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PPG Industries Inc – ‘10-K’ for 12/31/17 – ‘EX-101.LAB’

On:  Thursday, 2/15/18, at 4:30pm ET   ·   For:  12/31/17   ·   Accession #:  79879-18-10   ·   File #:  1-01687

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  As Of               Filer                 Filing    For·On·As Docs:Size

 2/15/18  PPG Industries Inc                10-K       12/31/17  122:19M

Annual Report   —   Form 10-K   —   Sect. 13 / 15(d) – SEA’34
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-K        Annual Report                                       HTML   1.29M 
 2: EX-10.30    Material Contract                                   HTML     63K 
 4: EX-13.1     Annual or Quarterly Report to Security Holders      HTML     48K 
 5: EX-13.2     Annual or Quarterly Report to Security Holders      HTML     53K 
 6: EX-21       Subsidiaries List                                   HTML     93K 
 7: EX-23       Consent of Experts or Counsel                       HTML     34K 
 8: EX-24       Power of Attorney                                   HTML     53K 
 3: EX-12       Statement re: Computation of Ratios                 HTML     54K 
 9: EX-31.1     Certification -- §302 - SOA'02                      HTML     41K 
10: EX-31.2     Certification -- §302 - SOA'02                      HTML     41K 
11: EX-32.1     Certification -- §906 - SOA'02                      HTML     35K 
12: EX-32.2     Certification -- §906 - SOA'02                      HTML     35K 
19: R1          Document and Entity Information                     HTML     63K 
20: R2          Consolidated Statement of Income                    HTML    128K 
21: R3          Consolidated Statement of Comprehensive Income      HTML     63K 
22: R4          Consolidated Balance Sheet                          HTML    137K 
23: R5          Consolidated Statement of Shareholders' Equity      HTML     82K 
24: R6          Consolidated Statement of Cash Flows                HTML    186K 
25: R7          Summary of Significant Accounting Policies          HTML     87K 
26: R8          Acquisitions and Dispositions                       HTML     92K 
27: R9          Working Capital Detail                              HTML     74K 
28: R10         Property, Plant and Equipment                       HTML     59K 
29: R11         Investments                                         HTML     49K 
30: R12         Goodwill and Other Identifiable Intangible Assets   HTML    101K 
31: R13         Business Restructuring                              HTML     73K 
32: R14         Borrowings and Lines of Credit                      HTML    116K 
33: R15         Financial Instruments, Hedging Activities and Fair  HTML    198K 
                Value Measurements                                               
34: R16         Earnings Per Common Share                           HTML     79K 
35: R17         Income Taxes                                        HTML    194K 
36: R18         Employee Benefit Plans                              HTML    425K 
37: R19         Commitments and Contingent Liabilities              HTML    134K 
38: R20         Shareholders' Equity                                HTML     68K 
39: R21         Accumulated Other Comprehensive Loss                HTML    104K 
40: R22         Other Income                                        HTML     55K 
41: R23         Stock-Based Compensation                            HTML    133K 
42: R24         Quarterly Financial Information (Unaudited)         HTML    118K 
43: R25         Reportable Business Segment Information             HTML    280K 
44: R26         Schedule II - Valuation and Qualifying Accounts     HTML     50K 
45: R27         Summary of Significant Accounting Policies          HTML    152K 
                (Policies)                                                       
46: R28         Summary of Significant Accounting Policies          HTML     47K 
                (Tables)                                                         
47: R29         Acquisitions and Dispositions (Tables)              HTML     83K 
48: R30         Working Capital Detail (Tables)                     HTML     75K 
49: R31         Property, Plant and Equipment (Tables)              HTML     58K 
50: R32         Investments (Tables)                                HTML     44K 
51: R33         Goodwill and Other Identifiable Intangible Assets   HTML    100K 
                (Tables)                                                         
52: R34         Business Restructuring (Tables)                     HTML     71K 
53: R35         Borrowings and Lines of Credit (Tables)             HTML     98K 
54: R36         Financial Instruments, Hedging Activities and Fair  HTML    175K 
                Value Measurements (Tables)                                      
55: R37         Earnings Per Common Share (Tables)                  HTML     76K 
56: R38         Income Taxes (Tables)                               HTML    186K 
57: R39         Employee Benefit Plans (Tables)                     HTML    395K 
58: R40         Commitments and Contingent Liabilities (Tables)     HTML    102K 
59: R41         Shareholders' Equity (Tables)                       HTML     60K 
60: R42         Accumulated Other Comprehensive Loss (Tables)       HTML    101K 
61: R43         Other Income (Tables)                               HTML     55K 
62: R44         Stock-Based Compensation (Tables)                   HTML    128K 
63: R45         Quarterly Financial Information (Tables)            HTML    117K 
64: R46         Reportable Business Segment Information (Tables)    HTML    270K 
65: R47         Summary of Significant Accounting Policies          HTML     56K 
                (Additional Information) (Detail)                                
66: R48         Acquisitions and Dispositions (Acquistions)         HTML     55K 
                (Detail)                                                         
67: R49         Acquisitions and Dispositions (Summary of Purchase  HTML     62K 
                Price Allocations) (Details)                                     
68: R50         Acquisitions and Dispositions Divestitures          HTML    129K 
                (Details)                                                        
69: R51         Working Capital Detail (Detail)                     HTML     74K 
70: R52         Working Capital Detail (Additional Information)     HTML     41K 
                (Detail)                                                         
71: R53         Property, Plant and Equipment (Detail)              HTML     70K 
72: R54         Investments (Detail)                                HTML     43K 
73: R55         Investments (Additional Information) (Detail)       HTML     46K 
74: R56         Goodwill and Other Identifiable Intangible Assets   HTML     48K 
                (Carrying Amount of Goodwill Attributable to Each                
                Reportable Segment) (Detail)                                     
75: R57         Goodwill and Other Identifiable Intangible Assets   HTML     71K 
                (Identifiable Intangible Assets with Finite Lives)               
                (Detail)                                                         
76: R58         Business Restructuring (Additional Information)     HTML     80K 
                (Detail)                                                         
77: R59         Borrowings and Lines of Credit (Long-term Debt      HTML    117K 
                Obligations) (Details)                                           
78: R60         Borrowings and Lines of Credit (Long-term Debt      HTML     50K 
                Maturities) (Details)                                            
79: R61         Borrowings and Lines of Credit (Short-term Debt     HTML     43K 
                Outstanding) (Detail)                                            
80: R62         Borrowings and Lines of Credit (Minimum Lease)      HTML     50K 
                (Details)                                                        
81: R63         Borrowings and Lines of Credit (Additional          HTML    128K 
                Information) (Details)                                           
82: R64         Financial Instruments, Hedging Activities and Fair  HTML     71K 
                Value Measurements (Additional Information)                      
                (Detail)                                                         
83: R65         Financial Instruments, Hedging Activities and Fair  HTML     72K 
                Value Measurements (Fair Value, Cash Flow and Net                
                Investment Hedges) (Detail)                                      
84: R66         Financial Instruments, Hedging Activities and Fair  HTML     65K 
                Value Measurements (Assets and Liabilities                       
                Reported at Fair Value on a Recurring Basis)                     
                (Detail)                                                         
85: R67         Financial Instruments, Hedging Activities and Fair  HTML     50K 
                Value Measurements (Fair Value Additional                        
                Information) (Detail)                                            
86: R68         Earnings Per Common Share (Calculations) (Detail)   HTML    100K 
87: R69         Income Taxes (Additional Information) (Detail)      HTML     89K 
88: R70         Income Taxes (Components of Income Tax Expense)     HTML     64K 
                (Detail)                                                         
89: R71         Income Taxes (Reconciliation of Statutory U.S.      HTML     68K 
                Corporate Federal Income Tax Rate to Effective                   
                Income Tax Rate) (Detail)                                        
90: R72         Income Taxes (Net Deferred Income Tax Assets and    HTML    103K 
                Liabilities) (Detail)                                            
91: R73         Income Taxes (Unrecognized Tax Benefits) (Detail)   HTML     58K 
92: R74         Employee Benefit Plans (Additional Information)     HTML    275K 
                (Detail)                                                         
93: R75         Employee Benefit Plans (Changes in Projected        HTML    125K 
                Benefit Obligations, Plan Assets and Funded                      
                Status) (Detail)                                                 
94: R76         Employee Benefit Plans (Accumulated Other           HTML     48K 
                Comprehensive Loss Pretax Amounts Not Yet                        
                Reflected in Net Periodic Benefit Cost) (Details)                
95: R77         Employee Benefit Plans (Change in Accumulated       HTML     67K 
                Other Comprehensive Loss (Pretax) Relating to                    
                Defined Benefit Pension and Other Postretirement                 
                Benefits) (Detail)                                               
96: R78         Employee Benefit Plans (Net Periodic Benefit        HTML     63K 
                Costs) (Detail)                                                  
97: R79         Employee Benefit Plans (Weighted Average            HTML     51K 
                Assumptions Used to Determine Benefit Obligation                 
                for Defined Benefit Pension and Other                            
                Postretirement Plans) (Detail)                                   
98: R80         Employee Benefit Plans (Weighted Average            HTML     50K 
                Assumptions Used to Determine Net Periodic Benefit               
                Cost for Defined Benefit Pension and Other                       
                Postretirement Plans) (Detail)                                   
99: R81         Employee Benefit Plans (Effect of One Percentage    HTML     43K 
                Point Increase or Decrease in Health Care Cost                   
                Trend Rates) (Detail)                                            
100: R82         Employee Benefit Plans (Weighted Average Target     HTML     48K  
                Pension Plan Asset Allocations) (Detail)                         
101: R83         Employee Benefit Plans (Fair Values of the          HTML     98K  
                Company's Pension Plan Assets by Asset Category)                 
                (Detail)                                                         
102: R84         Employee Benefit Plans (Change in Fair Value of     HTML     62K  
                Company's Level 3 Pension Assets) (Detail)                       
103: R85         Employee Benefit Plans (Employee Savings Plan)      HTML     43K  
                (Details)                                                        
104: R86         Commitments and Contingent Liabilities (Litigation  HTML    100K  
                Settlements Disclosure) (Detail)                                 
105: R87         Commitments and Contingent Liabilities (Additional  HTML     91K  
                Information) (Detail)                                            
106: R88         Shareholders' Equity (Summary of Shares             HTML     60K  
                Outstanding) (Detail)                                            
107: R89         Accumulated Other Comprehensive Loss (Detail)       HTML     71K  
108: R90         Accumulated Other Comprehensive Loss (Additional    HTML     44K  
                Information) (Detail)                                            
109: R91         Other Income (Detail)                               HTML     50K  
110: R92         Stock-Based Compensation (Additional Information)   HTML     91K  
                (Detail)                                                         
111: R93         Stock-Based Compensation (Weighted Average          HTML     47K  
                Assumptions Used in Calculating Fair Value of                    
                Stock Option) (Details)                                          
112: R94         Stock-Based Compensation (Stock Options             HTML     86K  
                Outstanding, Exercisable and Activity) (Detail)                  
113: R95         Stock-Based Compensation (Stock Option Activity)    HTML     44K  
                (Details)                                                        
114: R96         Stock-Based Compensation (RSU Activity) (Details)   HTML     72K  
115: R97         Quarterly Financial Information (Unaudited)         HTML     81K  
                (Detail)                                                         
116: R98         Reportable Business Segment Information             HTML     40K  
                (Reportable Segment Information) (Detail)                        
117: R99         Reportable Business Segment Information Reportable  HTML    130K  
                Segment Tables (Detail)                                          
118: R100        Reportable Business Segment Information             HTML     62K  
                (Geographic Information) (Detail)                                
119: R101        Schedule II - Valuation and Qualifying Accounts     HTML     44K  
                (Detail)                                                         
121: XML         IDEA XML File -- Filing Summary                      XML    228K  
120: EXCEL       IDEA Workbook of Financial Reports                  XLSX    163K  
13: EX-101.INS  XBRL Instance -- ppg-20171231                        XML   6.39M 
15: EX-101.CAL  XBRL Calculations -- ppg-20171231_cal                XML    367K 
16: EX-101.DEF  XBRL Definitions -- ppg-20171231_def                 XML   1.32M 
17: EX-101.LAB  XBRL Labels -- ppg-20171231_lab                      XML   3.11M 
18: EX-101.PRE  XBRL Presentations -- ppg-20171231_pre               XML   1.91M 
14: EX-101.SCH  XBRL Schema -- ppg-20171231                          XSD    308K 
122: ZIP         XBRL Zipped Folder -- 0000079879-18-000010-xbrl      Zip    496K

‘EX-101.LAB’   —   XBRL Labels — ppg-20171231_lab

This Exhibit is an XBRL XML File.

                                                                                                                                                                                
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<link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_5BD616A6D41455BF20E2952DE600BDAD_terseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_5BD616A6D41455BF20E2952DE600BDAD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Weighted average common shares outstanding </link:label>
<link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_5BD616A6D41455BF20E2952DE600BDAD_label_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_5BD616A6D41455BF20E2952DE600BDAD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Weighted Average Number of Shares Outstanding, Basic </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_5BD616A6D41455BF20E2952DE600BDAD" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_5BD616A6D41455BF20E2952DE600BDAD" xlink:to="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_5BD616A6D41455BF20E2952DE600BDAD" xlink:type="arc"/>
<link:label id="lab_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract_5CB2D5D75CCF48193079952DE600136C_terseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract_5CB2D5D75CCF48193079952DE600136C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Effect of dilutive securities: </link:label>
<link:label id="lab_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract_5CB2D5D75CCF48193079952DE600136C_label_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract_5CB2D5D75CCF48193079952DE600136C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Incremental Weighted Average Shares Attributable to Dilutive Effect [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract" xlink:label="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract_5CB2D5D75CCF48193079952DE600136C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract_5CB2D5D75CCF48193079952DE600136C" xlink:to="lab_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract_5CB2D5D75CCF48193079952DE600136C" xlink:type="arc"/>
<link:label id="lab_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_434A697D9F8CFAA01C9F952DE600A88B_terseLabel_en-US" xlink:label="lab_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_434A697D9F8CFAA01C9F952DE600A88B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stock options </link:label>
<link:label id="lab_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_434A697D9F8CFAA01C9F952DE600A88B_label_en-US" xlink:label="lab_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_434A697D9F8CFAA01C9F952DE600A88B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_434A697D9F8CFAA01C9F952DE600A88B" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_434A697D9F8CFAA01C9F952DE600A88B" xlink:to="lab_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_434A697D9F8CFAA01C9F952DE600A88B" xlink:type="arc"/>
<link:label id="lab_ppg_IncrementalCommonSharesAttributableToOtherStockCompensationPlans_A1CD3EC348C9415042A0952DE60006DB_terseLabel_en-US" xlink:label="lab_ppg_IncrementalCommonSharesAttributableToOtherStockCompensationPlans_A1CD3EC348C9415042A0952DE60006DB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other stock compensation plans </link:label>
<link:label id="lab_ppg_IncrementalCommonSharesAttributableToOtherStockCompensationPlans_A1CD3EC348C9415042A0952DE60006DB_label_en-US" xlink:label="lab_ppg_IncrementalCommonSharesAttributableToOtherStockCompensationPlans_A1CD3EC348C9415042A0952DE60006DB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Incremental Common Shares Attributable To Other Stock Compensation Plans </link:label>
<link:label id="lab_ppg_IncrementalCommonSharesAttributableToOtherStockCompensationPlans_A1CD3EC348C9415042A0952DE60006DB_documentation_en-US" xlink:label="lab_ppg_IncrementalCommonSharesAttributableToOtherStockCompensationPlans_A1CD3EC348C9415042A0952DE60006DB" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Incremental Common Shares Attributable To Other Stock Compensation Plans </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_IncrementalCommonSharesAttributableToOtherStockCompensationPlans" xlink:label="loc_ppg_IncrementalCommonSharesAttributableToOtherStockCompensationPlans_A1CD3EC348C9415042A0952DE60006DB" xlink:type="locator"/>
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<link:label id="lab_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_05C0357EE40C50DD3339952DE6003A8C_totalLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_05C0357EE40C50DD3339952DE6003A8C" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Potentially dilutive common shares </link:label>
<link:label id="lab_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_05C0357EE40C50DD3339952DE6003A8C_label_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_05C0357EE40C50DD3339952DE6003A8C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Weighted Average Number Diluted Shares Outstanding Adjustment </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment" xlink:label="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_05C0357EE40C50DD3339952DE6003A8C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_05C0357EE40C50DD3339952DE6003A8C" xlink:to="lab_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_05C0357EE40C50DD3339952DE6003A8C" xlink:type="arc"/>
<link:label id="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_185657A907B55717AB18952DE6001126_totalLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_185657A907B55717AB18952DE6001126" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Adjusted weighted average common shares outstanding </link:label>
<link:label id="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_185657A907B55717AB18952DE6001126_label_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_185657A907B55717AB18952DE6001126" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Weighted Average Number of Shares Outstanding, Diluted </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_185657A907B55717AB18952DE6001126" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_185657A907B55717AB18952DE6001126" xlink:to="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_185657A907B55717AB18952DE6001126" xlink:type="arc"/>
<link:label id="lab_us-gaap_EarningsPerShareBasicOtherDisclosuresAbstract_C71D10AB12865988C623952DE600798C_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareBasicOtherDisclosuresAbstract_C71D10AB12865988C623952DE600798C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Earnings per common share (attributable to PPG): </link:label>
<link:label id="lab_us-gaap_EarningsPerShareBasicOtherDisclosuresAbstract_C71D10AB12865988C623952DE600798C_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareBasicOtherDisclosuresAbstract_C71D10AB12865988C623952DE600798C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Earnings Per Share, Basic, Other Disclosures [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EarningsPerShareBasicOtherDisclosuresAbstract" xlink:label="loc_us-gaap_EarningsPerShareBasicOtherDisclosuresAbstract_C71D10AB12865988C623952DE600798C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareBasicOtherDisclosuresAbstract_C71D10AB12865988C623952DE600798C" xlink:to="lab_us-gaap_EarningsPerShareBasicOtherDisclosuresAbstract_C71D10AB12865988C623952DE600798C" xlink:type="arc"/>
<link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_555F6E3CDF28ED230B32952DE60090B9_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_555F6E3CDF28ED230B32952DE60090B9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Continuing operations (in dollars per share) </link:label>
<link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_555F6E3CDF28ED230B32952DE60090B9_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_555F6E3CDF28ED230B32952DE60090B9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income (Loss) from Continuing Operations, Per Basic Share </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsPerBasicShare" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_555F6E3CDF28ED230B32952DE60090B9" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare_AFFF0955782F5859F92F952DE6012C9C_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare_AFFF0955782F5859F92F952DE6012C9C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Discontinued operations (in dollars per share) </link:label>
<link:label id="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare_AFFF0955782F5859F92F952DE6012C9C_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare_AFFF0955782F5859F92F952DE6012C9C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare_AFFF0955782F5859F92F952DE6012C9C" xlink:type="locator"/>
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<link:label id="lab_us-gaap_EarningsPerShareBasic_C3E231D6993D5CCB1990952DE601A100_verboseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareBasic_C3E231D6993D5CCB1990952DE601A100" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Net Income (attributable to PPG) (in dollars per share) </link:label>
<link:label id="lab_us-gaap_EarningsPerShareBasic_C3E231D6993D5CCB1990952DE601A100_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareBasic_C3E231D6993D5CCB1990952DE601A100" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Earnings Per Share, Basic </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="loc_us-gaap_EarningsPerShareBasic_C3E231D6993D5CCB1990952DE601A100" xlink:type="locator"/>
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<link:label id="lab_us-gaap_EarningsPerShareDilutedAbstract_19F1F246A2E19D5CE77D952DE601BA19_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareDilutedAbstract_19F1F246A2E19D5CE77D952DE601BA19" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Earnings per common share - assuming dilution (attributable to PPG) </link:label>
<link:label id="lab_us-gaap_EarningsPerShareDilutedAbstract_19F1F246A2E19D5CE77D952DE601BA19_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareDilutedAbstract_19F1F246A2E19D5CE77D952DE601BA19" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Earnings Per Share, Diluted [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EarningsPerShareDilutedAbstract" xlink:label="loc_us-gaap_EarningsPerShareDilutedAbstract_19F1F246A2E19D5CE77D952DE601BA19" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_8AF5E981F040F0388E9C952DE601DFFC_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_8AF5E981F040F0388E9C952DE601DFFC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Continuing operations (in dollars per share) </link:label>
<link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_8AF5E981F040F0388E9C952DE601DFFC_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_8AF5E981F040F0388E9C952DE601DFFC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income (Loss) from Continuing Operations, Per Diluted Share </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_8AF5E981F040F0388E9C952DE601DFFC" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare_A785E05DABC321E9DFD0952DE6012E1D_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare_A785E05DABC321E9DFD0952DE6012E1D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Discontinued operations (in dollars per share) </link:label>
<link:label id="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare_A785E05DABC321E9DFD0952DE6012E1D_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare_A785E05DABC321E9DFD0952DE6012E1D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare_A785E05DABC321E9DFD0952DE6012E1D" xlink:type="locator"/>
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<link:label id="lab_us-gaap_EarningsPerShareDiluted_193ED5D11DE36B67A31D952DE601D108_verboseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareDiluted_193ED5D11DE36B67A31D952DE601D108" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Net Income (attributable to PPG) (in dollars per share) </link:label>
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<link:label id="lab_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax_00FB0D0D021CF114C62D94FEF3B47F6A_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax_00FB0D0D021CF114C62D94FEF3B47F6A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Unrealized (losses)/gains – derivative financial instruments </link:label>
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<link:label id="lab_ppg_RealEstateAndOtherMember_76EFB11B81099824487C8F8A3841F3A5_terseLabel_en-US" xlink:label="lab_ppg_RealEstateAndOtherMember_76EFB11B81099824487C8F8A3841F3A5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Real Estate And Other </link:label>
<link:label id="lab_ppg_RealEstateAndOtherMember_76EFB11B81099824487C8F8A3841F3A5_label_en-US" xlink:label="lab_ppg_RealEstateAndOtherMember_76EFB11B81099824487C8F8A3841F3A5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Real Estate And Other [Member] </link:label>
<link:label id="lab_ppg_RealEstateAndOtherMember_76EFB11B81099824487C8F8A3841F3A5_documentation_en-US" xlink:label="lab_ppg_RealEstateAndOtherMember_76EFB11B81099824487C8F8A3841F3A5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Real Estate And Other [Member] </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_RealEstateAndOtherMember" xlink:label="loc_ppg_RealEstateAndOtherMember_76EFB11B81099824487C8F8A3841F3A5" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ppg_RealEstateAndOtherMember_76EFB11B81099824487C8F8A3841F3A5" xlink:to="lab_ppg_RealEstateAndOtherMember_76EFB11B81099824487C8F8A3841F3A5" xlink:type="arc"/>
<link:label id="lab_us-gaap_DomesticCountryMember_9ED85FBB3BBEE123CC9E8F8A3841D993_terseLabel_en-US" xlink:label="lab_us-gaap_DomesticCountryMember_9ED85FBB3BBEE123CC9E8F8A3841D993" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> U.S. </link:label>
<link:label id="lab_us-gaap_DomesticCountryMember_9ED85FBB3BBEE123CC9E8F8A3841D993_label_en-US" xlink:label="lab_us-gaap_DomesticCountryMember_9ED85FBB3BBEE123CC9E8F8A3841D993" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Domestic Tax Authority [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DomesticCountryMember" xlink:label="loc_us-gaap_DomesticCountryMember_9ED85FBB3BBEE123CC9E8F8A3841D993" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DomesticCountryMember_9ED85FBB3BBEE123CC9E8F8A3841D993" xlink:to="lab_us-gaap_DomesticCountryMember_9ED85FBB3BBEE123CC9E8F8A3841D993" xlink:type="arc"/>
<link:label id="lab_us-gaap_ForeignCountryMember_FD3EC94CAD7E877161098F8A38417B9C_terseLabel_en-US" xlink:label="lab_us-gaap_ForeignCountryMember_FD3EC94CAD7E877161098F8A38417B9C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Developed Markets </link:label>
<link:label id="lab_us-gaap_ForeignCountryMember_FD3EC94CAD7E877161098F8A38417B9C_label_en-US" xlink:label="lab_us-gaap_ForeignCountryMember_FD3EC94CAD7E877161098F8A38417B9C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Foreign Tax Authority [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ForeignCountryMember" xlink:label="loc_us-gaap_ForeignCountryMember_FD3EC94CAD7E877161098F8A38417B9C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ForeignCountryMember_FD3EC94CAD7E877161098F8A38417B9C" xlink:to="lab_us-gaap_ForeignCountryMember_FD3EC94CAD7E877161098F8A38417B9C" xlink:type="arc"/>
<link:label id="lab_us-gaap_MoneyMarketFundsMember_CF51E82E85671CE6A0D08F8A3841F485_terseLabel_en-US" xlink:label="lab_us-gaap_MoneyMarketFundsMember_CF51E82E85671CE6A0D08F8A3841F485" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash and cash equivalents </link:label>
<link:label id="lab_us-gaap_MoneyMarketFundsMember_CF51E82E85671CE6A0D08F8A3841F485_label_en-US" xlink:label="lab_us-gaap_MoneyMarketFundsMember_CF51E82E85671CE6A0D08F8A3841F485" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Money Market Funds [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MoneyMarketFundsMember" xlink:label="loc_us-gaap_MoneyMarketFundsMember_CF51E82E85671CE6A0D08F8A3841F485" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MoneyMarketFundsMember_CF51E82E85671CE6A0D08F8A3841F485" xlink:to="lab_us-gaap_MoneyMarketFundsMember_CF51E82E85671CE6A0D08F8A3841F485" xlink:type="arc"/>
<link:label id="lab_us-gaap_CorporateDebtSecuritiesMember_8573074D5447FA4ACED18F8A3841FD94_terseLabel_en-US" xlink:label="lab_us-gaap_CorporateDebtSecuritiesMember_8573074D5447FA4ACED18F8A3841FD94" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Corporate </link:label>
<link:label id="lab_us-gaap_CorporateDebtSecuritiesMember_8573074D5447FA4ACED18F8A3841FD94_label_en-US" xlink:label="lab_us-gaap_CorporateDebtSecuritiesMember_8573074D5447FA4ACED18F8A3841FD94" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Corporate Debt Securities [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CorporateDebtSecuritiesMember" xlink:label="loc_us-gaap_CorporateDebtSecuritiesMember_8573074D5447FA4ACED18F8A3841FD94" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CorporateDebtSecuritiesMember_8573074D5447FA4ACED18F8A3841FD94" xlink:to="lab_us-gaap_CorporateDebtSecuritiesMember_8573074D5447FA4ACED18F8A3841FD94" xlink:type="arc"/>
<link:label id="lab_ppg_DiversifiedAssetsPortfolioMember_8E132876C63F99ADED478F8A3841BE07_terseLabel_en-US" xlink:label="lab_ppg_DiversifiedAssetsPortfolioMember_8E132876C63F99ADED478F8A3841BE07" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Diversified </link:label>
<link:label id="lab_ppg_DiversifiedAssetsPortfolioMember_8E132876C63F99ADED478F8A3841BE07_label_en-US" xlink:label="lab_ppg_DiversifiedAssetsPortfolioMember_8E132876C63F99ADED478F8A3841BE07" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Diversified Assets Portfolio [Member] </link:label>
<link:label id="lab_ppg_DiversifiedAssetsPortfolioMember_8E132876C63F99ADED478F8A3841BE07_documentation_en-US" xlink:label="lab_ppg_DiversifiedAssetsPortfolioMember_8E132876C63F99ADED478F8A3841BE07" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Diversified Assets Portfolio [Member] </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_DiversifiedAssetsPortfolioMember" xlink:label="loc_ppg_DiversifiedAssetsPortfolioMember_8E132876C63F99ADED478F8A3841BE07" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ppg_DiversifiedAssetsPortfolioMember_8E132876C63F99ADED478F8A3841BE07" xlink:to="lab_ppg_DiversifiedAssetsPortfolioMember_8E132876C63F99ADED478F8A3841BE07" xlink:type="arc"/>
<link:label id="lab_us-gaap_GovernmentMember_059EF21754F7E44BBA668F8A3841CDDE_terseLabel_en-US" xlink:label="lab_us-gaap_GovernmentMember_059EF21754F7E44BBA668F8A3841CDDE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Government </link:label>
<link:label id="lab_us-gaap_GovernmentMember_059EF21754F7E44BBA668F8A3841CDDE_label_en-US" xlink:label="lab_us-gaap_GovernmentMember_059EF21754F7E44BBA668F8A3841CDDE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Government [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GovernmentMember" xlink:label="loc_us-gaap_GovernmentMember_059EF21754F7E44BBA668F8A3841CDDE" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GovernmentMember_059EF21754F7E44BBA668F8A3841CDDE" xlink:to="lab_us-gaap_GovernmentMember_059EF21754F7E44BBA668F8A3841CDDE" xlink:type="arc"/>
<link:label id="lab_us-gaap_OtherDebtSecuritiesMember_FE416842BD3307DCD77D8F8A3841DB24_terseLabel_en-US" xlink:label="lab_us-gaap_OtherDebtSecuritiesMember_FE416842BD3307DCD77D8F8A3841DB24" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other Debt Securities </link:label>
<link:label id="lab_us-gaap_OtherDebtSecuritiesMember_FE416842BD3307DCD77D8F8A3841DB24_label_en-US" xlink:label="lab_us-gaap_OtherDebtSecuritiesMember_FE416842BD3307DCD77D8F8A3841DB24" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Debt Obligations [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherDebtSecuritiesMember" xlink:label="loc_us-gaap_OtherDebtSecuritiesMember_FE416842BD3307DCD77D8F8A3841DB24" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherDebtSecuritiesMember_FE416842BD3307DCD77D8F8A3841DB24" xlink:to="lab_us-gaap_OtherDebtSecuritiesMember_FE416842BD3307DCD77D8F8A3841DB24" xlink:type="arc"/>
<link:label id="lab_ppg_RegionReportingInformationByRegionAxis_5D62BA3E2868BA76DA628F8A3841EF8F_terseLabel_en-US" xlink:label="lab_ppg_RegionReportingInformationByRegionAxis_5D62BA3E2868BA76DA628F8A3841EF8F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Region Reporting Information, by Region [Axis] </link:label>
<link:label id="lab_ppg_RegionReportingInformationByRegionAxis_5D62BA3E2868BA76DA628F8A3841EF8F_label_en-US" xlink:label="lab_ppg_RegionReportingInformationByRegionAxis_5D62BA3E2868BA76DA628F8A3841EF8F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Region Reporting Information By Region [Axis] </link:label>
<link:label id="lab_ppg_RegionReportingInformationByRegionAxis_5D62BA3E2868BA76DA628F8A3841EF8F_documentation_en-US" xlink:label="lab_ppg_RegionReportingInformationByRegionAxis_5D62BA3E2868BA76DA628F8A3841EF8F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Disclosure of profit or loss, total assets for each reportable region, and a description of the types of products and services for each reportable region. </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_RegionReportingInformationByRegionAxis" xlink:label="loc_ppg_RegionReportingInformationByRegionAxis_5D62BA3E2868BA76DA628F8A3841EF8F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ppg_RegionReportingInformationByRegionAxis_5D62BA3E2868BA76DA628F8A3841EF8F" xlink:to="lab_ppg_RegionReportingInformationByRegionAxis_5D62BA3E2868BA76DA628F8A3841EF8F" xlink:type="arc"/>
<link:label id="lab_ppg_ReportingRegionDomain_1BC0BE771BCD96FE67C18F8A384140D6_terseLabel_en-US" xlink:label="lab_ppg_ReportingRegionDomain_1BC0BE771BCD96FE67C18F8A384140D6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Reporting Region [Domain] </link:label>
<link:label id="lab_ppg_ReportingRegionDomain_1BC0BE771BCD96FE67C18F8A384140D6_label_en-US" xlink:label="lab_ppg_ReportingRegionDomain_1BC0BE771BCD96FE67C18F8A384140D6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Reporting Region [Domain] </link:label>
<link:label id="lab_ppg_ReportingRegionDomain_1BC0BE771BCD96FE67C18F8A384140D6_documentation_en-US" xlink:label="lab_ppg_ReportingRegionDomain_1BC0BE771BCD96FE67C18F8A384140D6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> A regional component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_ReportingRegionDomain" xlink:label="loc_ppg_ReportingRegionDomain_1BC0BE771BCD96FE67C18F8A384140D6" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ppg_ReportingRegionDomain_1BC0BE771BCD96FE67C18F8A384140D6" xlink:to="lab_ppg_ReportingRegionDomain_1BC0BE771BCD96FE67C18F8A384140D6" xlink:type="arc"/>
<link:label id="lab_ppg_USLargeCapMember_D434D76B3B20FC72CB388F8A38414EB6_terseLabel_en-US" xlink:label="lab_ppg_USLargeCapMember_D434D76B3B20FC72CB388F8A38414EB6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> US Large Cap </link:label>
<link:label id="lab_ppg_USLargeCapMember_D434D76B3B20FC72CB388F8A38414EB6_label_en-US" xlink:label="lab_ppg_USLargeCapMember_D434D76B3B20FC72CB388F8A38414EB6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> U S Large Cap [Member] </link:label>
<link:label id="lab_ppg_USLargeCapMember_D434D76B3B20FC72CB388F8A38414EB6_documentation_en-US" xlink:label="lab_ppg_USLargeCapMember_D434D76B3B20FC72CB388F8A38414EB6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> US Large Cap [Member] </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_USLargeCapMember" xlink:label="loc_ppg_USLargeCapMember_D434D76B3B20FC72CB388F8A38414EB6" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ppg_USLargeCapMember_D434D76B3B20FC72CB388F8A38414EB6" xlink:to="lab_ppg_USLargeCapMember_D434D76B3B20FC72CB388F8A38414EB6" xlink:type="arc"/>
<link:label id="lab_ppg_USSmallCapMember_8A865A2100F0B0E52CDA8F8A3841F23F_terseLabel_en-US" xlink:label="lab_ppg_USSmallCapMember_8A865A2100F0B0E52CDA8F8A3841F23F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> US Small Cap </link:label>
<link:label id="lab_ppg_USSmallCapMember_8A865A2100F0B0E52CDA8F8A3841F23F_label_en-US" xlink:label="lab_ppg_USSmallCapMember_8A865A2100F0B0E52CDA8F8A3841F23F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> U S Small Cap [Member] </link:label>
<link:label id="lab_ppg_USSmallCapMember_8A865A2100F0B0E52CDA8F8A3841F23F_documentation_en-US" xlink:label="lab_ppg_USSmallCapMember_8A865A2100F0B0E52CDA8F8A3841F23F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> US Small Cap [Member] </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_USSmallCapMember" xlink:label="loc_ppg_USSmallCapMember_8A865A2100F0B0E52CDA8F8A3841F23F" xlink:type="locator"/>
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<link:label id="lab_us-gaap_TreasuryStockMember_FABA08D2167C3A3198FA8F8A3841062E_terseLabel_en-US" xlink:label="lab_us-gaap_TreasuryStockMember_FABA08D2167C3A3198FA8F8A3841062E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Treasury Stock </link:label>
<link:label id="lab_us-gaap_TreasuryStockMember_FABA08D2167C3A3198FA8F8A3841062E_label_en-US" xlink:label="lab_us-gaap_TreasuryStockMember_FABA08D2167C3A3198FA8F8A3841062E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Treasury Stock [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_TreasuryStockMember" xlink:label="loc_us-gaap_TreasuryStockMember_FABA08D2167C3A3198FA8F8A3841062E" xlink:type="locator"/>
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<link:label id="lab_ppg_DevelopedMarketsMember_B38102C653101D9B88738F8A3841C626_terseLabel_en-US" xlink:label="lab_ppg_DevelopedMarketsMember_B38102C653101D9B88738F8A3841C626" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Developed Markets </link:label>
<link:label id="lab_ppg_DevelopedMarketsMember_B38102C653101D9B88738F8A3841C626_label_en-US" xlink:label="lab_ppg_DevelopedMarketsMember_B38102C653101D9B88738F8A3841C626" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Developed Markets [Member] </link:label>
<link:label id="lab_ppg_DevelopedMarketsMember_B38102C653101D9B88738F8A3841C626_documentation_en-US" xlink:label="lab_ppg_DevelopedMarketsMember_B38102C653101D9B88738F8A3841C626" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Developed Markets [Member] </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_DevelopedMarketsMember" xlink:label="loc_ppg_DevelopedMarketsMember_B38102C653101D9B88738F8A3841C626" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ppg_DevelopedMarketsMember_B38102C653101D9B88738F8A3841C626" xlink:to="lab_ppg_DevelopedMarketsMember_B38102C653101D9B88738F8A3841C626" xlink:type="arc"/>
<link:label id="lab_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_2483FAF0624071B0BA608F8A3841B706_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_2483FAF0624071B0BA608F8A3841B706" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fair values of pension plan assets </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_2483FAF0624071B0BA608F8A3841B706_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_2483FAF0624071B0BA608F8A3841B706" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Fair Value of Plan Assets </link:label>
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<link:label id="lab_ppg_ShareholdersEquityNoteTable_222B09824AB998329A5A66C2ACE135F2_terseLabel_en-US" xlink:label="lab_ppg_ShareholdersEquityNoteTable_222B09824AB998329A5A66C2ACE135F2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Shareholders' Equity Note [Table] </link:label>
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<link:label id="lab_us-gaap_StatementClassOfStockAxis_E781BDD2BF206FD3A85966C2ACE10948_label_en-US" xlink:label="lab_us-gaap_StatementClassOfStockAxis_E781BDD2BF206FD3A85966C2ACE10948" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Class of Stock [Axis] </link:label>
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<link:label id="lab_us-gaap_ClassOfStockDomain_426C0F24F8E154F8D6C366C2ACE1A649_label_en-US" xlink:label="lab_us-gaap_ClassOfStockDomain_426C0F24F8E154F8D6C366C2ACE1A649" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Class of Stock [Domain] </link:label>
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<link:label id="lab_us-gaap_CommonStockMember_61B7200B5BB27974F69A66C2ACE1BDEB_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockMember_61B7200B5BB27974F69A66C2ACE1BDEB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Common Stock </link:label>
<link:label id="lab_us-gaap_CommonStockMember_61B7200B5BB27974F69A66C2ACE1BDEB_label_en-US" xlink:label="lab_us-gaap_CommonStockMember_61B7200B5BB27974F69A66C2ACE1BDEB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Common Stock [Member] </link:label>
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<link:label id="lab_ppg_ShareholdersEquityNoteLineItems_136B13011AFD368E1D5866C2ACE25EF6_terseLabel_en-US" xlink:label="lab_ppg_ShareholdersEquityNoteLineItems_136B13011AFD368E1D5866C2ACE25EF6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Shareholders' Equity Note [Line Items] </link:label>
<link:label id="lab_ppg_ShareholdersEquityNoteLineItems_136B13011AFD368E1D5866C2ACE25EF6_label_en-US" xlink:label="lab_ppg_ShareholdersEquityNoteLineItems_136B13011AFD368E1D5866C2ACE25EF6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Shareholders' Equity Note [Line Items] </link:label>
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<link:loc xlink:href="ppg-20171231.xsd#ppg_ShareholdersEquityNoteLineItems" xlink:label="loc_ppg_ShareholdersEquityNoteLineItems_136B13011AFD368E1D5866C2ACE25EF6" xlink:type="locator"/>
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<link:label id="lab_us-gaap_CommonStockParOrStatedValuePerShare_A06C0FCF86B9E35FEAB9670097986D8E_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockParOrStatedValuePerShare_A06C0FCF86B9E35FEAB9670097986D8E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Common Stock, Par or Stated Value Per Share </link:label>
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<link:label id="lab_us-gaap_PreferredStockNoParValue_F0BBF8168CE46A40FCEB66C2ACE22C45_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockNoParValue_F0BBF8168CE46A40FCEB66C2ACE22C45" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Preferred stock without par value (in dollars per share) </link:label>
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<link:label id="lab_us-gaap_CommonStockSharesAuthorized_934ADF5F2343C7186C6B66C2ACE2878F_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockSharesAuthorized_934ADF5F2343C7186C6B66C2ACE2878F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Shares of common stock authorized </link:label>
<link:label id="lab_us-gaap_CommonStockSharesAuthorized_934ADF5F2343C7186C6B66C2ACE2878F_label_en-US" xlink:label="lab_us-gaap_CommonStockSharesAuthorized_934ADF5F2343C7186C6B66C2ACE2878F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Common Stock, Shares Authorized </link:label>
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<link:label id="lab_us-gaap_CommonStockDividendsPerShareCashPaid_53D62805D233D6AA076F66C2ACE21F01_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockDividendsPerShareCashPaid_53D62805D233D6AA076F66C2ACE21F01" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Per share cash dividends paid (in dollars per share) </link:label>
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<link:label id="lab_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_FA8F8BD1A456C2CC83A966C2ACE26E67_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_FA8F8BD1A456C2CC83A966C2ACE26E67" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Stockholders' Equity [Roll Forward] </link:label>
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<link:label id="lab_us-gaap_CommonStockSharesOutstanding_B7C69B882460D0B4C36166C2ACE2210B_negatedPeriodStartLabel_en-US" xlink:label="lab_us-gaap_CommonStockSharesOutstanding_B7C69B882460D0B4C36166C2ACE2210B" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:type="resource" xml:lang="en-US"> Beginning balance (in shares) </link:label>
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<link:label id="lab_us-gaap_StockRepurchasedDuringPeriodShares_77DDBBBE9A259D72BB9D66C2ACE25F06_negatedLabel_en-US" xlink:label="lab_us-gaap_StockRepurchasedDuringPeriodShares_77DDBBBE9A259D72BB9D66C2ACE25F06" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Purchases (in shares) </link:label>
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<link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesTreasuryStockReissued_9F0FF2B7A939B29AD18F66C2ACE2DDFC_terseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesTreasuryStockReissued_9F0FF2B7A939B29AD18F66C2ACE2DDFC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Issuances (in shares) </link:label>
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<link:label id="lab_us-gaap_CommonStockSharesOutstanding_0DF4BDF3A332111E58FD66C2ACE250A7_negatedPeriodEndLabel_en-US" xlink:label="lab_us-gaap_CommonStockSharesOutstanding_0DF4BDF3A332111E58FD66C2ACE250A7" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:type="resource" xml:lang="en-US"> Ending balance (in shares) </link:label>
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<link:label id="lab_us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_66BF91C185E1957BDFA02A2B718E283F_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_66BF91C185E1957BDFA02A2B718E283F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Components of Income Tax Expense </link:label>
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<link:label id="lab_us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_00828ED119880CE9121A2A2B718ECF2D_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_00828ED119880CE9121A2A2B718ECF2D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Reconciliation of Statutory U.S. Corporate Federal Income Tax Rate to Effective Income Tax Rate </link:label>
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<link:label id="lab_us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_F0F957BE70CA4743DD1D2A2B718E9FFD_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_F0F957BE70CA4743DD1D2A2B718E9FFD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net deferred income tax assets and liabilities </link:label>
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<link:label id="lab_us-gaap_AccountingPoliciesAbstract_5E3FF643973BEBBCA1BC2A2B6F0CECF2_label_en-US" xlink:label="lab_us-gaap_AccountingPoliciesAbstract_5E3FF643973BEBBCA1BC2A2B6F0CECF2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounting Policies [Abstract] </link:label>
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<link:label id="lab_ppg_SignificantAccountingPoliciesTable_AD2C176972E25964C0CD2A2B6F0C5FDE_terseLabel_en-US" xlink:label="lab_ppg_SignificantAccountingPoliciesTable_AD2C176972E25964C0CD2A2B6F0C5FDE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Significant Accounting Policies [Table] </link:label>
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<link:label id="lab_ppg_SignificantAccountingPoliciesLineItems_14CD8A7380F0C9351FBA2A2B6F0D54EB_terseLabel_en-US" xlink:label="lab_ppg_SignificantAccountingPoliciesLineItems_14CD8A7380F0C9351FBA2A2B6F0D54EB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Significant Accounting Policies [Line Items] </link:label>
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<link:label id="lab_us-gaap_AdvertisingExpense_9DCCC90A286A39213CD72A2B6F0DCBB1_terseLabel_en-US" xlink:label="lab_us-gaap_AdvertisingExpense_9DCCC90A286A39213CD72A2B6F0DCBB1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Advertising costs expensed </link:label>
<link:label id="lab_us-gaap_AdvertisingExpense_9DCCC90A286A39213CD72A2B6F0DCBB1_label_en-US" xlink:label="lab_us-gaap_AdvertisingExpense_9DCCC90A286A39213CD72A2B6F0DCBB1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Advertising Expense </link:label>
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<link:label id="lab_us-gaap_ResearchAndDevelopmentExpense_E1754E9153C07BA4B66B2A2B6F0DFFBB_label_en-US" xlink:label="lab_us-gaap_ResearchAndDevelopmentExpense_E1754E9153C07BA4B66B2A2B6F0DFFBB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Research and Development Expense </link:label>
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<link:label id="lab_us-gaap_DepreciationNonproduction_9265821E919A3EF0CD172A2B6F0DC4CB_label_en-US" xlink:label="lab_us-gaap_DepreciationNonproduction_9265821E919A3EF0CD172A2B6F0DC4CB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Depreciation, Nonproduction </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DepreciationNonproduction" xlink:label="loc_us-gaap_DepreciationNonproduction_9265821E919A3EF0CD172A2B6F0DC4CB" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost_48A54012FE380EE254AF2A2B6F0D6F58_terseLabel_en-US" xlink:label="lab_us-gaap_ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost_48A54012FE380EE254AF2A2B6F0D6F58" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Research and development, net </link:label>
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<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife_E5BA5B79308D63CA21072A2B6F0D1D46_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife_E5BA5B79308D63CA21072A2B6F0D1D46" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Identifiable intangible assets with finite lives estimated useful lives </link:label>
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<link:label id="lab_us-gaap_AssetRetirementObligation_8DDFFA62416B75C0EBA22A2B6F0D26A7_terseLabel_en-US" xlink:label="lab_us-gaap_AssetRetirementObligation_8DDFFA62416B75C0EBA22A2B6F0D26A7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Asset retirement obligation </link:label>
<link:label id="lab_us-gaap_AssetRetirementObligation_8DDFFA62416B75C0EBA22A2B6F0D26A7_label_en-US" xlink:label="lab_us-gaap_AssetRetirementObligation_8DDFFA62416B75C0EBA22A2B6F0D26A7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Asset Retirement Obligation </link:label>
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<link:label id="lab_us-gaap_ReconciliationOfRevenueFromSegmentsToConsolidatedTable_6416B67A3E518E5F69A8950BC328CE27_terseLabel_en-US" xlink:label="lab_us-gaap_ReconciliationOfRevenueFromSegmentsToConsolidatedTable_6416B67A3E518E5F69A8950BC328CE27" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Reconciliation of Revenue from Segments to Consolidated [Table] </link:label>
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<link:label id="lab_us-gaap_EnvironmentalRemediationSiteDomain_3B78F5677E4F3FD42753950BC3280104_terseLabel_en-US" xlink:label="lab_us-gaap_EnvironmentalRemediationSiteDomain_3B78F5677E4F3FD42753950BC3280104" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Environmental Remediation Site [Domain] </link:label>
<link:label id="lab_us-gaap_EnvironmentalRemediationSiteDomain_3B78F5677E4F3FD42753950BC3280104_label_en-US" xlink:label="lab_us-gaap_EnvironmentalRemediationSiteDomain_3B78F5677E4F3FD42753950BC3280104" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Environmental Remediation Site [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EnvironmentalRemediationSiteDomain" xlink:label="loc_us-gaap_EnvironmentalRemediationSiteDomain_3B78F5677E4F3FD42753950BC3280104" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EnvironmentalRemediationSiteDomain_3B78F5677E4F3FD42753950BC3280104" xlink:to="lab_us-gaap_EnvironmentalRemediationSiteDomain_3B78F5677E4F3FD42753950BC3280104" xlink:type="arc"/>
<link:label id="lab_ppg_LegacyChemicalSitesMemberDomain_5C1F990C8BB2373077DE950BC3281178_terseLabel_en-US" xlink:label="lab_ppg_LegacyChemicalSitesMemberDomain_5C1F990C8BB2373077DE950BC3281178" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Legacy Chemical Sites [Member] [Domain] </link:label>
<link:label id="lab_ppg_LegacyChemicalSitesMemberDomain_5C1F990C8BB2373077DE950BC3281178_label_en-US" xlink:label="lab_ppg_LegacyChemicalSitesMemberDomain_5C1F990C8BB2373077DE950BC3281178" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Legacy Chemical Sites [Member] [Domain] </link:label>
<link:label id="lab_ppg_LegacyChemicalSitesMemberDomain_5C1F990C8BB2373077DE950BC3281178_documentation_en-US" xlink:label="lab_ppg_LegacyChemicalSitesMemberDomain_5C1F990C8BB2373077DE950BC3281178" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Legacy Chemical Sites [Member] [Domain] </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_LegacyChemicalSitesMemberDomain" xlink:label="loc_ppg_LegacyChemicalSitesMemberDomain_5C1F990C8BB2373077DE950BC3281178" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ppg_LegacyChemicalSitesMemberDomain_5C1F990C8BB2373077DE950BC3281178" xlink:to="lab_ppg_LegacyChemicalSitesMemberDomain_5C1F990C8BB2373077DE950BC3281178" xlink:type="arc"/>
<link:label id="lab_ppg_MexicanPlakaBusinessMember_2B303C4E4A6CD6D8608C950BC3282D65_terseLabel_en-US" xlink:label="lab_ppg_MexicanPlakaBusinessMember_2B303C4E4A6CD6D8608C950BC3282D65" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Mexican Plaka Business [Member] </link:label>
<link:label id="lab_ppg_MexicanPlakaBusinessMember_2B303C4E4A6CD6D8608C950BC3282D65_label_en-US" xlink:label="lab_ppg_MexicanPlakaBusinessMember_2B303C4E4A6CD6D8608C950BC3282D65" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Mexican Plaka Business [Member] </link:label>
<link:label id="lab_ppg_MexicanPlakaBusinessMember_2B303C4E4A6CD6D8608C950BC3282D65_documentation_en-US" xlink:label="lab_ppg_MexicanPlakaBusinessMember_2B303C4E4A6CD6D8608C950BC3282D65" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Mexican Plaka Business [Member] </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_MexicanPlakaBusinessMember" xlink:label="loc_ppg_MexicanPlakaBusinessMember_2B303C4E4A6CD6D8608C950BC3282D65" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ppg_MexicanPlakaBusinessMember_2B303C4E4A6CD6D8608C950BC3282D65" xlink:to="lab_ppg_MexicanPlakaBusinessMember_2B303C4E4A6CD6D8608C950BC3282D65" xlink:type="arc"/>
<link:label id="lab_ppg_OtherBusinessAffiliatesMember_D7F5167CB9E0AD4E4EE9950BC328CF9D_terseLabel_en-US" xlink:label="lab_ppg_OtherBusinessAffiliatesMember_D7F5167CB9E0AD4E4EE9950BC328CF9D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other Business Affiliates [Member] </link:label>
<link:label id="lab_ppg_OtherBusinessAffiliatesMember_D7F5167CB9E0AD4E4EE9950BC328CF9D_label_en-US" xlink:label="lab_ppg_OtherBusinessAffiliatesMember_D7F5167CB9E0AD4E4EE9950BC328CF9D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Business Affiliates [Member] </link:label>
<link:label id="lab_ppg_OtherBusinessAffiliatesMember_D7F5167CB9E0AD4E4EE9950BC328CF9D_documentation_en-US" xlink:label="lab_ppg_OtherBusinessAffiliatesMember_D7F5167CB9E0AD4E4EE9950BC328CF9D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Other Business Affiliates [Member] </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_OtherBusinessAffiliatesMember" xlink:label="loc_ppg_OtherBusinessAffiliatesMember_D7F5167CB9E0AD4E4EE9950BC328CF9D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ppg_OtherBusinessAffiliatesMember_D7F5167CB9E0AD4E4EE9950BC328CF9D" xlink:to="lab_ppg_OtherBusinessAffiliatesMember_D7F5167CB9E0AD4E4EE9950BC328CF9D" xlink:type="arc"/>
<link:label id="lab_us-gaap_ConsolidationItemsAxis_B785ED11244709C2824C950BC3288395_terseLabel_en-US" xlink:label="lab_us-gaap_ConsolidationItemsAxis_B785ED11244709C2824C950BC3288395" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Consolidation Items [Axis] </link:label>
<link:label id="lab_us-gaap_ConsolidationItemsAxis_B785ED11244709C2824C950BC3288395_label_en-US" xlink:label="lab_us-gaap_ConsolidationItemsAxis_B785ED11244709C2824C950BC3288395" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Consolidation Items [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConsolidationItemsAxis" xlink:label="loc_us-gaap_ConsolidationItemsAxis_B785ED11244709C2824C950BC3288395" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConsolidationItemsAxis_B785ED11244709C2824C950BC3288395" xlink:to="lab_us-gaap_ConsolidationItemsAxis_B785ED11244709C2824C950BC3288395" xlink:type="arc"/>
<link:label id="lab_us-gaap_ConsolidationItemsDomain_DCBE59495BB1358590F0950BC3289CFB_terseLabel_en-US" xlink:label="lab_us-gaap_ConsolidationItemsDomain_DCBE59495BB1358590F0950BC3289CFB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Consolidation Items [Domain] </link:label>
<link:label id="lab_us-gaap_ConsolidationItemsDomain_DCBE59495BB1358590F0950BC3289CFB_label_en-US" xlink:label="lab_us-gaap_ConsolidationItemsDomain_DCBE59495BB1358590F0950BC3289CFB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Consolidation Items [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConsolidationItemsDomain" xlink:label="loc_us-gaap_ConsolidationItemsDomain_DCBE59495BB1358590F0950BC3289CFB" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConsolidationItemsDomain_DCBE59495BB1358590F0950BC3289CFB" xlink:to="lab_us-gaap_ConsolidationItemsDomain_DCBE59495BB1358590F0950BC3289CFB" xlink:type="arc"/>
<link:label id="lab_us-gaap_OperatingSegmentsMember_1381E9DABA6B9295488A950BC32852E0_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingSegmentsMember_1381E9DABA6B9295488A950BC32852E0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating Segments [Member] </link:label>
<link:label id="lab_us-gaap_OperatingSegmentsMember_1381E9DABA6B9295488A950BC32852E0_label_en-US" xlink:label="lab_us-gaap_OperatingSegmentsMember_1381E9DABA6B9295488A950BC32852E0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Segments [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingSegmentsMember" xlink:label="loc_us-gaap_OperatingSegmentsMember_1381E9DABA6B9295488A950BC32852E0" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingSegmentsMember_1381E9DABA6B9295488A950BC32852E0" xlink:to="lab_us-gaap_OperatingSegmentsMember_1381E9DABA6B9295488A950BC32852E0" xlink:type="arc"/>
<link:label id="lab_us-gaap_IntersegmentEliminationMember_92886232B796B0269D95950BC3284C65_terseLabel_en-US" xlink:label="lab_us-gaap_IntersegmentEliminationMember_92886232B796B0269D95950BC3284C65" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Intersegment Eliminations [Member] </link:label>
<link:label id="lab_us-gaap_IntersegmentEliminationMember_92886232B796B0269D95950BC3284C65_label_en-US" xlink:label="lab_us-gaap_IntersegmentEliminationMember_92886232B796B0269D95950BC3284C65" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Intersegment Eliminations [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IntersegmentEliminationMember" xlink:label="loc_us-gaap_IntersegmentEliminationMember_92886232B796B0269D95950BC3284C65" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IntersegmentEliminationMember_92886232B796B0269D95950BC3284C65" xlink:to="lab_us-gaap_IntersegmentEliminationMember_92886232B796B0269D95950BC3284C65" xlink:type="arc"/>
<link:label id="lab_us-gaap_StatementBusinessSegmentsAxis_16331D435E52234E71B9950BC3297192_terseLabel_en-US" xlink:label="lab_us-gaap_StatementBusinessSegmentsAxis_16331D435E52234E71B9950BC3297192" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Segments [Axis] </link:label>
<link:label id="lab_us-gaap_StatementBusinessSegmentsAxis_16331D435E52234E71B9950BC3297192_label_en-US" xlink:label="lab_us-gaap_StatementBusinessSegmentsAxis_16331D435E52234E71B9950BC3297192" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Segments [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_16331D435E52234E71B9950BC3297192" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_16331D435E52234E71B9950BC3297192" xlink:to="lab_us-gaap_StatementBusinessSegmentsAxis_16331D435E52234E71B9950BC3297192" xlink:type="arc"/>
<link:label id="lab_us-gaap_SegmentDomain_3467C3B07DBF10BE6C18950BC3293378_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentDomain_3467C3B07DBF10BE6C18950BC3293378" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Segments [Domain] </link:label>
<link:label id="lab_us-gaap_SegmentDomain_3467C3B07DBF10BE6C18950BC3293378_label_en-US" xlink:label="lab_us-gaap_SegmentDomain_3467C3B07DBF10BE6C18950BC3293378" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Segments [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_3467C3B07DBF10BE6C18950BC3293378" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SegmentDomain_3467C3B07DBF10BE6C18950BC3293378" xlink:to="lab_us-gaap_SegmentDomain_3467C3B07DBF10BE6C18950BC3293378" xlink:type="arc"/>
<link:label id="lab_ppg_PerformanceCoatingsSegmentMember_77879E0383A24D77096D950BC3294398_terseLabel_en-US" xlink:label="lab_ppg_PerformanceCoatingsSegmentMember_77879E0383A24D77096D950BC3294398" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Performance Coatings Segment </link:label>
<link:label id="lab_ppg_PerformanceCoatingsSegmentMember_77879E0383A24D77096D950BC3294398_label_en-US" xlink:label="lab_ppg_PerformanceCoatingsSegmentMember_77879E0383A24D77096D950BC3294398" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Performance Coatings Segment [Member] </link:label>
<link:label id="lab_ppg_PerformanceCoatingsSegmentMember_77879E0383A24D77096D950BC3294398_documentation_en-US" xlink:label="lab_ppg_PerformanceCoatingsSegmentMember_77879E0383A24D77096D950BC3294398" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Performance Coatings Segment [Member] </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_PerformanceCoatingsSegmentMember" xlink:label="loc_ppg_PerformanceCoatingsSegmentMember_77879E0383A24D77096D950BC3294398" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ppg_PerformanceCoatingsSegmentMember_77879E0383A24D77096D950BC3294398" xlink:to="lab_ppg_PerformanceCoatingsSegmentMember_77879E0383A24D77096D950BC3294398" xlink:type="arc"/>
<link:label id="lab_ppg_IndustrialCoatingsSegmentMember_E7D6C8C7AD2726C37024950BC3296ECB_terseLabel_en-US" xlink:label="lab_ppg_IndustrialCoatingsSegmentMember_E7D6C8C7AD2726C37024950BC3296ECB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Industrial Coatings Segment </link:label>
<link:label id="lab_ppg_IndustrialCoatingsSegmentMember_E7D6C8C7AD2726C37024950BC3296ECB_label_en-US" xlink:label="lab_ppg_IndustrialCoatingsSegmentMember_E7D6C8C7AD2726C37024950BC3296ECB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Industrial Coatings Segment [Member] </link:label>
<link:label id="lab_ppg_IndustrialCoatingsSegmentMember_E7D6C8C7AD2726C37024950BC3296ECB_documentation_en-US" xlink:label="lab_ppg_IndustrialCoatingsSegmentMember_E7D6C8C7AD2726C37024950BC3296ECB" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Industrial Coatings Segment [Member] </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_IndustrialCoatingsSegmentMember" xlink:label="loc_ppg_IndustrialCoatingsSegmentMember_E7D6C8C7AD2726C37024950BC3296ECB" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ppg_IndustrialCoatingsSegmentMember_E7D6C8C7AD2726C37024950BC3296ECB" xlink:to="lab_ppg_IndustrialCoatingsSegmentMember_E7D6C8C7AD2726C37024950BC3296ECB" xlink:type="arc"/>
<link:label id="lab_us-gaap_ConsolidationEliminationsMember_C2A87A356C0C5832EAF7950BC32936E3_terseLabel_en-US" xlink:label="lab_us-gaap_ConsolidationEliminationsMember_C2A87A356C0C5832EAF7950BC32936E3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Consolidation, Eliminations </link:label>
<link:label id="lab_us-gaap_ConsolidationEliminationsMember_C2A87A356C0C5832EAF7950BC32936E3_label_en-US" xlink:label="lab_us-gaap_ConsolidationEliminationsMember_C2A87A356C0C5832EAF7950BC32936E3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Consolidation, Eliminations [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConsolidationEliminationsMember" xlink:label="loc_us-gaap_ConsolidationEliminationsMember_C2A87A356C0C5832EAF7950BC32936E3" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConsolidationEliminationsMember_C2A87A356C0C5832EAF7950BC32936E3" xlink:to="lab_us-gaap_ConsolidationEliminationsMember_C2A87A356C0C5832EAF7950BC32936E3" xlink:type="arc"/>
<link:label id="lab_us-gaap_SegmentReportingRevenueReconcilingItemLineItems_62316323ACD665059CAB950BC3297A3A_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentReportingRevenueReconcilingItemLineItems_62316323ACD665059CAB950BC3297A3A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Segment Reporting, Revenue Reconciling Item [Line Items] </link:label>
<link:label id="lab_us-gaap_SegmentReportingRevenueReconcilingItemLineItems_62316323ACD665059CAB950BC3297A3A_label_en-US" xlink:label="lab_us-gaap_SegmentReportingRevenueReconcilingItemLineItems_62316323ACD665059CAB950BC3297A3A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Segment Reporting, Revenue Reconciling Item [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SegmentReportingRevenueReconcilingItemLineItems" xlink:label="loc_us-gaap_SegmentReportingRevenueReconcilingItemLineItems_62316323ACD665059CAB950BC3297A3A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SegmentReportingRevenueReconcilingItemLineItems_62316323ACD665059CAB950BC3297A3A" xlink:to="lab_us-gaap_SegmentReportingRevenueReconcilingItemLineItems_62316323ACD665059CAB950BC3297A3A" xlink:type="arc"/>
<link:label id="lab_us-gaap_SalesRevenueNet_F8588975E14BC04FB947950BC32942A2_terseLabel_en-US" xlink:label="lab_us-gaap_SalesRevenueNet_F8588975E14BC04FB947950BC32942A2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net sales </link:label>
<link:label id="lab_us-gaap_SalesRevenueNet_F8588975E14BC04FB947950BC32942A2_label_en-US" xlink:label="lab_us-gaap_SalesRevenueNet_F8588975E14BC04FB947950BC32942A2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revenue, Net </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SalesRevenueNet" xlink:label="loc_us-gaap_SalesRevenueNet_F8588975E14BC04FB947950BC32942A2" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SalesRevenueNet_F8588975E14BC04FB947950BC32942A2" xlink:to="lab_us-gaap_SalesRevenueNet_F8588975E14BC04FB947950BC32942A2" xlink:type="arc"/>
<link:label id="lab_us-gaap_OperatingIncomeLoss_E9E2DB5912AA59308CCB950BC329A4CC_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingIncomeLoss_E9E2DB5912AA59308CCB950BC329A4CC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Segment income </link:label>
<link:label id="lab_us-gaap_OperatingIncomeLoss_E9E2DB5912AA59308CCB950BC329A4CC_label_en-US" xlink:label="lab_us-gaap_OperatingIncomeLoss_E9E2DB5912AA59308CCB950BC329A4CC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Income (Loss) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_E9E2DB5912AA59308CCB950BC329A4CC" xlink:type="locator"/>
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<link:label id="lab_ppg_SegmentReportingInformationLegacyItems_5CC935458EB8B5374685950BC329161B_negatedLabel_en-US" xlink:label="lab_ppg_SegmentReportingInformationLegacyItems_5CC935458EB8B5374685950BC329161B" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Legacy items </link:label>
<link:label id="lab_ppg_SegmentReportingInformationLegacyItems_5CC935458EB8B5374685950BC329161B_label_en-US" xlink:label="lab_ppg_SegmentReportingInformationLegacyItems_5CC935458EB8B5374685950BC329161B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Segment Reporting Information Legacy Items </link:label>
<link:label id="lab_ppg_SegmentReportingInformationLegacyItems_5CC935458EB8B5374685950BC329161B_documentation_en-US" xlink:label="lab_ppg_SegmentReportingInformationLegacyItems_5CC935458EB8B5374685950BC329161B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Segment Reporting Information, Legacy Items </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_SegmentReportingInformationLegacyItems" xlink:label="loc_ppg_SegmentReportingInformationLegacyItems_5CC935458EB8B5374685950BC329161B" xlink:type="locator"/>
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<link:label id="lab_us-gaap_RestructuringCharges_5E4883CD5001E1218BA3950BC329391A_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_RestructuringCharges_5E4883CD5001E1218BA3950BC329391A" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Restructuring Charges </link:label>
<link:label id="lab_us-gaap_RestructuringCharges_5E4883CD5001E1218BA3950BC329391A_label_en-US" xlink:label="lab_us-gaap_RestructuringCharges_5E4883CD5001E1218BA3950BC329391A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Restructuring Charges </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RestructuringCharges" xlink:label="loc_us-gaap_RestructuringCharges_5E4883CD5001E1218BA3950BC329391A" xlink:type="locator"/>
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<link:label id="lab_us-gaap_BusinessCombinationAcquisitionRelatedCosts_ADFA07A402810C4EDA90950BC329C04E_negatedLabel_en-US" xlink:label="lab_us-gaap_BusinessCombinationAcquisitionRelatedCosts_ADFA07A402810C4EDA90950BC329C04E" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Charges related to transaction related costs </link:label>
<link:label id="lab_us-gaap_BusinessCombinationAcquisitionRelatedCosts_ADFA07A402810C4EDA90950BC329C04E_label_en-US" xlink:label="lab_us-gaap_BusinessCombinationAcquisitionRelatedCosts_ADFA07A402810C4EDA90950BC329C04E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Business Combination, Acquisition Related Costs </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BusinessCombinationAcquisitionRelatedCosts" xlink:label="loc_us-gaap_BusinessCombinationAcquisitionRelatedCosts_ADFA07A402810C4EDA90950BC329C04E" xlink:type="locator"/>
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<link:label id="lab_ppg_NoncashPensionSettlementChargebeforetax_F02DAECE6DD3878D2316950BC3297297_netLabel_en-US" xlink:label="lab_ppg_NoncashPensionSettlementChargebeforetax_F02DAECE6DD3878D2316950BC3297297" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:type="resource" xml:lang="en-US"> Pension Settlement Charges </link:label>
<link:label id="lab_ppg_NoncashPensionSettlementChargebeforetax_F02DAECE6DD3878D2316950BC3297297_label_en-US" xlink:label="lab_ppg_NoncashPensionSettlementChargebeforetax_F02DAECE6DD3878D2316950BC3297297" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Noncash Pension Settlement Charge - before tax </link:label>
<link:label id="lab_ppg_NoncashPensionSettlementChargebeforetax_F02DAECE6DD3878D2316950BC3297297_documentation_en-US" xlink:label="lab_ppg_NoncashPensionSettlementChargebeforetax_F02DAECE6DD3878D2316950BC3297297" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Noncash Pension Settlement Charge - before tax </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_NoncashPensionSettlementChargebeforetax" xlink:label="loc_ppg_NoncashPensionSettlementChargebeforetax_F02DAECE6DD3878D2316950BC3297297" xlink:type="locator"/>
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<link:label id="lab_ppg_Assetwritedown_29417253DCCAFFA0D655950BC3291ECD_negatedTerseLabel_en-US" xlink:label="lab_ppg_Assetwritedown_29417253DCCAFFA0D655950BC3291ECD" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Asset write-down </link:label>
<link:label id="lab_ppg_Assetwritedown_29417253DCCAFFA0D655950BC3291ECD_label_en-US" xlink:label="lab_ppg_Assetwritedown_29417253DCCAFFA0D655950BC3291ECD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Asset write-down </link:label>
<link:label id="lab_ppg_Assetwritedown_29417253DCCAFFA0D655950BC3291ECD_documentation_en-US" xlink:label="lab_ppg_Assetwritedown_29417253DCCAFFA0D655950BC3291ECD" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Asset write-down </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_Assetwritedown" xlink:label="loc_ppg_Assetwritedown_29417253DCCAFFA0D655950BC3291ECD" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ppg_Assetwritedown_29417253DCCAFFA0D655950BC3291ECD" xlink:to="lab_ppg_Assetwritedown_29417253DCCAFFA0D655950BC3291ECD" xlink:type="arc"/>
<link:label id="lab_us-gaap_LitigationSettlementAmount_B9544B376C4403A6F739950BC329C827_terseLabel_en-US" xlink:label="lab_us-gaap_LitigationSettlementAmount_B9544B376C4403A6F739950BC329C827" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Litigation Settlement, Amount </link:label>
<link:label id="lab_us-gaap_LitigationSettlementAmount_B9544B376C4403A6F739950BC329C827_label_en-US" xlink:label="lab_us-gaap_LitigationSettlementAmount_B9544B376C4403A6F739950BC329C827" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Litigation Settlement, Amount </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LitigationSettlementAmount" xlink:label="loc_us-gaap_LitigationSettlementAmount_B9544B376C4403A6F739950BC329C827" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LitigationSettlementAmount_B9544B376C4403A6F739950BC329C827" xlink:to="lab_us-gaap_LitigationSettlementAmount_B9544B376C4403A6F739950BC329C827" xlink:type="arc"/>
<link:label id="lab_us-gaap_GainLossOnDispositionOfAssets1_5F8EDEB22DD908349747950BC329BCD0_terseLabel_en-US" xlink:label="lab_us-gaap_GainLossOnDispositionOfAssets1_5F8EDEB22DD908349747950BC329BCD0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Gain (Loss) on Disposition of Assets </link:label>
<link:label id="lab_us-gaap_GainLossOnDispositionOfAssets1_5F8EDEB22DD908349747950BC329BCD0_label_en-US" xlink:label="lab_us-gaap_GainLossOnDispositionOfAssets1_5F8EDEB22DD908349747950BC329BCD0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Gain (Loss) on Disposition of Assets </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GainLossOnDispositionOfAssets1" xlink:label="loc_us-gaap_GainLossOnDispositionOfAssets1_5F8EDEB22DD908349747950BC329BCD0" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GainLossOnDispositionOfAssets1_5F8EDEB22DD908349747950BC329BCD0" xlink:to="lab_us-gaap_GainLossOnDispositionOfAssets1_5F8EDEB22DD908349747950BC329BCD0" xlink:type="arc"/>
<link:label id="lab_us-gaap_GainLossOnSaleOfBusiness_09C1DD92CC6445CCA196950BC3291E76_verboseLabel_en-US" xlink:label="lab_us-gaap_GainLossOnSaleOfBusiness_09C1DD92CC6445CCA196950BC3291E76" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Gain (Loss) on disposals </link:label>
<link:label id="lab_us-gaap_GainLossOnSaleOfBusiness_09C1DD92CC6445CCA196950BC3291E76_label_en-US" xlink:label="lab_us-gaap_GainLossOnSaleOfBusiness_09C1DD92CC6445CCA196950BC3291E76" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Gain (Loss) on Disposition of Business </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GainLossOnSaleOfBusiness" xlink:label="loc_us-gaap_GainLossOnSaleOfBusiness_09C1DD92CC6445CCA196950BC3291E76" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GainLossOnSaleOfBusiness_09C1DD92CC6445CCA196950BC3291E76" xlink:to="lab_us-gaap_GainLossOnSaleOfBusiness_09C1DD92CC6445CCA196950BC3291E76" xlink:type="arc"/>
<link:label id="lab_us-gaap_InterestIncomeExpenseNet_D71EC5D6BDC3EEA0AC02950BC3293914_terseLabel_en-US" xlink:label="lab_us-gaap_InterestIncomeExpenseNet_D71EC5D6BDC3EEA0AC02950BC3293914" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Interest expense, net of interest income </link:label>
<link:label id="lab_us-gaap_InterestIncomeExpenseNet_D71EC5D6BDC3EEA0AC02950BC3293914_label_en-US" xlink:label="lab_us-gaap_InterestIncomeExpenseNet_D71EC5D6BDC3EEA0AC02950BC3293914" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Interest Income (Expense), Net </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_InterestIncomeExpenseNet" xlink:label="loc_us-gaap_InterestIncomeExpenseNet_D71EC5D6BDC3EEA0AC02950BC3293914" xlink:type="locator"/>
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<link:label id="lab_ppg_CorporateExpenditure_EDB8610F23B710A7022F950BC32A76AC_negatedLabel_en-US" xlink:label="lab_ppg_CorporateExpenditure_EDB8610F23B710A7022F950BC32A76AC" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Corporate unallocated </link:label>
<link:label id="lab_ppg_CorporateExpenditure_EDB8610F23B710A7022F950BC32A76AC_label_en-US" xlink:label="lab_ppg_CorporateExpenditure_EDB8610F23B710A7022F950BC32A76AC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Corporate Expenditure </link:label>
<link:label id="lab_ppg_CorporateExpenditure_EDB8610F23B710A7022F950BC32A76AC_documentation_en-US" xlink:label="lab_ppg_CorporateExpenditure_EDB8610F23B710A7022F950BC32A76AC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> This element consists primarily of general corporate overhead and corporate service department costs, primarily in the areas of technical services, human resources and finance, which are used by the operations. It also includes business development costs. </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_CorporateExpenditure" xlink:label="loc_ppg_CorporateExpenditure_EDB8610F23B710A7022F950BC32A76AC" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ppg_CorporateExpenditure_EDB8610F23B710A7022F950BC32A76AC" xlink:to="lab_ppg_CorporateExpenditure_EDB8610F23B710A7022F950BC32A76AC" xlink:type="arc"/>
<link:label id="lab_ppg_IncomeLossFromContinuingOperationsBeforeIncomeTaxes_7D2A4003519C7A5D950A950BC32AB380_totalLabel_en-US" xlink:label="lab_ppg_IncomeLossFromContinuingOperationsBeforeIncomeTaxes_7D2A4003519C7A5D950A950BC32AB380" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Income before income taxes </link:label>
<link:label id="lab_ppg_IncomeLossFromContinuingOperationsBeforeIncomeTaxes_7D2A4003519C7A5D950A950BC32AB380_label_en-US" xlink:label="lab_ppg_IncomeLossFromContinuingOperationsBeforeIncomeTaxes_7D2A4003519C7A5D950A950BC32AB380" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Loss From Continuing Operations Before Income Taxes </link:label>
<link:label id="lab_ppg_IncomeLossFromContinuingOperationsBeforeIncomeTaxes_7D2A4003519C7A5D950A950BC32AB380_documentation_en-US" xlink:label="lab_ppg_IncomeLossFromContinuingOperationsBeforeIncomeTaxes_7D2A4003519C7A5D950A950BC32AB380" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Sum of operating profit and nonoperating income (expense) before income taxes. </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_IncomeLossFromContinuingOperationsBeforeIncomeTaxes" xlink:label="loc_ppg_IncomeLossFromContinuingOperationsBeforeIncomeTaxes_7D2A4003519C7A5D950A950BC32AB380" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DepreciationAndAmortization_AA108D2683CED50B50A0950BC32A1A64_verboseLabel_en-US" xlink:label="lab_us-gaap_DepreciationAndAmortization_AA108D2683CED50B50A0950BC32A1A64" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Depreciation and amortization </link:label>
<link:label id="lab_us-gaap_DepreciationAndAmortization_AA108D2683CED50B50A0950BC32A1A64_label_en-US" xlink:label="lab_us-gaap_DepreciationAndAmortization_AA108D2683CED50B50A0950BC32A1A64" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Depreciation, Depletion and Amortization, Nonproduction </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:label="loc_us-gaap_DepreciationAndAmortization_AA108D2683CED50B50A0950BC32A1A64" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncomeLossFromEquityMethodInvestments_5AA98D32C198C94DF86A950BC32A2EF4_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromEquityMethodInvestments_5AA98D32C198C94DF86A950BC32A2EF4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Share of net earnings (loss) of equity affiliates </link:label>
<link:label id="lab_us-gaap_IncomeLossFromEquityMethodInvestments_5AA98D32C198C94DF86A950BC32A2EF4_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromEquityMethodInvestments_5AA98D32C198C94DF86A950BC32A2EF4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income (Loss) from Equity Method Investments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_5AA98D32C198C94DF86A950BC32A2EF4" xlink:type="locator"/>
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<link:label id="lab_us-gaap_Assets_443B38B1B8590B8BAC31950BC32A3462_terseLabel_en-US" xlink:label="lab_us-gaap_Assets_443B38B1B8590B8BAC31950BC32A3462" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Segment assets </link:label>
<link:label id="lab_us-gaap_Assets_443B38B1B8590B8BAC31950BC32A3462_label_en-US" xlink:label="lab_us-gaap_Assets_443B38B1B8590B8BAC31950BC32A3462" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Assets </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_443B38B1B8590B8BAC31950BC32A3462" xlink:type="locator"/>
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<link:label id="lab_us-gaap_EquityMethodInvestments_9237DCC4CA0690DBB5BE950BC32AF1D1_terseLabel_en-US" xlink:label="lab_us-gaap_EquityMethodInvestments_9237DCC4CA0690DBB5BE950BC32AF1D1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Investment in equity affiliates </link:label>
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<link:label id="lab_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_348F3D4ACA357C453FA22A2B71BD0123_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_348F3D4ACA357C453FA22A2B71BD0123" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] </link:label>
<link:label id="lab_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_348F3D4ACA357C453FA22A2B71BD0123_label_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_348F3D4ACA357C453FA22A2B71BD0123" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] </link:label>
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<link:label id="lab_us-gaap_ScheduleOfShareBasedPaymentAwardEmployeeStockPurchasePlanValuationAssumptionsTableTextBlock_F7B73E69616C36B5E9022A2B71BD9A98_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedPaymentAwardEmployeeStockPurchasePlanValuationAssumptionsTableTextBlock_F7B73E69616C36B5E9022A2B71BD9A98" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Weighted Average Assumptions Used in Calculating the Fair Value of Stock Option </link:label>
<link:label id="lab_us-gaap_ScheduleOfShareBasedPaymentAwardEmployeeStockPurchasePlanValuationAssumptionsTableTextBlock_F7B73E69616C36B5E9022A2B71BD9A98_label_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedPaymentAwardEmployeeStockPurchasePlanValuationAssumptionsTableTextBlock_F7B73E69616C36B5E9022A2B71BD9A98" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block] </link:label>
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<link:label id="lab_ppg_ScheduleOfShareBasedCompensationStockOptionsOutstandingAndExercisableActivityTableTextBlock_32EC4EBBCB2F9F759BC92A2B71BDA039_terseLabel_en-US" xlink:label="lab_ppg_ScheduleOfShareBasedCompensationStockOptionsOutstandingAndExercisableActivityTableTextBlock_32EC4EBBCB2F9F759BC92A2B71BDA039" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stock Options Outstanding, Exercisable and Activity </link:label>
<link:label id="lab_ppg_ScheduleOfShareBasedCompensationStockOptionsOutstandingAndExercisableActivityTableTextBlock_32EC4EBBCB2F9F759BC92A2B71BDA039_label_en-US" xlink:label="lab_ppg_ScheduleOfShareBasedCompensationStockOptionsOutstandingAndExercisableActivityTableTextBlock_32EC4EBBCB2F9F759BC92A2B71BDA039" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule Of Share Based Compensation Stock Options Outstanding And Exercisable Activity Table [Text Block] </link:label>
<link:label id="lab_ppg_ScheduleOfShareBasedCompensationStockOptionsOutstandingAndExercisableActivityTableTextBlock_32EC4EBBCB2F9F759BC92A2B71BDA039_documentation_en-US" xlink:label="lab_ppg_ScheduleOfShareBasedCompensationStockOptionsOutstandingAndExercisableActivityTableTextBlock_32EC4EBBCB2F9F759BC92A2B71BDA039" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Schedule of Share Based Compensation Stock Options, Outstanding and Exercisable Activity[Table Text Block] </link:label>
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<link:label id="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingTableTextBlock_699C051F83A81206D8B62A2B71C282EC_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingTableTextBlock_699C051F83A81206D8B62A2B71C282EC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stock Option Activity </link:label>
<link:label id="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingTableTextBlock_699C051F83A81206D8B62A2B71C282EC_label_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingTableTextBlock_699C051F83A81206D8B62A2B71C282EC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding [Table Text Block] </link:label>
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<link:label id="lab_us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock_201BB51ED45ABC0330482A2B71C2FBAA_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock_201BB51ED45ABC0330482A2B71C2FBAA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> RSU Activity </link:label>
<link:label id="lab_us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock_201BB51ED45ABC0330482A2B71C2FBAA_label_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock_201BB51ED45ABC0330482A2B71C2FBAA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block] </link:label>
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<link:label id="lab_us-gaap_DefinedBenefitPlanServiceCost_A6EAEA0178B15BC5CF3F94FEF2B59417_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanServiceCost_A6EAEA0178B15BC5CF3F94FEF2B59417" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Service cost </link:label>
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<link:label id="lab_ppg_TranslationAdjustmentsOtherThanTranslationOfBalanceSheetTaxBenefitExpense_20DF99984AB7460104C69058E43D0DC6_terseLabel_en-US" xlink:label="lab_ppg_TranslationAdjustmentsOtherThanTranslationOfBalanceSheetTaxBenefitExpense_20DF99984AB7460104C69058E43D0DC6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Tax benefit (cost) related to unrealized currency translation adjustments other than translation of foreign denominated balance sheets </link:label>
<link:label id="lab_ppg_TranslationAdjustmentsOtherThanTranslationOfBalanceSheetTaxBenefitExpense_20DF99984AB7460104C69058E43D0DC6_label_en-US" xlink:label="lab_ppg_TranslationAdjustmentsOtherThanTranslationOfBalanceSheetTaxBenefitExpense_20DF99984AB7460104C69058E43D0DC6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Translation Adjustments Other Than Translation Of Balance Sheet Tax Benefit Expense </link:label>
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<link:label id="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax_E08F2496556A3539516A9058E43E1723_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax_E08F2496556A3539516A9058E43E1723" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Tax benefit (cost) related to the adjustment for pension and other postretirement benefits </link:label>
<link:label id="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax_E08F2496556A3539516A9058E43E1723_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax_E08F2496556A3539516A9058E43E1723" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Tax </link:label>
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<link:label id="lab_ppg_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansTax_4A70FE32D7CFE2A572639058E43E1AA3_terseLabel_en-US" xlink:label="lab_ppg_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansTax_4A70FE32D7CFE2A572639058E43E1AA3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cumulative tax benefit related to the adjustment for pension and other postretirement benefits </link:label>
<link:label id="lab_ppg_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansTax_4A70FE32D7CFE2A572639058E43E1AA3_label_en-US" xlink:label="lab_ppg_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansTax_4A70FE32D7CFE2A572639058E43E1AA3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Tax </link:label>
<link:label id="lab_ppg_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansTax_4A70FE32D7CFE2A572639058E43E1AA3_documentation_en-US" xlink:label="lab_ppg_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansTax_4A70FE32D7CFE2A572639058E43E1AA3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The tax effect from the total of net (gain) loss, prior service cost (credit), and transition assets (obligations), as well as minimum pension liability if still remaining, included in accumulated other comprehensive income associated with a defined benefit pension or other postretirement plan(s) because they have yet to be recognized as components of net periodic benefit cost. </link:label>
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<link:label id="lab_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax_1F756AEBD502A90E5E7B9058E43E71E2_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax_1F756AEBD502A90E5E7B9058E43E71E2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Tax benefit (cost) related to the change in the unrealized gain (loss) on derivatives </link:label>
<link:label id="lab_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax_1F756AEBD502A90E5E7B9058E43E71E2_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax_1F756AEBD502A90E5E7B9058E43E71E2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax_1F756AEBD502A90E5E7B9058E43E71E2" xlink:type="locator"/>
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<link:label id="lab_us-gaap_EquityMethodInvestmentsAndJointVenturesAbstract_949071E01E00DB99D3062A2B6E77DBA7_label_en-US" xlink:label="lab_us-gaap_EquityMethodInvestmentsAndJointVenturesAbstract_949071E01E00DB99D3062A2B6E77DBA7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Equity Method Investments and Joint Ventures [Abstract] </link:label>
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<link:label id="lab_invest_InvestmentTableTextBlock_86570D18851066EF4A182A2B6E789A71_terseLabel_en-US" xlink:label="lab_invest_InvestmentTableTextBlock_86570D18851066EF4A182A2B6E789A71" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Investments </link:label>
<link:label id="lab_invest_InvestmentTableTextBlock_86570D18851066EF4A182A2B6E789A71_label_en-US" xlink:label="lab_invest_InvestmentTableTextBlock_86570D18851066EF4A182A2B6E789A71" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Investment [Table Text Block] </link:label>
<link:loc xlink:href="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd#invest_InvestmentTableTextBlock" xlink:label="loc_invest_InvestmentTableTextBlock_86570D18851066EF4A182A2B6E789A71" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncomeStatementAbstract_16D5E331F1046EF782B3950BC4BAE9E9_label_en-US" xlink:label="lab_us-gaap_IncomeStatementAbstract_16D5E331F1046EF782B3950BC4BAE9E9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Statement [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="loc_us-gaap_IncomeStatementAbstract_16D5E331F1046EF782B3950BC4BAE9E9" xlink:type="locator"/>
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<link:label id="lab_us-gaap_CostOfGoodsSoldExcludingDepreciationDepletionAndAmortization_52169BBBB40202F995E4950BC4BA5FC9_verboseLabel_en-US" xlink:label="lab_us-gaap_CostOfGoodsSoldExcludingDepreciationDepletionAndAmortization_52169BBBB40202F995E4950BC4BA5FC9" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Cost of sales, exclusive of depreciation and amortization </link:label>
<link:label id="lab_us-gaap_CostOfGoodsSoldExcludingDepreciationDepletionAndAmortization_52169BBBB40202F995E4950BC4BA5FC9_label_en-US" xlink:label="lab_us-gaap_CostOfGoodsSoldExcludingDepreciationDepletionAndAmortization_52169BBBB40202F995E4950BC4BA5FC9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cost of Goods Sold, Excluding Depreciation, Depletion, and Amortization </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CostOfGoodsSoldExcludingDepreciationDepletionAndAmortization" xlink:label="loc_us-gaap_CostOfGoodsSoldExcludingDepreciationDepletionAndAmortization_52169BBBB40202F995E4950BC4BA5FC9" xlink:type="locator"/>
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<link:label id="lab_us-gaap_SellingGeneralAndAdministrativeExpense_2313C37BB88C91A2F85A950BC4BA69DD_terseLabel_en-US" xlink:label="lab_us-gaap_SellingGeneralAndAdministrativeExpense_2313C37BB88C91A2F85A950BC4BA69DD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Selling, general and administrative </link:label>
<link:label id="lab_us-gaap_SellingGeneralAndAdministrativeExpense_2313C37BB88C91A2F85A950BC4BA69DD_label_en-US" xlink:label="lab_us-gaap_SellingGeneralAndAdministrativeExpense_2313C37BB88C91A2F85A950BC4BA69DD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Selling, General and Administrative Expense </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_2313C37BB88C91A2F85A950BC4BA69DD" xlink:type="locator"/>
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<link:label id="lab_us-gaap_Depreciation_928F9AEB01BE9AFEE35F950BC4BA3E1F_terseLabel_en-US" xlink:label="lab_us-gaap_Depreciation_928F9AEB01BE9AFEE35F950BC4BA3E1F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Depreciation </link:label>
<link:label id="lab_us-gaap_Depreciation_928F9AEB01BE9AFEE35F950BC4BA3E1F_label_en-US" xlink:label="lab_us-gaap_Depreciation_928F9AEB01BE9AFEE35F950BC4BA3E1F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Depreciation </link:label>
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<link:label id="lab_us-gaap_AmortizationOfIntangibleAssets_07B55ABD5274491D2E0B950BC4BA7EB4_terseLabel_en-US" xlink:label="lab_us-gaap_AmortizationOfIntangibleAssets_07B55ABD5274491D2E0B950BC4BA7EB4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Amortization </link:label>
<link:label id="lab_us-gaap_AmortizationOfIntangibleAssets_07B55ABD5274491D2E0B950BC4BA7EB4_label_en-US" xlink:label="lab_us-gaap_AmortizationOfIntangibleAssets_07B55ABD5274491D2E0B950BC4BA7EB4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Amortization of Intangible Assets </link:label>
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<link:label id="lab_us-gaap_InterestExpense_F0D4076567A698A28BB4950BC4BA5CFF_terseLabel_en-US" xlink:label="lab_us-gaap_InterestExpense_F0D4076567A698A28BB4950BC4BA5CFF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Interest expense </link:label>
<link:label id="lab_us-gaap_InterestExpense_F0D4076567A698A28BB4950BC4BA5CFF_label_en-US" xlink:label="lab_us-gaap_InterestExpense_F0D4076567A698A28BB4950BC4BA5CFF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Interest Expense </link:label>
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<link:label id="lab_us-gaap_InvestmentIncomeInterest_C395003DEE6EA63C3540950BC4BA406D_negatedLabel_en-US" xlink:label="lab_us-gaap_InvestmentIncomeInterest_C395003DEE6EA63C3540950BC4BA406D" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Interest income </link:label>
<link:label id="lab_us-gaap_InvestmentIncomeInterest_C395003DEE6EA63C3540950BC4BA406D_label_en-US" xlink:label="lab_us-gaap_InvestmentIncomeInterest_C395003DEE6EA63C3540950BC4BA406D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Investment Income, Interest </link:label>
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<link:label id="lab_ppg_GainLossRelatedToAsbestosLitigationSettlement_46A700FF0B62ECC8376B950BC4BA11A0_negatedLabel_en-US" xlink:label="lab_ppg_GainLossRelatedToAsbestosLitigationSettlement_46A700FF0B62ECC8376B950BC4BA11A0" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Asbestos settlement, net </link:label>
<link:label id="lab_ppg_GainLossRelatedToAsbestosLitigationSettlement_46A700FF0B62ECC8376B950BC4BA11A0_label_en-US" xlink:label="lab_ppg_GainLossRelatedToAsbestosLitigationSettlement_46A700FF0B62ECC8376B950BC4BA11A0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Gain Loss Related To Asbestos Litigation Settlement </link:label>
<link:label id="lab_ppg_GainLossRelatedToAsbestosLitigationSettlement_46A700FF0B62ECC8376B950BC4BA11A0_documentation_en-US" xlink:label="lab_ppg_GainLossRelatedToAsbestosLitigationSettlement_46A700FF0B62ECC8376B950BC4BA11A0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the net of; the change in fair value of the PPG stock that is to be contributed to the asbestos trust, the change in the fair value of the equity forward instrument and accretion of the asbestos liability as a result of the proposed settlement arrangement. </link:label>
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<link:label id="lab_us-gaap_RestructuringCharges_707A125FB2FCBE3B68C6950BC4BAC2B5_verboseLabel_en-US" xlink:label="lab_us-gaap_RestructuringCharges_707A125FB2FCBE3B68C6950BC4BAC2B5" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Business restructuring </link:label>
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<link:label id="lab_us-gaap_OtherExpenses_1E5CDAE79577567AB274950BC4BADDB8_terseLabel_en-US" xlink:label="lab_us-gaap_OtherExpenses_1E5CDAE79577567AB274950BC4BADDB8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other charges </link:label>
<link:label id="lab_us-gaap_OtherExpenses_1E5CDAE79577567AB274950BC4BADDB8_label_en-US" xlink:label="lab_us-gaap_OtherExpenses_1E5CDAE79577567AB274950BC4BADDB8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Expenses </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherExpenses" xlink:label="loc_us-gaap_OtherExpenses_1E5CDAE79577567AB274950BC4BADDB8" xlink:type="locator"/>
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<link:label id="lab_us-gaap_OtherIncome_1B00049E88D77AEB7E3B950BC4BA9BEB_negatedLabel_en-US" xlink:label="lab_us-gaap_OtherIncome_1B00049E88D77AEB7E3B950BC4BA9BEB" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Other income </link:label>
<link:label id="lab_us-gaap_OtherIncome_1B00049E88D77AEB7E3B950BC4BA9BEB_label_en-US" xlink:label="lab_us-gaap_OtherIncome_1B00049E88D77AEB7E3B950BC4BA9BEB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Income </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherIncome" xlink:label="loc_us-gaap_OtherIncome_1B00049E88D77AEB7E3B950BC4BA9BEB" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_AD62265E29985726EAFF950BC4BAE89D_totalLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_AD62265E29985726EAFF950BC4BAE89D" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Income before income taxes </link:label>
<link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_AD62265E29985726EAFF950BC4BAE89D_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_AD62265E29985726EAFF950BC4BAE89D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest </link:label>
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<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_3CF82CC1ACADF8A7DA46950BC4BAD548" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_2E8B90B3CA4C6FC8DD41950BC4BB9BEA_totalLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_2E8B90B3CA4C6FC8DD41950BC4BB9BEA" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Income from continuing operations </link:label>
<link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_2E8B90B3CA4C6FC8DD41950BC4BB9BEA_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_2E8B90B3CA4C6FC8DD41950BC4BB9BEA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_2E8B90B3CA4C6FC8DD41950BC4BB9BEA" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_747D1446BC32835A72E2950BC4BBA9BA_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_747D1446BC32835A72E2950BC4BBA9BA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income from discontinued operations, net of tax </link:label>
<link:label id="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_747D1446BC32835A72E2950BC4BBA9BA_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_747D1446BC32835A72E2950BC4BBA9BA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_747D1446BC32835A72E2950BC4BBA9BA" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ProfitLoss_296AD9597DD4B1C5BB02950BC4BB60E4_totalLabel_en-US" xlink:label="lab_us-gaap_ProfitLoss_296AD9597DD4B1C5BB02950BC4BB60E4" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net income attributable to the controlling and noncontrolling interests </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_296AD9597DD4B1C5BB02950BC4BB60E4" xlink:type="locator"/>
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<link:label id="lab_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_18DCCB437D601AF92A08950BC4BB91FD_terseLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_18DCCB437D601AF92A08950BC4BB91FD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Less: net income attributable to noncontrolling interests </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_18DCCB437D601AF92A08950BC4BB91FD" xlink:type="locator"/>
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<link:label id="lab_us-gaap_NetIncomeLoss_7C7D01972C9BC507D75D950BC4BB12FC_totalLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLoss_7C7D01972C9BC507D75D950BC4BB12FC" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net income (attributable to PPG) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_7C7D01972C9BC507D75D950BC4BB12FC" xlink:type="locator"/>
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<link:label id="lab_us-gaap_EarningsPerShareBasicAbstract_4E2596F9817DA3476DF2950BC4BB9180_verboseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareBasicAbstract_4E2596F9817DA3476DF2950BC4BB9180" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Earnings per common share </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EarningsPerShareBasicAbstract" xlink:label="loc_us-gaap_EarningsPerShareBasicAbstract_4E2596F9817DA3476DF2950BC4BB9180" xlink:type="locator"/>
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<link:label id="lab_us-gaap_EarningsPerShareBasic_B46363855EA64E142CAC950BC4BBDE84_totalLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareBasic_B46363855EA64E142CAC950BC4BBDE84" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net Income (attributable to PPG) (in dollars per share) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="loc_us-gaap_EarningsPerShareBasic_B46363855EA64E142CAC950BC4BBDE84" xlink:type="locator"/>
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<link:label id="lab_us-gaap_EarningsPerShareDilutedAbstract_95EA4F5845D99EE7D99A950BC4BB4BF7_verboseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareDilutedAbstract_95EA4F5845D99EE7D99A950BC4BB4BF7" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Earnings per common share - assuming dilution </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EarningsPerShareDilutedAbstract" xlink:label="loc_us-gaap_EarningsPerShareDilutedAbstract_95EA4F5845D99EE7D99A950BC4BB4BF7" xlink:type="locator"/>
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<link:label id="lab_us-gaap_EarningsPerShareDiluted_F96D167144A2236810F2950BC4BBCE46_totalLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareDiluted_F96D167144A2236810F2950BC4BBCE46" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net Income (attributable to PPG) (in dollars per share) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="loc_us-gaap_EarningsPerShareDiluted_F96D167144A2236810F2950BC4BBCE46" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ScheduleOfGoodwillTable_C24258A6A4D571A9D0226668235AA215_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfGoodwillTable_C24258A6A4D571A9D0226668235AA215" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Goodwill [Table] </link:label>
<link:label id="lab_us-gaap_ScheduleOfGoodwillTable_C24258A6A4D571A9D0226668235AA215_label_en-US" xlink:label="lab_us-gaap_ScheduleOfGoodwillTable_C24258A6A4D571A9D0226668235AA215" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Goodwill [Table] </link:label>
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<link:label id="lab_us-gaap_GoodwillLineItems_A9AF51D736AA9CFA92D66668235B595C_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillLineItems_A9AF51D736AA9CFA92D66668235B595C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Goodwill [Line Items] </link:label>
<link:label id="lab_us-gaap_GoodwillLineItems_A9AF51D736AA9CFA92D66668235B595C_label_en-US" xlink:label="lab_us-gaap_GoodwillLineItems_A9AF51D736AA9CFA92D66668235B595C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Goodwill [Line Items] </link:label>
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<link:label id="lab_us-gaap_GoodwillRollForward_D84363F14692C892AF0A6668235B42F2_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillRollForward_D84363F14692C892AF0A6668235B42F2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Goodwill [Roll Forward] </link:label>
<link:label id="lab_us-gaap_GoodwillRollForward_D84363F14692C892AF0A6668235B42F2_label_en-US" xlink:label="lab_us-gaap_GoodwillRollForward_D84363F14692C892AF0A6668235B42F2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Goodwill [Roll Forward] </link:label>
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<link:label id="lab_us-gaap_Goodwill_87E394B3E429FE796F7B6668235B2F34_periodStartLabel_en-US" xlink:label="lab_us-gaap_Goodwill_87E394B3E429FE796F7B6668235B2F34" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Beginning Balance </link:label>
<link:label id="lab_us-gaap_Goodwill_87E394B3E429FE796F7B6668235B2F34_label_en-US" xlink:label="lab_us-gaap_Goodwill_87E394B3E429FE796F7B6668235B2F34" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Goodwill </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_87E394B3E429FE796F7B6668235B2F34" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Goodwill_87E394B3E429FE796F7B6668235B2F34" xlink:to="lab_us-gaap_Goodwill_87E394B3E429FE796F7B6668235B2F34" xlink:type="arc"/>
<link:label id="lab_us-gaap_GoodwillAcquiredDuringPeriod_16CF702C9527741024EF6668235BF2D3_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillAcquiredDuringPeriod_16CF702C9527741024EF6668235BF2D3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Goodwill from acquisitions </link:label>
<link:label id="lab_us-gaap_GoodwillAcquiredDuringPeriod_16CF702C9527741024EF6668235BF2D3_label_en-US" xlink:label="lab_us-gaap_GoodwillAcquiredDuringPeriod_16CF702C9527741024EF6668235BF2D3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Goodwill, Acquired During Period </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GoodwillAcquiredDuringPeriod" xlink:label="loc_us-gaap_GoodwillAcquiredDuringPeriod_16CF702C9527741024EF6668235BF2D3" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GoodwillAcquiredDuringPeriod_16CF702C9527741024EF6668235BF2D3" xlink:to="lab_us-gaap_GoodwillAcquiredDuringPeriod_16CF702C9527741024EF6668235BF2D3" xlink:type="arc"/>
<link:label id="lab_us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments_750E8A104D922E217DB46668235B52B0_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments_750E8A104D922E217DB46668235B52B0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Currency translation </link:label>
<link:label id="lab_us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments_750E8A104D922E217DB46668235B52B0_label_en-US" xlink:label="lab_us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments_750E8A104D922E217DB46668235B52B0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Goodwill, Translation and Purchase Accounting Adjustments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments" xlink:label="loc_us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments_750E8A104D922E217DB46668235B52B0" xlink:type="locator"/>
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<link:label id="lab_us-gaap_Goodwill_CE24E763A41EAFFC4A046668235BF69D_periodEndLabel_en-US" xlink:label="lab_us-gaap_Goodwill_CE24E763A41EAFFC4A046668235BF69D" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Ending Balance </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_CE24E763A41EAFFC4A046668235BF69D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Goodwill_CE24E763A41EAFFC4A046668235BF69D" xlink:to="lab_us-gaap_Goodwill_CE24E763A41EAFFC4A046668235BF69D" xlink:type="arc"/>
<link:label id="lab_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_3DA28497A1C095A592198F8A34136F62_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_3DA28497A1C095A592198F8A34136F62" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_3DA28497A1C095A592198F8A34136F62_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_3DA28497A1C095A592198F8A34136F62" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward" xlink:label="loc_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_3DA28497A1C095A592198F8A34136F62" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_3DA28497A1C095A592198F8A34136F62" xlink:to="lab_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_3DA28497A1C095A592198F8A34136F62" xlink:type="arc"/>
<link:label id="lab_us-gaap_DefinedBenefitPlanBenefitObligation_75AD12EB548A73B6DE568F8A3413246F_periodStartLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanBenefitObligation_75AD12EB548A73B6DE568F8A3413246F" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Projected benefit obligation, Beginning of year </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPlanBenefitObligation_75AD12EB548A73B6DE568F8A3413246F_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanBenefitObligation_75AD12EB548A73B6DE568F8A3413246F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Benefit Obligation </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DefinedBenefitPlanBenefitObligation" xlink:label="loc_us-gaap_DefinedBenefitPlanBenefitObligation_75AD12EB548A73B6DE568F8A3413246F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanBenefitObligation_75AD12EB548A73B6DE568F8A3413246F" xlink:to="lab_us-gaap_DefinedBenefitPlanBenefitObligation_75AD12EB548A73B6DE568F8A3413246F" xlink:type="arc"/>
<link:label id="lab_us-gaap_DefinedBenefitPlanPlanAmendments_3294D5E3CAFE55D9F6368F8A3413BEF2_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanPlanAmendments_3294D5E3CAFE55D9F6368F8A3413BEF2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Plan amendments </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPlanPlanAmendments_3294D5E3CAFE55D9F6368F8A3413BEF2_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanPlanAmendments_3294D5E3CAFE55D9F6368F8A3413BEF2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Plan Amendments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DefinedBenefitPlanPlanAmendments" xlink:label="loc_us-gaap_DefinedBenefitPlanPlanAmendments_3294D5E3CAFE55D9F6368F8A3413BEF2" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanPlanAmendments_3294D5E3CAFE55D9F6368F8A3413BEF2" xlink:to="lab_us-gaap_DefinedBenefitPlanPlanAmendments_3294D5E3CAFE55D9F6368F8A3413BEF2" xlink:type="arc"/>
<link:label id="lab_us-gaap_DefinedBenefitPlanActuarialGainLoss_5B6E211669F1EB89B3AA8F8A3413573E_negatedLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanActuarialGainLoss_5B6E211669F1EB89B3AA8F8A3413573E" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Actuarial losses (gains) - net </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPlanActuarialGainLoss_5B6E211669F1EB89B3AA8F8A3413573E_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanActuarialGainLoss_5B6E211669F1EB89B3AA8F8A3413573E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Actuarial Gain (Loss) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DefinedBenefitPlanActuarialGainLoss" xlink:label="loc_us-gaap_DefinedBenefitPlanActuarialGainLoss_5B6E211669F1EB89B3AA8F8A3413573E" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanActuarialGainLoss_5B6E211669F1EB89B3AA8F8A3413573E" xlink:to="lab_us-gaap_DefinedBenefitPlanActuarialGainLoss_5B6E211669F1EB89B3AA8F8A3413573E" xlink:type="arc"/>
<link:label id="lab_us-gaap_DefinedBenefitPlanBenefitsPaid_FB50A2507B9E982A3BDE8F8A34135EF2_negatedLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanBenefitsPaid_FB50A2507B9E982A3BDE8F8A34135EF2" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Benefits paid </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPlanBenefitsPaid_FB50A2507B9E982A3BDE8F8A34135EF2_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanBenefitsPaid_FB50A2507B9E982A3BDE8F8A34135EF2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Benefits Paid </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DefinedBenefitPlanBenefitsPaid" xlink:label="loc_us-gaap_DefinedBenefitPlanBenefitsPaid_FB50A2507B9E982A3BDE8F8A34135EF2" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanBenefitsPaid_FB50A2507B9E982A3BDE8F8A34135EF2" xlink:to="lab_us-gaap_DefinedBenefitPlanBenefitsPaid_FB50A2507B9E982A3BDE8F8A34135EF2" xlink:type="arc"/>
<link:label id="lab_us-gaap_DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation_D1B450F1995A019B1F258F8A3413726C_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation_D1B450F1995A019B1F258F8A3413726C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Foreign currency translation adjustments </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation_D1B450F1995A019B1F258F8A3413726C_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation_D1B450F1995A019B1F258F8A3413726C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Foreign Currency Exchange Rate Gain (Loss) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation" xlink:label="loc_us-gaap_DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation_D1B450F1995A019B1F258F8A3413726C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation_D1B450F1995A019B1F258F8A3413726C" xlink:to="lab_us-gaap_DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation_D1B450F1995A019B1F258F8A3413726C" xlink:type="arc"/>
<link:label id="lab_ppg_DefinedBenefitPlanCurtailmentsAndSettlements_FFB2316807A034E84C9C8F8A3413BDBE_negatedLabel_en-US" xlink:label="lab_ppg_DefinedBenefitPlanCurtailmentsAndSettlements_FFB2316807A034E84C9C8F8A3413BDBE" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Settlements and curtailments </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_DefinedBenefitPlanCurtailmentsAndSettlements" xlink:label="loc_ppg_DefinedBenefitPlanCurtailmentsAndSettlements_FFB2316807A034E84C9C8F8A3413BDBE" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ppg_DefinedBenefitPlanCurtailmentsAndSettlements_FFB2316807A034E84C9C8F8A3413BDBE" xlink:to="lab_ppg_DefinedBenefitPlanCurtailmentsAndSettlements_FFB2316807A034E84C9C8F8A3413BDBE" xlink:type="arc"/>
<link:label id="lab_ppg_DefinedBenefitPlanChangeinBenefitObligationAttributabletoFlatGlassBusiness_0D7ACC42E92690EE8F5D8F8A34138DFE_terseLabel_en-US" xlink:label="lab_ppg_DefinedBenefitPlanChangeinBenefitObligationAttributabletoFlatGlassBusiness_0D7ACC42E92690EE8F5D8F8A34138DFE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Change in Benefit Obligation Attributable to Glass Segment </link:label>
<link:label id="lab_ppg_DefinedBenefitPlanChangeinBenefitObligationAttributabletoFlatGlassBusiness_0D7ACC42E92690EE8F5D8F8A34138DFE_label_en-US" xlink:label="lab_ppg_DefinedBenefitPlanChangeinBenefitObligationAttributabletoFlatGlassBusiness_0D7ACC42E92690EE8F5D8F8A34138DFE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Change in Benefit Obligation Attributable to Flat Glass Business </link:label>
<link:label id="lab_ppg_DefinedBenefitPlanChangeinBenefitObligationAttributabletoFlatGlassBusiness_0D7ACC42E92690EE8F5D8F8A34138DFE_documentation_en-US" xlink:label="lab_ppg_DefinedBenefitPlanChangeinBenefitObligationAttributabletoFlatGlassBusiness_0D7ACC42E92690EE8F5D8F8A34138DFE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Change in Benefit Obligation Attributable to Flat Glass Business </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_DefinedBenefitPlanChangeinBenefitObligationAttributabletoFlatGlassBusiness" xlink:label="loc_ppg_DefinedBenefitPlanChangeinBenefitObligationAttributabletoFlatGlassBusiness_0D7ACC42E92690EE8F5D8F8A34138DFE" xlink:type="locator"/>
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<link:label id="lab_ppg_DefinedBenefitPlanOtherBenefitObligations_3032A0CCB566A4A066B38F8A3413041F_terseLabel_en-US" xlink:label="lab_ppg_DefinedBenefitPlanOtherBenefitObligations_3032A0CCB566A4A066B38F8A3413041F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other </link:label>
<link:label id="lab_ppg_DefinedBenefitPlanOtherBenefitObligations_3032A0CCB566A4A066B38F8A3413041F_label_en-US" xlink:label="lab_ppg_DefinedBenefitPlanOtherBenefitObligations_3032A0CCB566A4A066B38F8A3413041F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan Other Benefit Obligations </link:label>
<link:label id="lab_ppg_DefinedBenefitPlanOtherBenefitObligations_3032A0CCB566A4A066B38F8A3413041F_documentation_en-US" xlink:label="lab_ppg_DefinedBenefitPlanOtherBenefitObligations_3032A0CCB566A4A066B38F8A3413041F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Other Benefit Obligations </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_DefinedBenefitPlanOtherBenefitObligations" xlink:label="loc_ppg_DefinedBenefitPlanOtherBenefitObligations_3032A0CCB566A4A066B38F8A3413041F" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DefinedBenefitPlanBenefitObligation_0383C22D55795D43F4AB8F8A3413B23C_periodEndLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanBenefitObligation_0383C22D55795D43F4AB8F8A3413B23C" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Projected benefit obligation, End of year </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DefinedBenefitPlanBenefitObligation" xlink:label="loc_us-gaap_DefinedBenefitPlanBenefitObligation_0383C22D55795D43F4AB8F8A3413B23C" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward_B800E69A1CBFE21A48ED8F8A3413C236_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward_B800E69A1CBFE21A48ED8F8A3413C236" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] </link:label>
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<link:label id="lab_us-gaap_ShortTermDebtTypeDomain_2B769A369D452F4D0EF4952DE6325FD3_terseLabel_en-US" xlink:label="lab_us-gaap_ShortTermDebtTypeDomain_2B769A369D452F4D0EF4952DE6325FD3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Short-term Debt, Type [Domain] </link:label>
<link:label id="lab_us-gaap_ShortTermDebtTypeDomain_2B769A369D452F4D0EF4952DE6325FD3_label_en-US" xlink:label="lab_us-gaap_ShortTermDebtTypeDomain_2B769A369D452F4D0EF4952DE6325FD3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Short-term Debt, Type [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShortTermDebtTypeDomain" xlink:label="loc_us-gaap_ShortTermDebtTypeDomain_2B769A369D452F4D0EF4952DE6325FD3" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShortTermDebtTypeDomain_2B769A369D452F4D0EF4952DE6325FD3" xlink:to="lab_us-gaap_ShortTermDebtTypeDomain_2B769A369D452F4D0EF4952DE6325FD3" xlink:type="arc"/>
<link:label id="lab_ppg_OtherShortTermBorrowingsMember_9A788138613CA5F428C3952DE632ACC5_terseLabel_en-US" xlink:label="lab_ppg_OtherShortTermBorrowingsMember_9A788138613CA5F428C3952DE632ACC5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other Short-Term Borrowings </link:label>
<link:label id="lab_ppg_OtherShortTermBorrowingsMember_9A788138613CA5F428C3952DE632ACC5_label_en-US" xlink:label="lab_ppg_OtherShortTermBorrowingsMember_9A788138613CA5F428C3952DE632ACC5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Short Term Borrowings [Member] </link:label>
<link:label id="lab_ppg_OtherShortTermBorrowingsMember_9A788138613CA5F428C3952DE632ACC5_documentation_en-US" xlink:label="lab_ppg_OtherShortTermBorrowingsMember_9A788138613CA5F428C3952DE632ACC5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Other Short-Term Borrowings [Member] </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_OtherShortTermBorrowingsMember" xlink:label="loc_ppg_OtherShortTermBorrowingsMember_9A788138613CA5F428C3952DE632ACC5" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ppg_OtherShortTermBorrowingsMember_9A788138613CA5F428C3952DE632ACC5" xlink:to="lab_ppg_OtherShortTermBorrowingsMember_9A788138613CA5F428C3952DE632ACC5" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShortTermDebtLineItems_6D64B9A72C86E950561D952DE632B62D_terseLabel_en-US" xlink:label="lab_us-gaap_ShortTermDebtLineItems_6D64B9A72C86E950561D952DE632B62D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Short-term Debt [Line Items] </link:label>
<link:label id="lab_us-gaap_ShortTermDebtLineItems_6D64B9A72C86E950561D952DE632B62D_label_en-US" xlink:label="lab_us-gaap_ShortTermDebtLineItems_6D64B9A72C86E950561D952DE632B62D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Short-term Debt [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShortTermDebtLineItems" xlink:label="loc_us-gaap_ShortTermDebtLineItems_6D64B9A72C86E950561D952DE632B62D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShortTermDebtLineItems_6D64B9A72C86E950561D952DE632B62D" xlink:to="lab_us-gaap_ShortTermDebtLineItems_6D64B9A72C86E950561D952DE632B62D" xlink:type="arc"/>
<link:label id="lab_us-gaap_OtherShortTermBorrowings_6C72EE9EAA42C23FC129952DE6320D4F_terseLabel_en-US" xlink:label="lab_us-gaap_OtherShortTermBorrowings_6C72EE9EAA42C23FC129952DE6320D4F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Various, weighted average 1.9% and 5.8% as of December 31, 2017 and December 31, 2016, respectively. </link:label>
<link:label id="lab_us-gaap_OtherShortTermBorrowings_6C72EE9EAA42C23FC129952DE6320D4F_label_en-US" xlink:label="lab_us-gaap_OtherShortTermBorrowings_6C72EE9EAA42C23FC129952DE6320D4F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Short-term Borrowings </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherShortTermBorrowings" xlink:label="loc_us-gaap_OtherShortTermBorrowings_6C72EE9EAA42C23FC129952DE6320D4F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherShortTermBorrowings_6C72EE9EAA42C23FC129952DE6320D4F" xlink:to="lab_us-gaap_OtherShortTermBorrowings_6C72EE9EAA42C23FC129952DE6320D4F" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShortTermBorrowings_F04042A4CD99731437AE952DE632295F_verboseLabel_en-US" xlink:label="lab_us-gaap_ShortTermBorrowings_F04042A4CD99731437AE952DE632295F" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Short-term Debt </link:label>
<link:label id="lab_us-gaap_ShortTermBorrowings_F04042A4CD99731437AE952DE632295F_label_en-US" xlink:label="lab_us-gaap_ShortTermBorrowings_F04042A4CD99731437AE952DE632295F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Short-term Debt </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShortTermBorrowings" xlink:label="loc_us-gaap_ShortTermBorrowings_F04042A4CD99731437AE952DE632295F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShortTermBorrowings_F04042A4CD99731437AE952DE632295F" xlink:to="lab_us-gaap_ShortTermBorrowings_F04042A4CD99731437AE952DE632295F" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShortTermDebtWeightedAverageInterestRate_FE5D335E4F7D795B19A6952DE6329EC9_terseLabel_en-US" xlink:label="lab_us-gaap_ShortTermDebtWeightedAverageInterestRate_FE5D335E4F7D795B19A6952DE6329EC9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Weighted average interest rate </link:label>
<link:label id="lab_us-gaap_ShortTermDebtWeightedAverageInterestRate_FE5D335E4F7D795B19A6952DE6329EC9_label_en-US" xlink:label="lab_us-gaap_ShortTermDebtWeightedAverageInterestRate_FE5D335E4F7D795B19A6952DE6329EC9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Short-term Debt, Weighted Average Interest Rate </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShortTermDebtWeightedAverageInterestRate" xlink:label="loc_us-gaap_ShortTermDebtWeightedAverageInterestRate_FE5D335E4F7D795B19A6952DE6329EC9" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShortTermDebtWeightedAverageInterestRate_FE5D335E4F7D795B19A6952DE6329EC9" xlink:to="lab_us-gaap_ShortTermDebtWeightedAverageInterestRate_FE5D335E4F7D795B19A6952DE6329EC9" xlink:type="arc"/>
<link:label id="lab_us-gaap_AccountsReceivableNetCurrent_F391317CA61144AA21E02A2B6EFBB736_terseLabel_en-US" xlink:label="lab_us-gaap_AccountsReceivableNetCurrent_F391317CA61144AA21E02A2B6EFBB736" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Trade - net </link:label>
<link:label id="lab_us-gaap_AccountsReceivableNetCurrent_F391317CA61144AA21E02A2B6EFBB736_label_en-US" xlink:label="lab_us-gaap_AccountsReceivableNetCurrent_F391317CA61144AA21E02A2B6EFBB736" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounts Receivable, Net, Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_F391317CA61144AA21E02A2B6EFBB736" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountsReceivableNetCurrent_F391317CA61144AA21E02A2B6EFBB736" xlink:to="lab_us-gaap_AccountsReceivableNetCurrent_F391317CA61144AA21E02A2B6EFBB736" xlink:type="arc"/>
<link:label id="lab_ppg_ReceivablesFromAffiliates_0606365CF9A002C0DB092A2B6EFB4C1B_terseLabel_en-US" xlink:label="lab_ppg_ReceivablesFromAffiliates_0606365CF9A002C0DB092A2B6EFB4C1B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Equity affiliates </link:label>
<link:label id="lab_ppg_ReceivablesFromAffiliates_0606365CF9A002C0DB092A2B6EFB4C1B_label_en-US" xlink:label="lab_ppg_ReceivablesFromAffiliates_0606365CF9A002C0DB092A2B6EFB4C1B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Receivables From Affiliates </link:label>
<link:label id="lab_ppg_ReceivablesFromAffiliates_0606365CF9A002C0DB092A2B6EFB4C1B_documentation_en-US" xlink:label="lab_ppg_ReceivablesFromAffiliates_0606365CF9A002C0DB092A2B6EFB4C1B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Receivables from Affiliates </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_ReceivablesFromAffiliates" xlink:label="loc_ppg_ReceivablesFromAffiliates_0606365CF9A002C0DB092A2B6EFB4C1B" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ppg_ReceivablesFromAffiliates_0606365CF9A002C0DB092A2B6EFB4C1B" xlink:to="lab_ppg_ReceivablesFromAffiliates_0606365CF9A002C0DB092A2B6EFB4C1B" xlink:type="arc"/>
<link:label id="lab_us-gaap_AccountsAndOtherReceivablesNetCurrent_DF8932CEDF146B4F6A292A2B6EFB5115_terseLabel_en-US" xlink:label="lab_us-gaap_AccountsAndOtherReceivablesNetCurrent_DF8932CEDF146B4F6A292A2B6EFB5115" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other - net </link:label>
<link:label id="lab_us-gaap_AccountsAndOtherReceivablesNetCurrent_DF8932CEDF146B4F6A292A2B6EFB5115_label_en-US" xlink:label="lab_us-gaap_AccountsAndOtherReceivablesNetCurrent_DF8932CEDF146B4F6A292A2B6EFB5115" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounts and Other Receivables, Net, Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccountsAndOtherReceivablesNetCurrent" xlink:label="loc_us-gaap_AccountsAndOtherReceivablesNetCurrent_DF8932CEDF146B4F6A292A2B6EFB5115" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountsAndOtherReceivablesNetCurrent_DF8932CEDF146B4F6A292A2B6EFB5115" xlink:to="lab_us-gaap_AccountsAndOtherReceivablesNetCurrent_DF8932CEDF146B4F6A292A2B6EFB5115" xlink:type="arc"/>
<link:label id="lab_us-gaap_ReceivablesNetCurrent_A02D53F7D4DAFC0A20562A2B6EFB9FBF_totalLabel_en-US" xlink:label="lab_us-gaap_ReceivablesNetCurrent_A02D53F7D4DAFC0A20562A2B6EFB9FBF" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Receivables </link:label>
<link:label id="lab_us-gaap_ReceivablesNetCurrent_A02D53F7D4DAFC0A20562A2B6EFB9FBF_label_en-US" xlink:label="lab_us-gaap_ReceivablesNetCurrent_A02D53F7D4DAFC0A20562A2B6EFB9FBF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Receivables, Net, Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ReceivablesNetCurrent" xlink:label="loc_us-gaap_ReceivablesNetCurrent_A02D53F7D4DAFC0A20562A2B6EFB9FBF" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ReceivablesNetCurrent_A02D53F7D4DAFC0A20562A2B6EFB9FBF" xlink:to="lab_us-gaap_ReceivablesNetCurrent_A02D53F7D4DAFC0A20562A2B6EFB9FBF" xlink:type="arc"/>
<link:label id="lab_us-gaap_InventoryFinishedGoods_961F797239343C3C5F332A2B6EFBC4E6_terseLabel_en-US" xlink:label="lab_us-gaap_InventoryFinishedGoods_961F797239343C3C5F332A2B6EFBC4E6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Finished products </link:label>
<link:label id="lab_us-gaap_InventoryFinishedGoods_961F797239343C3C5F332A2B6EFBC4E6_label_en-US" xlink:label="lab_us-gaap_InventoryFinishedGoods_961F797239343C3C5F332A2B6EFBC4E6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Inventory, Finished Goods, Gross </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_InventoryFinishedGoods" xlink:label="loc_us-gaap_InventoryFinishedGoods_961F797239343C3C5F332A2B6EFBC4E6" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InventoryFinishedGoods_961F797239343C3C5F332A2B6EFBC4E6" xlink:to="lab_us-gaap_InventoryFinishedGoods_961F797239343C3C5F332A2B6EFBC4E6" xlink:type="arc"/>
<link:label id="lab_us-gaap_InventoryWorkInProcess_227F4E8D46028BF090A72A2B6EFBC239_terseLabel_en-US" xlink:label="lab_us-gaap_InventoryWorkInProcess_227F4E8D46028BF090A72A2B6EFBC239" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Work in process </link:label>
<link:label id="lab_us-gaap_InventoryWorkInProcess_227F4E8D46028BF090A72A2B6EFBC239_label_en-US" xlink:label="lab_us-gaap_InventoryWorkInProcess_227F4E8D46028BF090A72A2B6EFBC239" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Inventory, Work in Process, Gross </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_InventoryWorkInProcess" xlink:label="loc_us-gaap_InventoryWorkInProcess_227F4E8D46028BF090A72A2B6EFBC239" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InventoryWorkInProcess_227F4E8D46028BF090A72A2B6EFBC239" xlink:to="lab_us-gaap_InventoryWorkInProcess_227F4E8D46028BF090A72A2B6EFBC239" xlink:type="arc"/>
<link:label id="lab_us-gaap_InventoryRawMaterials_8B748DE0081E523F96B92A2B6EFB93DC_terseLabel_en-US" xlink:label="lab_us-gaap_InventoryRawMaterials_8B748DE0081E523F96B92A2B6EFB93DC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Raw materials </link:label>
<link:label id="lab_us-gaap_InventoryRawMaterials_8B748DE0081E523F96B92A2B6EFB93DC_label_en-US" xlink:label="lab_us-gaap_InventoryRawMaterials_8B748DE0081E523F96B92A2B6EFB93DC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Inventory, Raw Materials, Gross </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_InventoryRawMaterials" xlink:label="loc_us-gaap_InventoryRawMaterials_8B748DE0081E523F96B92A2B6EFB93DC" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InventoryRawMaterials_8B748DE0081E523F96B92A2B6EFB93DC" xlink:to="lab_us-gaap_InventoryRawMaterials_8B748DE0081E523F96B92A2B6EFB93DC" xlink:type="arc"/>
<link:label id="lab_us-gaap_OtherInventorySupplies_C713CAC8192A723CDCF62A2B6EFB6EEE_terseLabel_en-US" xlink:label="lab_us-gaap_OtherInventorySupplies_C713CAC8192A723CDCF62A2B6EFB6EEE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Supplies </link:label>
<link:label id="lab_us-gaap_OtherInventorySupplies_C713CAC8192A723CDCF62A2B6EFB6EEE_label_en-US" xlink:label="lab_us-gaap_OtherInventorySupplies_C713CAC8192A723CDCF62A2B6EFB6EEE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Inventory, Supplies, Gross </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherInventorySupplies" xlink:label="loc_us-gaap_OtherInventorySupplies_C713CAC8192A723CDCF62A2B6EFB6EEE" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherInventorySupplies_C713CAC8192A723CDCF62A2B6EFB6EEE" xlink:to="lab_us-gaap_OtherInventorySupplies_C713CAC8192A723CDCF62A2B6EFB6EEE" xlink:type="arc"/>
<link:label id="lab_us-gaap_InventoryNet_3D738C35427891720CC42A2B6EFBCBED_totalLabel_en-US" xlink:label="lab_us-gaap_InventoryNet_3D738C35427891720CC42A2B6EFBCBED" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total inventory at LIFO </link:label>
<link:label id="lab_us-gaap_InventoryNet_3D738C35427891720CC42A2B6EFBCBED_label_en-US" xlink:label="lab_us-gaap_InventoryNet_3D738C35427891720CC42A2B6EFBCBED" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Inventory, Net </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_InventoryNet" xlink:label="loc_us-gaap_InventoryNet_3D738C35427891720CC42A2B6EFBCBED" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InventoryNet_3D738C35427891720CC42A2B6EFBCBED" xlink:to="lab_us-gaap_InventoryNet_3D738C35427891720CC42A2B6EFBCBED" xlink:type="arc"/>
<link:label id="lab_us-gaap_AccountsPayableTradeCurrent_5D8ED0A6E7E768F5828D2A2B6EFB24F9_terseLabel_en-US" xlink:label="lab_us-gaap_AccountsPayableTradeCurrent_5D8ED0A6E7E768F5828D2A2B6EFB24F9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Trade </link:label>
<link:label id="lab_us-gaap_AccountsPayableTradeCurrent_5D8ED0A6E7E768F5828D2A2B6EFB24F9_label_en-US" xlink:label="lab_us-gaap_AccountsPayableTradeCurrent_5D8ED0A6E7E768F5828D2A2B6EFB24F9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounts Payable, Trade, Current </link:label>
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<link:label id="lab_us-gaap_AccruedSalariesCurrent_EBAB0F4EF41389FD11FF2A2B6EFC9A12_terseLabel_en-US" xlink:label="lab_us-gaap_AccruedSalariesCurrent_EBAB0F4EF41389FD11FF2A2B6EFC9A12" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accrued payroll </link:label>
<link:label id="lab_us-gaap_AccruedSalariesCurrent_EBAB0F4EF41389FD11FF2A2B6EFC9A12_label_en-US" xlink:label="lab_us-gaap_AccruedSalariesCurrent_EBAB0F4EF41389FD11FF2A2B6EFC9A12" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accrued Salaries, Current </link:label>
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<link:label id="lab_ppg_PittsburghCorningCorporationMember_9F744B96F0E654B4221B952DE494DA06_terseLabel_en-US" xlink:label="lab_ppg_PittsburghCorningCorporationMember_9F744B96F0E654B4221B952DE494DA06" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Pittsburgh Corning Corporation [Member] </link:label>
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<link:label id="lab_invest_InvestmentAxis_04CCFAB2A79505D5366C952DE494CF4C_label_en-US" xlink:label="lab_invest_InvestmentAxis_04CCFAB2A79505D5366C952DE494CF4C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Investment [Axis] </link:label>
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<link:label id="lab_invest_InvestmentDomain_F18CFC5427A15109DD1B952DE494BA6C_label_en-US" xlink:label="lab_invest_InvestmentDomain_F18CFC5427A15109DD1B952DE494BA6C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Investment [Domain] </link:label>
<link:loc xlink:href="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd#invest_InvestmentDomain" xlink:label="loc_invest_InvestmentDomain_F18CFC5427A15109DD1B952DE494BA6C" xlink:type="locator"/>
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<link:label id="lab_us-gaap_LossContingenciesByNatureOfContingencyAxis_727D458EC9BC2569FEFD952DE495469A_label_en-US" xlink:label="lab_us-gaap_LossContingenciesByNatureOfContingencyAxis_727D458EC9BC2569FEFD952DE495469A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Loss Contingency Nature [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LossContingenciesByNatureOfContingencyAxis" xlink:label="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_727D458EC9BC2569FEFD952DE495469A" xlink:type="locator"/>
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<link:label id="lab_us-gaap_LossContingencyNatureDomain_10787621DA149CD3F3D6952DE49554FF_label_en-US" xlink:label="lab_us-gaap_LossContingencyNatureDomain_10787621DA149CD3F3D6952DE49554FF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Loss Contingency, Nature [Domain] </link:label>
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<link:label id="lab_us-gaap_AsbestosIssueMember_461838364111AB695D00952DE49547A5_terseLabel_en-US" xlink:label="lab_us-gaap_AsbestosIssueMember_461838364111AB695D00952DE49547A5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Asbestos Issue </link:label>
<link:label id="lab_us-gaap_AsbestosIssueMember_461838364111AB695D00952DE49547A5_label_en-US" xlink:label="lab_us-gaap_AsbestosIssueMember_461838364111AB695D00952DE49547A5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Asbestos Issue [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AsbestosIssueMember" xlink:label="loc_us-gaap_AsbestosIssueMember_461838364111AB695D00952DE49547A5" xlink:type="locator"/>
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<link:label id="lab_ppg_AsbestosLitigationReserveCurrentMember_3563171DACBC083B9FA3952DE4951278_terseLabel_en-US" xlink:label="lab_ppg_AsbestosLitigationReserveCurrentMember_3563171DACBC083B9FA3952DE4951278" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Asbestos Settlement Liability, Current </link:label>
<link:label id="lab_ppg_AsbestosLitigationReserveCurrentMember_3563171DACBC083B9FA3952DE4951278_label_en-US" xlink:label="lab_ppg_AsbestosLitigationReserveCurrentMember_3563171DACBC083B9FA3952DE4951278" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Asbestos Litigation Reserve Current [Member] </link:label>
<link:label id="lab_ppg_AsbestosLitigationReserveCurrentMember_3563171DACBC083B9FA3952DE4951278_documentation_en-US" xlink:label="lab_ppg_AsbestosLitigationReserveCurrentMember_3563171DACBC083B9FA3952DE4951278" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Asbestos Litigation Reserve, Current [Member] </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_AsbestosLitigationReserveCurrentMember" xlink:label="loc_ppg_AsbestosLitigationReserveCurrentMember_3563171DACBC083B9FA3952DE4951278" xlink:type="locator"/>
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<link:label id="lab_ppg_AsbestosLitigationReserveNoncurrentMember_C81BA1BB31E3CBC7CF28952DE49524B2_terseLabel_en-US" xlink:label="lab_ppg_AsbestosLitigationReserveNoncurrentMember_C81BA1BB31E3CBC7CF28952DE49524B2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Asbestos Settlement Liability, Long-term </link:label>
<link:label id="lab_ppg_AsbestosLitigationReserveNoncurrentMember_C81BA1BB31E3CBC7CF28952DE49524B2_label_en-US" xlink:label="lab_ppg_AsbestosLitigationReserveNoncurrentMember_C81BA1BB31E3CBC7CF28952DE49524B2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Asbestos Litigation Reserve Noncurrent [Member] </link:label>
<link:label id="lab_ppg_AsbestosLitigationReserveNoncurrentMember_C81BA1BB31E3CBC7CF28952DE49524B2_documentation_en-US" xlink:label="lab_ppg_AsbestosLitigationReserveNoncurrentMember_C81BA1BB31E3CBC7CF28952DE49524B2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Asbestos Litigation Reserve, Noncurrent [Member] </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_AsbestosLitigationReserveNoncurrentMember" xlink:label="loc_ppg_AsbestosLitigationReserveNoncurrentMember_C81BA1BB31E3CBC7CF28952DE49524B2" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ForwardContractsMember_C7D503E69405A7535905952DE49531F2_verboseLabel_en-US" xlink:label="lab_us-gaap_ForwardContractsMember_C7D503E69405A7535905952DE49531F2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Equity Forward (Asset) Liability </link:label>
<link:label id="lab_us-gaap_ForwardContractsMember_C7D503E69405A7535905952DE49531F2_label_en-US" xlink:label="lab_us-gaap_ForwardContractsMember_C7D503E69405A7535905952DE49531F2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Forward Contracts [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ForwardContractsMember" xlink:label="loc_us-gaap_ForwardContractsMember_C7D503E69405A7535905952DE49531F2" xlink:type="locator"/>
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<link:label id="lab_ppg_SettlementOfLitigation1Member_DAA702EE09C43D27D3ED952DE4954483_verboseLabel_en-US" xlink:label="lab_ppg_SettlementOfLitigation1Member_DAA702EE09C43D27D3ED952DE4954483" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Pre-tax Charge </link:label>
<link:label id="lab_ppg_SettlementOfLitigation1Member_DAA702EE09C43D27D3ED952DE4954483_label_en-US" xlink:label="lab_ppg_SettlementOfLitigation1Member_DAA702EE09C43D27D3ED952DE4954483" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Settlement Of Litigation 1 [Member] </link:label>
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<link:loc xlink:href="ppg-20171231.xsd#ppg_SettlementOfLitigation1Member" xlink:label="loc_ppg_SettlementOfLitigation1Member_DAA702EE09C43D27D3ED952DE4954483" xlink:type="locator"/>
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<link:label id="lab_ppg_ForwardContractIndexedToIssuersEquityFairValue_982279DC0D23BA3B70BE952DE49590E0_terseLabel_en-US" xlink:label="lab_ppg_ForwardContractIndexedToIssuersEquityFairValue_982279DC0D23BA3B70BE952DE49590E0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Forward Contract Indexed To Issuers Equity Fair Value </link:label>
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<link:loc xlink:href="ppg-20171231.xsd#ppg_ForwardContractIndexedToIssuersEquityFairValue" xlink:label="loc_ppg_ForwardContractIndexedToIssuersEquityFairValue_982279DC0D23BA3B70BE952DE49590E0" xlink:type="locator"/>
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<link:label id="lab_ppg_SettlementPayablesShares_B1FC44FCBA9A04454068952DE4955A76_terseLabel_en-US" xlink:label="lab_ppg_SettlementPayablesShares_B1FC44FCBA9A04454068952DE4955A76" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Agreement to convey assets to the PC asbestos settlement trust (the Trust), shares of PPG common stock </link:label>
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<link:label id="lab_ppg_Prepaymentoffuturepretaxcashpaymentstothetrust_945ED167ADFED07694EB952DE4958FE8_terseLabel_en-US" xlink:label="lab_ppg_Prepaymentoffuturepretaxcashpaymentstothetrust_945ED167ADFED07694EB952DE4958FE8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Prepayment of future pre-tax cash payments to the trust </link:label>
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<link:label id="lab_ppg_CashPaidforAsbestosSettlementFunding_1C33D6C20EB1CBF25567952DE495C164_terseLabel_en-US" xlink:label="lab_ppg_CashPaidforAsbestosSettlementFunding_1C33D6C20EB1CBF25567952DE495C164" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash Paid for Asbestos Settlement Funding </link:label>
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<link:loc xlink:href="ppg-20171231.xsd#ppg_CashPaidforAsbestosSettlementFunding" xlink:label="loc_ppg_CashPaidforAsbestosSettlementFunding_1C33D6C20EB1CBF25567952DE495C164" xlink:type="locator"/>
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<link:label id="lab_ppg_NumberOfSitesInvolvedForEnvironmentalRemediation_0EC857593D487543822D952DE495447E_terseLabel_en-US" xlink:label="lab_ppg_NumberOfSitesInvolvedForEnvironmentalRemediation_0EC857593D487543822D952DE495447E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number Of Sites Involved For Environmental Remediation </link:label>
<link:label id="lab_ppg_NumberOfSitesInvolvedForEnvironmentalRemediation_0EC857593D487543822D952DE495447E_label_en-US" xlink:label="lab_ppg_NumberOfSitesInvolvedForEnvironmentalRemediation_0EC857593D487543822D952DE495447E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Number Of Sites Involved For Environmental Remediation </link:label>
<link:label id="lab_ppg_NumberOfSitesInvolvedForEnvironmentalRemediation_0EC857593D487543822D952DE495447E_documentation_en-US" xlink:label="lab_ppg_NumberOfSitesInvolvedForEnvironmentalRemediation_0EC857593D487543822D952DE495447E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Total number of PPG sites to be remediated under the 1990 administrative consent order. </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_NumberOfSitesInvolvedForEnvironmentalRemediation" xlink:label="loc_ppg_NumberOfSitesInvolvedForEnvironmentalRemediation_0EC857593D487543822D952DE495447E" xlink:type="locator"/>
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<link:label id="lab_us-gaap_LitigationReserve_C48D6A2B82A6759AC19F952DE49534D7_periodStartLabel_en-US" xlink:label="lab_us-gaap_LitigationReserve_C48D6A2B82A6759AC19F952DE49534D7" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Beginning balance/Prior year activity </link:label>
<link:label id="lab_us-gaap_LitigationReserve_C48D6A2B82A6759AC19F952DE49534D7_label_en-US" xlink:label="lab_us-gaap_LitigationReserve_C48D6A2B82A6759AC19F952DE49534D7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Estimated Litigation Liability </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LitigationReserve" xlink:label="loc_us-gaap_LitigationReserve_C48D6A2B82A6759AC19F952DE49534D7" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LitigationReserve_C48D6A2B82A6759AC19F952DE49534D7" xlink:to="lab_us-gaap_LitigationReserve_C48D6A2B82A6759AC19F952DE49534D7" xlink:type="arc"/>
<link:label id="lab_us-gaap_LossContingencyInformationAboutLitigationMattersAbstract_8B9AFA52461500FB1E61952DE4952BFF_terseLabel_en-US" xlink:label="lab_us-gaap_LossContingencyInformationAboutLitigationMattersAbstract_8B9AFA52461500FB1E61952DE4952BFF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Change in fair value: </link:label>
<link:label id="lab_us-gaap_LossContingencyInformationAboutLitigationMattersAbstract_8B9AFA52461500FB1E61952DE4952BFF_label_en-US" xlink:label="lab_us-gaap_LossContingencyInformationAboutLitigationMattersAbstract_8B9AFA52461500FB1E61952DE4952BFF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Loss Contingency, Information about Litigation Matters [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LossContingencyInformationAboutLitigationMattersAbstract" xlink:label="loc_us-gaap_LossContingencyInformationAboutLitigationMattersAbstract_8B9AFA52461500FB1E61952DE4952BFF" xlink:type="locator"/>
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<link:label id="lab_ppg_NetChangesInTreasuryStock_420F882EB7E0309811E9952DE495831C_negatedLabel_en-US" xlink:label="lab_ppg_NetChangesInTreasuryStock_420F882EB7E0309811E9952DE495831C" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> PPG stock </link:label>
<link:label id="lab_ppg_NetChangesInTreasuryStock_420F882EB7E0309811E9952DE495831C_label_en-US" xlink:label="lab_ppg_NetChangesInTreasuryStock_420F882EB7E0309811E9952DE495831C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Changes In Treasury Stock </link:label>
<link:label id="lab_ppg_NetChangesInTreasuryStock_420F882EB7E0309811E9952DE495831C_documentation_en-US" xlink:label="lab_ppg_NetChangesInTreasuryStock_420F882EB7E0309811E9952DE495831C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Change in fair value of PPG stock to be contributed to the Asbestos Trust. </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_NetChangesInTreasuryStock" xlink:label="loc_ppg_NetChangesInTreasuryStock_420F882EB7E0309811E9952DE495831C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ppg_NetChangesInTreasuryStock_420F882EB7E0309811E9952DE495831C" xlink:to="lab_ppg_NetChangesInTreasuryStock_420F882EB7E0309811E9952DE495831C" xlink:type="arc"/>
<link:label id="lab_ppg_ForwardContractIndexedToIssuersEquityChangeInFairValueOfContract_3948F5525DF61A70B269952DE495270B_negatedLabel_en-US" xlink:label="lab_ppg_ForwardContractIndexedToIssuersEquityChangeInFairValueOfContract_3948F5525DF61A70B269952DE495270B" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Equity forward instrument </link:label>
<link:label id="lab_ppg_ForwardContractIndexedToIssuersEquityChangeInFairValueOfContract_3948F5525DF61A70B269952DE495270B_label_en-US" xlink:label="lab_ppg_ForwardContractIndexedToIssuersEquityChangeInFairValueOfContract_3948F5525DF61A70B269952DE495270B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Forward Contract Indexed To Issuers Equity Change In Fair Value Of Contract </link:label>
<link:label id="lab_ppg_ForwardContractIndexedToIssuersEquityChangeInFairValueOfContract_3948F5525DF61A70B269952DE495270B_documentation_en-US" xlink:label="lab_ppg_ForwardContractIndexedToIssuersEquityChangeInFairValueOfContract_3948F5525DF61A70B269952DE495270B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Forward Contract Indexed to Issuers Equity, Change In Fair Value Of Contract </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_ForwardContractIndexedToIssuersEquityChangeInFairValueOfContract" xlink:label="loc_ppg_ForwardContractIndexedToIssuersEquityChangeInFairValueOfContract_3948F5525DF61A70B269952DE495270B" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ppg_ForwardContractIndexedToIssuersEquityChangeInFairValueOfContract_3948F5525DF61A70B269952DE495270B" xlink:to="lab_ppg_ForwardContractIndexedToIssuersEquityChangeInFairValueOfContract_3948F5525DF61A70B269952DE495270B" xlink:type="arc"/>
<link:label id="lab_ppg_AccretionOfInterestOnLitigationSettlements_D985AA2B3C7BF6F20E25952DE495ED54_terseLabel_en-US" xlink:label="lab_ppg_AccretionOfInterestOnLitigationSettlements_D985AA2B3C7BF6F20E25952DE495ED54" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accretion of asbestos liability </link:label>
<link:label id="lab_ppg_AccretionOfInterestOnLitigationSettlements_D985AA2B3C7BF6F20E25952DE495ED54_label_en-US" xlink:label="lab_ppg_AccretionOfInterestOnLitigationSettlements_D985AA2B3C7BF6F20E25952DE495ED54" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accretion Of Interest On Litigation Settlements </link:label>
<link:label id="lab_ppg_AccretionOfInterestOnLitigationSettlements_D985AA2B3C7BF6F20E25952DE495ED54_documentation_en-US" xlink:label="lab_ppg_AccretionOfInterestOnLitigationSettlements_D985AA2B3C7BF6F20E25952DE495ED54" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Interest cost associated with litigation settlements due to recognition of initial liability at net present value. </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_AccretionOfInterestOnLitigationSettlements" xlink:label="loc_ppg_AccretionOfInterestOnLitigationSettlements_D985AA2B3C7BF6F20E25952DE495ED54" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ppg_AccretionOfInterestOnLitigationSettlements_D985AA2B3C7BF6F20E25952DE495ED54" xlink:to="lab_ppg_AccretionOfInterestOnLitigationSettlements_D985AA2B3C7BF6F20E25952DE495ED54" xlink:type="arc"/>
<link:label id="lab_ppg_Settlementofequityforwardinstrumentwithcounterparty_C35DD1EC9B49C88861EB952DE495A8EE_terseLabel_en-US" xlink:label="lab_ppg_Settlementofequityforwardinstrumentwithcounterparty_C35DD1EC9B49C88861EB952DE495A8EE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Settlement of equity forward instrument with counterparty </link:label>
<link:label id="lab_ppg_Settlementofequityforwardinstrumentwithcounterparty_C35DD1EC9B49C88861EB952DE495A8EE_label_en-US" xlink:label="lab_ppg_Settlementofequityforwardinstrumentwithcounterparty_C35DD1EC9B49C88861EB952DE495A8EE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Settlement of equity forward instrument with counterparty </link:label>
<link:label id="lab_ppg_Settlementofequityforwardinstrumentwithcounterparty_C35DD1EC9B49C88861EB952DE495A8EE_documentation_en-US" xlink:label="lab_ppg_Settlementofequityforwardinstrumentwithcounterparty_C35DD1EC9B49C88861EB952DE495A8EE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Settlement of equity forward instrument with counterparty </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_Settlementofequityforwardinstrumentwithcounterparty" xlink:label="loc_ppg_Settlementofequityforwardinstrumentwithcounterparty_C35DD1EC9B49C88861EB952DE495A8EE" xlink:type="locator"/>
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<link:label id="lab_us-gaap_EquityMethodInvestments_F5F9C1371912BD404F25952DE4964FF3_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_EquityMethodInvestments_F5F9C1371912BD404F25952DE4964FF3" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Investment in equity affiliates </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EquityMethodInvestments" xlink:label="loc_us-gaap_EquityMethodInvestments_F5F9C1371912BD404F25952DE4964FF3" xlink:type="locator"/>
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<link:label id="lab_ppg_CompanyStockToBeContributedToAsbestosTrust_3170AA9F93A19B58FD10952DE4963D8A_terseLabel_en-US" xlink:label="lab_ppg_CompanyStockToBeContributedToAsbestosTrust_3170AA9F93A19B58FD10952DE4963D8A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Company Stock To Be Contributed To Asbestos Trust </link:label>
<link:label id="lab_ppg_CompanyStockToBeContributedToAsbestosTrust_3170AA9F93A19B58FD10952DE4963D8A_label_en-US" xlink:label="lab_ppg_CompanyStockToBeContributedToAsbestosTrust_3170AA9F93A19B58FD10952DE4963D8A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Company Stock To Be Contributed To Asbestos Trust </link:label>
<link:label id="lab_ppg_CompanyStockToBeContributedToAsbestosTrust_3170AA9F93A19B58FD10952DE4963D8A_documentation_en-US" xlink:label="lab_ppg_CompanyStockToBeContributedToAsbestosTrust_3170AA9F93A19B58FD10952DE4963D8A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Fair value of the PPG stock to be contributed to the Asbestos Trust. </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_CompanyStockToBeContributedToAsbestosTrust" xlink:label="loc_ppg_CompanyStockToBeContributedToAsbestosTrust_3170AA9F93A19B58FD10952DE4963D8A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ppg_CompanyStockToBeContributedToAsbestosTrust_3170AA9F93A19B58FD10952DE4963D8A" xlink:to="lab_ppg_CompanyStockToBeContributedToAsbestosTrust_3170AA9F93A19B58FD10952DE4963D8A" xlink:type="arc"/>
<link:label id="lab_ppg_CashContributedtothePCTrust_CC124CBC428BD755E12D952DE4963506_negatedTerseLabel_en-US" xlink:label="lab_ppg_CashContributedtothePCTrust_CC124CBC428BD755E12D952DE4963506" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Cash Contributed to the PC Trust </link:label>
<link:label id="lab_ppg_CashContributedtothePCTrust_CC124CBC428BD755E12D952DE4963506_label_en-US" xlink:label="lab_ppg_CashContributedtothePCTrust_CC124CBC428BD755E12D952DE4963506" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash Contributed to the PC Trust </link:label>
<link:label id="lab_ppg_CashContributedtothePCTrust_CC124CBC428BD755E12D952DE4963506_documentation_en-US" xlink:label="lab_ppg_CashContributedtothePCTrust_CC124CBC428BD755E12D952DE4963506" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Cash Contributed to the PC Trust </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_CashContributedtothePCTrust" xlink:label="loc_ppg_CashContributedtothePCTrust_CC124CBC428BD755E12D952DE4963506" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ppg_CashContributedtothePCTrust_CC124CBC428BD755E12D952DE4963506" xlink:to="lab_ppg_CashContributedtothePCTrust_CC124CBC428BD755E12D952DE4963506" xlink:type="arc"/>
<link:label id="lab_ppg_LongTermObligationsReclassifiedAsShortTermObligations_4721338568BC9696DC5D952DE4962B40_negatedLabel_en-US" xlink:label="lab_ppg_LongTermObligationsReclassifiedAsShortTermObligations_4721338568BC9696DC5D952DE4962B40" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Reclassification </link:label>
<link:label id="lab_ppg_LongTermObligationsReclassifiedAsShortTermObligations_4721338568BC9696DC5D952DE4962B40_label_en-US" xlink:label="lab_ppg_LongTermObligationsReclassifiedAsShortTermObligations_4721338568BC9696DC5D952DE4962B40" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long Term Obligations Reclassified As Short Term Obligations </link:label>
<link:label id="lab_ppg_LongTermObligationsReclassifiedAsShortTermObligations_4721338568BC9696DC5D952DE4962B40_documentation_en-US" xlink:label="lab_ppg_LongTermObligationsReclassifiedAsShortTermObligations_4721338568BC9696DC5D952DE4962B40" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Long Term Obligations Reclassified as Short Term Obligations </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_LongTermObligationsReclassifiedAsShortTermObligations" xlink:label="loc_ppg_LongTermObligationsReclassifiedAsShortTermObligations_4721338568BC9696DC5D952DE4962B40" xlink:type="locator"/>
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<link:label id="lab_us-gaap_LitigationReserve_CF9D7EAE983ABCABF710952DE496A1A5_periodEndLabel_en-US" xlink:label="lab_us-gaap_LitigationReserve_CF9D7EAE983ABCABF710952DE496A1A5" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Ending balance/Activity during year </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LitigationReserve" xlink:label="loc_us-gaap_LitigationReserve_CF9D7EAE983ABCABF710952DE496A1A5" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LitigationReserve_CF9D7EAE983ABCABF710952DE496A1A5" xlink:to="lab_us-gaap_LitigationReserve_CF9D7EAE983ABCABF710952DE496A1A5" xlink:type="arc"/>
<link:label id="lab_us-gaap_InsuranceSettlementsReceivable_A3FAD32367704651C861952DE496FF31_terseLabel_en-US" xlink:label="lab_us-gaap_InsuranceSettlementsReceivable_A3FAD32367704651C861952DE496FF31" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Future cash payments to the Trust by PPG's participating historical insurance carriers </link:label>
<link:label id="lab_us-gaap_InsuranceSettlementsReceivable_A3FAD32367704651C861952DE496FF31_label_en-US" xlink:label="lab_us-gaap_InsuranceSettlementsReceivable_A3FAD32367704651C861952DE496FF31" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Insurance Settlements Receivable </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_InsuranceSettlementsReceivable" xlink:label="loc_us-gaap_InsuranceSettlementsReceivable_A3FAD32367704651C861952DE496FF31" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InsuranceSettlementsReceivable_A3FAD32367704651C861952DE496FF31" xlink:to="lab_us-gaap_InsuranceSettlementsReceivable_A3FAD32367704651C861952DE496FF31" xlink:type="arc"/>
<link:label id="lab_ppg_SettlementPrepaymentDiscountRate_322E26961CA27A8C4B2C952DE4964273_terseLabel_en-US" xlink:label="lab_ppg_SettlementPrepaymentDiscountRate_322E26961CA27A8C4B2C952DE4964273" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Future PPG cash payments to the Trust, prepayment discount rate </link:label>
<link:label id="lab_ppg_SettlementPrepaymentDiscountRate_322E26961CA27A8C4B2C952DE4964273_label_en-US" xlink:label="lab_ppg_SettlementPrepaymentDiscountRate_322E26961CA27A8C4B2C952DE4964273" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Settlement Prepayment Discount Rate </link:label>
<link:label id="lab_ppg_SettlementPrepaymentDiscountRate_322E26961CA27A8C4B2C952DE4964273_documentation_en-US" xlink:label="lab_ppg_SettlementPrepaymentDiscountRate_322E26961CA27A8C4B2C952DE4964273" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Discount rate to be applied to any pre-payments made by PPG to the asbestos Trust. </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_SettlementPrepaymentDiscountRate" xlink:label="loc_ppg_SettlementPrepaymentDiscountRate_322E26961CA27A8C4B2C952DE4964273" xlink:type="locator"/>
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<link:label id="lab_ppg_OtherReserves_D8B3C7B986951EF2AB10952DE496E22E_terseLabel_en-US" xlink:label="lab_ppg_OtherReserves_D8B3C7B986951EF2AB10952DE496E22E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other Reserves </link:label>
<link:label id="lab_ppg_OtherReserves_D8B3C7B986951EF2AB10952DE496E22E_label_en-US" xlink:label="lab_ppg_OtherReserves_D8B3C7B986951EF2AB10952DE496E22E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Reserves </link:label>
<link:label id="lab_ppg_OtherReserves_D8B3C7B986951EF2AB10952DE496E22E_documentation_en-US" xlink:label="lab_ppg_OtherReserves_D8B3C7B986951EF2AB10952DE496E22E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Difference between the 2nd and 3rd amended PC plan of re-organization in cash to be contributed to the Trust by PPG which has been established as a reserve for asbestos-related claims that will not be channeled to the Trust. </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_OtherReserves" xlink:label="loc_ppg_OtherReserves_D8B3C7B986951EF2AB10952DE496E22E" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ppg_OtherReserves_D8B3C7B986951EF2AB10952DE496E22E" xlink:to="lab_ppg_OtherReserves_D8B3C7B986951EF2AB10952DE496E22E" xlink:type="arc"/>
<link:label id="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_F8955B76AE007856F1808B4CD813821B_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_F8955B76AE007856F1808B4CD813821B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] </link:label>
<link:label id="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_F8955B76AE007856F1808B4CD813821B_label_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_F8955B76AE007856F1808B4CD813821B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_F8955B76AE007856F1808B4CD813821B" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AwardTypeAxis_C1E08DDAE35E15416DDE8B4CD813B18C_terseLabel_en-US" xlink:label="lab_us-gaap_AwardTypeAxis_C1E08DDAE35E15416DDE8B4CD813B18C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Award Type [Axis] </link:label>
<link:label id="lab_us-gaap_AwardTypeAxis_C1E08DDAE35E15416DDE8B4CD813B18C_label_en-US" xlink:label="lab_us-gaap_AwardTypeAxis_C1E08DDAE35E15416DDE8B4CD813B18C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Award Type [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_C1E08DDAE35E15416DDE8B4CD813B18C" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_D826E12F0571BA51E0B68B4CD81385DA_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_D826E12F0571BA51E0B68B4CD81385DA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Award Type [Domain] </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_D826E12F0571BA51E0B68B4CD81385DA_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_D826E12F0571BA51E0B68B4CD81385DA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Equity Award [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_D826E12F0571BA51E0B68B4CD81385DA" xlink:type="locator"/>
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<link:label id="lab_us-gaap_EmployeeStockOptionMember_28E277B73D7CD804FEF98B4CD813D4AB_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeStockOptionMember_28E277B73D7CD804FEF98B4CD813D4AB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Employee Stock Option </link:label>
<link:label id="lab_us-gaap_EmployeeStockOptionMember_28E277B73D7CD804FEF98B4CD813D4AB_label_en-US" xlink:label="lab_us-gaap_EmployeeStockOptionMember_28E277B73D7CD804FEF98B4CD813D4AB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Employee Stock Option [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EmployeeStockOptionMember" xlink:label="loc_us-gaap_EmployeeStockOptionMember_28E277B73D7CD804FEF98B4CD813D4AB" xlink:type="locator"/>
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<link:label id="lab_us-gaap_RestrictedStockUnitsRSUMember_AA565CB5372B162BE45B8B4CD81329B9_terseLabel_en-US" xlink:label="lab_us-gaap_RestrictedStockUnitsRSUMember_AA565CB5372B162BE45B8B4CD81329B9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Restricted Stock Units (RSUs) </link:label>
<link:label id="lab_us-gaap_RestrictedStockUnitsRSUMember_AA565CB5372B162BE45B8B4CD81329B9_label_en-US" xlink:label="lab_us-gaap_RestrictedStockUnitsRSUMember_AA565CB5372B162BE45B8B4CD81329B9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Restricted Stock Units (RSUs) [Member] </link:label>
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<link:label id="lab_us-gaap_StockCompensationPlanMember_1E7262090A3EE6A929BA8B4CD81371D0_terseLabel_en-US" xlink:label="lab_us-gaap_StockCompensationPlanMember_1E7262090A3EE6A929BA8B4CD81371D0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Contingent Share Grants </link:label>
<link:label id="lab_us-gaap_StockCompensationPlanMember_1E7262090A3EE6A929BA8B4CD81371D0_label_en-US" xlink:label="lab_us-gaap_StockCompensationPlanMember_1E7262090A3EE6A929BA8B4CD81371D0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stock Compensation Plan [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockCompensationPlanMember" xlink:label="loc_us-gaap_StockCompensationPlanMember_1E7262090A3EE6A929BA8B4CD81371D0" xlink:type="locator"/>
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<link:label id="lab_us-gaap_EmployeeStockOwnershipPlanESOPDisclosuresByPlanAxis_380F92827EFEDA15EB788B4CD813E24E_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeStockOwnershipPlanESOPDisclosuresByPlanAxis_380F92827EFEDA15EB788B4CD813E24E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Employee Stock Ownership Plan (ESOP) Disclosures, by Plan [Axis] </link:label>
<link:label id="lab_us-gaap_EmployeeStockOwnershipPlanESOPDisclosuresByPlanAxis_380F92827EFEDA15EB788B4CD813E24E_label_en-US" xlink:label="lab_us-gaap_EmployeeStockOwnershipPlanESOPDisclosuresByPlanAxis_380F92827EFEDA15EB788B4CD813E24E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Employee Stock Ownership Plan (ESOP) Name [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EmployeeStockOwnershipPlanESOPDisclosuresByPlanAxis" xlink:label="loc_us-gaap_EmployeeStockOwnershipPlanESOPDisclosuresByPlanAxis_380F92827EFEDA15EB788B4CD813E24E" xlink:type="locator"/>
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<link:label id="lab_us-gaap_EmployeeStockOwnershipPlanESOPPlanDomain_3C0A1EC799E7095F69E78B4CD813BCBC_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeStockOwnershipPlanESOPPlanDomain_3C0A1EC799E7095F69E78B4CD813BCBC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Employee Stock Ownership Plan (ESOP), Plan [Domain] </link:label>
<link:label id="lab_us-gaap_EmployeeStockOwnershipPlanESOPPlanDomain_3C0A1EC799E7095F69E78B4CD813BCBC_label_en-US" xlink:label="lab_us-gaap_EmployeeStockOwnershipPlanESOPPlanDomain_3C0A1EC799E7095F69E78B4CD813BCBC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Employee Stock Ownership Plan (ESOP), Plan [Domain] </link:label>
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<link:label id="lab_ppg_PerformancePeriodTwentyThirteenToTwentyFifteenMemberDomain_9EE11B7989D5FCC9BE298B4CD813E9D0_terseLabel_en-US" xlink:label="lab_ppg_PerformancePeriodTwentyThirteenToTwentyFifteenMemberDomain_9EE11B7989D5FCC9BE298B4CD813E9D0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Performance Period Twenty Thirteen To Twenty Fifteen [Member] [Domain] </link:label>
<link:label id="lab_ppg_PerformancePeriodTwentyThirteenToTwentyFifteenMemberDomain_9EE11B7989D5FCC9BE298B4CD813E9D0_label_en-US" xlink:label="lab_ppg_PerformancePeriodTwentyThirteenToTwentyFifteenMemberDomain_9EE11B7989D5FCC9BE298B4CD813E9D0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Performance Period Twenty Thirteen To Twenty Fifteen [Member] [Domain] </link:label>
<link:label id="lab_ppg_PerformancePeriodTwentyThirteenToTwentyFifteenMemberDomain_9EE11B7989D5FCC9BE298B4CD813E9D0_documentation_en-US" xlink:label="lab_ppg_PerformancePeriodTwentyThirteenToTwentyFifteenMemberDomain_9EE11B7989D5FCC9BE298B4CD813E9D0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Performance Period Twenty Thirteen To Twenty Fifteen [Member] [Domain] </link:label>
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<link:label id="lab_ppg_PerformancePeriodTwentyFourteentoTwentySixteenDomain_603EBDD2106F014F2BCB8B4CD813A936_terseLabel_en-US" xlink:label="lab_ppg_PerformancePeriodTwentyFourteentoTwentySixteenDomain_603EBDD2106F014F2BCB8B4CD813A936" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Performance Period Twenty Fourteen to Twenty Sixteen [Domain] </link:label>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_19DCC113EE18CF71D19E8B4CD8134F14_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_19DCC113EE18CF71D19E8B4CD8134F14" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award [Line Items] </link:label>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationDescriptionAndTerms_8A21FE87C40061C7480C8B4CD813CD5E_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationDescriptionAndTerms_8A21FE87C40061C7480C8B4CD813CD5E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Plan Modification, Description and Terms </link:label>
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<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationDescriptionAndTerms" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationDescriptionAndTerms_8A21FE87C40061C7480C8B4CD813CD5E" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_248DF28B68F50ADFC7FC8B4CD813198B_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_248DF28B68F50ADFC7FC8B4CD813198B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Shares available for future grants under the PPG Omnibus Plan </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_248DF28B68F50ADFC7FC8B4CD813198B_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_248DF28B68F50ADFC7FC8B4CD813198B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_248DF28B68F50ADFC7FC8B4CD813198B" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ShareBasedCompensation_2100F3886515179365108B4CD8134381_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensation_2100F3886515179365108B4CD8134381" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stock-based compensation expense </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensation_2100F3886515179365108B4CD8134381_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensation_2100F3886515179365108B4CD8134381" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation </link:label>
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<link:label id="lab_us-gaap_DeferredTaxExpenseFromStockOptionsExercised_E5E803871371D15B32D38B4CD813ADA6_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredTaxExpenseFromStockOptionsExercised_E5E803871371D15B32D38B4CD813ADA6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Total income tax benefit recognized related to the stock-based compensation </link:label>
<link:label id="lab_us-gaap_DeferredTaxExpenseFromStockOptionsExercised_E5E803871371D15B32D38B4CD813ADA6_label_en-US" xlink:label="lab_us-gaap_DeferredTaxExpenseFromStockOptionsExercised_E5E803871371D15B32D38B4CD813ADA6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred Tax Expense from Stock Options Exercised </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DeferredTaxExpenseFromStockOptionsExercised" xlink:label="loc_us-gaap_DeferredTaxExpenseFromStockOptionsExercised_E5E803871371D15B32D38B4CD813ADA6" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_89E756DADC3DC283771F8B4CD8138C40_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_89E756DADC3DC283771F8B4CD8138C40" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Award vesting period </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_89E756DADC3DC283771F8B4CD8138C40_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_89E756DADC3DC283771F8B4CD8138C40" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_89E756DADC3DC283771F8B4CD8138C40" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_89E756DADC3DC283771F8B4CD8138C40" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_89E756DADC3DC283771F8B4CD8138C40" xlink:type="arc"/>
<link:label id="lab_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2_384B36174EC3299D97EE8B4CD8134B29_terseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2_384B36174EC3299D97EE8B4CD8134B29" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Maximum term of the outstanding stock options for the PPG Omnibus Plan and the PPG Stock Plan for certain employees </link:label>
<link:label id="lab_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2_384B36174EC3299D97EE8B4CD8134B29_label_en-US" xlink:label="lab_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2_384B36174EC3299D97EE8B4CD8134B29" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Remaining Contractual Term </link:label>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_B05DA9F219FC688571248B4CD813AC16_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_B05DA9F219FC688571248B4CD813AC16" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Weighted average fair value of options granted (in dollars per share) </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_B05DA9F219FC688571248B4CD813AC16_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_B05DA9F219FC688571248B4CD813AC16" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_B05DA9F219FC688571248B4CD813AC16" xlink:type="locator"/>
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<link:label id="lab_ppg_ShareBasedCompensationArrangementByShareBasedPaymentAwardTargetAward_5E609C847BA3BD5270FD8B4CD8131F9A_terseLabel_en-US" xlink:label="lab_ppg_ShareBasedCompensationArrangementByShareBasedPaymentAwardTargetAward_5E609C847BA3BD5270FD8B4CD8131F9A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Percentage of the target award that is paid based on performance </link:label>
<link:label id="lab_ppg_ShareBasedCompensationArrangementByShareBasedPaymentAwardTargetAward_5E609C847BA3BD5270FD8B4CD8131F9A_label_en-US" xlink:label="lab_ppg_ShareBasedCompensationArrangementByShareBasedPaymentAwardTargetAward_5E609C847BA3BD5270FD8B4CD8131F9A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share Based Compensation Arrangement By Share Based Payment Award Target Award </link:label>
<link:label id="lab_ppg_ShareBasedCompensationArrangementByShareBasedPaymentAwardTargetAward_5E609C847BA3BD5270FD8B4CD8131F9A_documentation_en-US" xlink:label="lab_ppg_ShareBasedCompensationArrangementByShareBasedPaymentAwardTargetAward_5E609C847BA3BD5270FD8B4CD8131F9A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Share Based Compensation Arrangement by Share Based Payment Award, Target Award </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_ShareBasedCompensationArrangementByShareBasedPaymentAwardTargetAward" xlink:label="loc_ppg_ShareBasedCompensationArrangementByShareBasedPaymentAwardTargetAward_5E609C847BA3BD5270FD8B4CD8131F9A" xlink:type="locator"/>
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<link:label id="lab_ppg_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingPercentage_B67D92DE9944111DB13F8B4CD813E522_terseLabel_en-US" xlink:label="lab_ppg_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingPercentage_B67D92DE9944111DB13F8B4CD813E522" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Percentage of the target award that is assumed to vest for the purposes of expense recognition </link:label>
<link:label id="lab_ppg_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingPercentage_B67D92DE9944111DB13F8B4CD813E522_label_en-US" xlink:label="lab_ppg_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingPercentage_B67D92DE9944111DB13F8B4CD813E522" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share Based Compensation Arrangement By Share Based Payment Award Vesting Percentage </link:label>
<link:label id="lab_ppg_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingPercentage_B67D92DE9944111DB13F8B4CD813E522_documentation_en-US" xlink:label="lab_ppg_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingPercentage_B67D92DE9944111DB13F8B4CD813E522" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Share Based Compensation Arrangement by Share based Payment Award, Vesting Percentage </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingPercentage" xlink:label="loc_ppg_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingPercentage_B67D92DE9944111DB13F8B4CD813E522" xlink:type="locator"/>
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<link:label id="lab_ppg_PerformanceSharePayout_446B75B08978C3F934488B4CD813D5AD_terseLabel_en-US" xlink:label="lab_ppg_PerformanceSharePayout_446B75B08978C3F934488B4CD813D5AD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Earned payout if the target performance is achieved </link:label>
<link:label id="lab_ppg_PerformanceSharePayout_446B75B08978C3F934488B4CD813D5AD_label_en-US" xlink:label="lab_ppg_PerformanceSharePayout_446B75B08978C3F934488B4CD813D5AD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Performance Share Payout </link:label>
<link:label id="lab_ppg_PerformanceSharePayout_446B75B08978C3F934488B4CD813D5AD_documentation_en-US" xlink:label="lab_ppg_PerformanceSharePayout_446B75B08978C3F934488B4CD813D5AD" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Performance Share Payout </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_PerformanceSharePayout" xlink:label="loc_ppg_PerformanceSharePayout_446B75B08978C3F934488B4CD813D5AD" xlink:type="locator"/>
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<link:label id="lab_ppg_NumberOfPerformanceTargetsMet_1BD6785CD82A6428FB7B8B4CD8130B68_terseLabel_en-US" xlink:label="lab_ppg_NumberOfPerformanceTargetsMet_1BD6785CD82A6428FB7B8B4CD8130B68" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of performance targets met </link:label>
<link:label id="lab_ppg_NumberOfPerformanceTargetsMet_1BD6785CD82A6428FB7B8B4CD8130B68_label_en-US" xlink:label="lab_ppg_NumberOfPerformanceTargetsMet_1BD6785CD82A6428FB7B8B4CD8130B68" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Number Of Performance Targets Met </link:label>
<link:label id="lab_ppg_NumberOfPerformanceTargetsMet_1BD6785CD82A6428FB7B8B4CD8130B68_documentation_en-US" xlink:label="lab_ppg_NumberOfPerformanceTargetsMet_1BD6785CD82A6428FB7B8B4CD8130B68" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Number Of Performance Targets Met </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_NumberOfPerformanceTargetsMet" xlink:label="loc_ppg_NumberOfPerformanceTargetsMet_1BD6785CD82A6428FB7B8B4CD8130B68" xlink:type="locator"/>
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<link:label id="lab_ppg_NumberOfPerformanceTargets_B0703FA9D56A4590FC0C8B4CD813BE9A_terseLabel_en-US" xlink:label="lab_ppg_NumberOfPerformanceTargets_B0703FA9D56A4590FC0C8B4CD813BE9A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of performance targets </link:label>
<link:label id="lab_ppg_NumberOfPerformanceTargets_B0703FA9D56A4590FC0C8B4CD813BE9A_label_en-US" xlink:label="lab_ppg_NumberOfPerformanceTargets_B0703FA9D56A4590FC0C8B4CD813BE9A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Number Of Performance Targets </link:label>
<link:label id="lab_ppg_NumberOfPerformanceTargets_B0703FA9D56A4590FC0C8B4CD813BE9A_documentation_en-US" xlink:label="lab_ppg_NumberOfPerformanceTargets_B0703FA9D56A4590FC0C8B4CD813BE9A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Number of Performance Targets </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_NumberOfPerformanceTargets" xlink:label="loc_ppg_NumberOfPerformanceTargets_B0703FA9D56A4590FC0C8B4CD813BE9A" xlink:type="locator"/>
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<link:label id="lab_us-gaap_OtherIncomeAndExpensesAbstract_A5E5A6B06CD281E6BB162A2B6E9DCFF2_label_en-US" xlink:label="lab_us-gaap_OtherIncomeAndExpensesAbstract_A5E5A6B06CD281E6BB162A2B6E9DCFF2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Income and Expenses [Abstract] </link:label>
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<link:label id="lab_us-gaap_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock_E37FEDCC2BF2374C93A32A2B6E9D8825_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock_E37FEDCC2BF2374C93A32A2B6E9D8825" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Components of Other Earnings </link:label>
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<link:label id="lab_us-gaap_ScenarioForecastMember_96C3556A5CFE7F1FBF1999F3FC79EEF5_label_en-US" xlink:label="lab_us-gaap_ScenarioForecastMember_96C3556A5CFE7F1FBF1999F3FC79EEF5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Scenario, Forecast [Member] </link:label>
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<link:label id="lab_us-gaap_SegmentReportingInformationLineItems_19F0B50AD423498F526799F3FC79F5CB_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentReportingInformationLineItems_19F0B50AD423498F526799F3FC79F5CB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Segment Reporting Information [Line Items] </link:label>
<link:label id="lab_us-gaap_SegmentReportingInformationLineItems_19F0B50AD423498F526799F3FC79F5CB_label_en-US" xlink:label="lab_us-gaap_SegmentReportingInformationLineItems_19F0B50AD423498F526799F3FC79F5CB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Segment Reporting Information [Line Items] </link:label>
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<link:label id="lab_us-gaap_NumberOfOperatingSegments_0FEB68CAD6C4C3924E2E99F3FC79CF2C_terseLabel_en-US" xlink:label="lab_us-gaap_NumberOfOperatingSegments_0FEB68CAD6C4C3924E2E99F3FC79CF2C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of PPG operating segments </link:label>
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<link:label id="lab_ppg_NumberOfReportableBusinessSegments_75568455FE67A21616E399F3FC792810_terseLabel_en-US" xlink:label="lab_ppg_NumberOfReportableBusinessSegments_75568455FE67A21616E399F3FC792810" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of PPG reportable business segments, based on economic similarities, the nature of their products, production processes, end-use markets and methods of distribution </link:label>
<link:label id="lab_ppg_NumberOfReportableBusinessSegments_75568455FE67A21616E399F3FC792810_label_en-US" xlink:label="lab_ppg_NumberOfReportableBusinessSegments_75568455FE67A21616E399F3FC792810" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Number Of Reportable Business Segments </link:label>
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<link:label id="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_7412B053BF9F07B42BCC2A2B70E6C2F9_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_7412B053BF9F07B42BCC2A2B70E6C2F9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Goodwill and Other Identifiable Intangible Assets </link:label>
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<link:label id="lab_us-gaap_RealEstateMember_C2C4391B505CC86E62D28F8A3852387C_verboseLabel_en-US" xlink:label="lab_us-gaap_RealEstateMember_C2C4391B505CC86E62D28F8A3852387C" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Real Estate </link:label>
<link:label id="lab_us-gaap_RealEstateMember_C2C4391B505CC86E62D28F8A3852387C_label_en-US" xlink:label="lab_us-gaap_RealEstateMember_C2C4391B505CC86E62D28F8A3852387C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Real Estate [Member] </link:label>
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<link:label id="lab_ppg_OtherPlanAssetsMember_F42DC99D041A6F23FF128F8A385264B2_terseLabel_en-US" xlink:label="lab_ppg_OtherPlanAssetsMember_F42DC99D041A6F23FF128F8A385264B2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other </link:label>
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<link:label id="lab_us-gaap_DefinedBenefitPlanAssetsTargetAllocationsAbstract_7422590331F670A4A1ED8F8A3852EFE2_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAssetsTargetAllocationsAbstract_7422590331F670A4A1ED8F8A3852EFE2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Asset Category </link:label>
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<link:label id="lab_ppg_HedgeFundsAndOtherAssetsMember_3225C224CD5939915C8894FEF29C26F3_terseLabel_en-US" xlink:label="lab_ppg_HedgeFundsAndOtherAssetsMember_3225C224CD5939915C8894FEF29C26F3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Hedge Funds and Other Assets </link:label>
<link:label id="lab_ppg_HedgeFundsAndOtherAssetsMember_3225C224CD5939915C8894FEF29C26F3_label_en-US" xlink:label="lab_ppg_HedgeFundsAndOtherAssetsMember_3225C224CD5939915C8894FEF29C26F3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Hedge Funds And Other Assets [Member] </link:label>
<link:label id="lab_ppg_HedgeFundsAndOtherAssetsMember_3225C224CD5939915C8894FEF29C26F3_documentation_en-US" xlink:label="lab_ppg_HedgeFundsAndOtherAssetsMember_3225C224CD5939915C8894FEF29C26F3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Hedge Funds and Other Assets [Member] </link:label>
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<link:label id="lab_us-gaap_DefinedBenefitPlanActualReturnOnPlanAssetsStillHeld_DE3561C5BE752FAE4E8194FEF29C641E_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanActualReturnOnPlanAssetsStillHeld_DE3561C5BE752FAE4E8194FEF29C641E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Unrealized losses </link:label>
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<link:label id="lab_us-gaap_DefinedBenefitPlanTransfersBetweenMeasurementLevels_66E09BFF4894A6482ACF94FEF29C72EC_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanTransfersBetweenMeasurementLevels_66E09BFF4894A6482ACF94FEF29C72EC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Transfers (out)/in </link:label>
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<link:label id="lab_us-gaap_DefinedBenefitPlanForeignCurrencyExchangeRateChangesPlanAssets_16FB0EC8550B7310EB3594FEF29C3CDB_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanForeignCurrencyExchangeRateChangesPlanAssets_16FB0EC8550B7310EB3594FEF29C3CDB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Foreign currency losses </link:label>
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<link:label id="lab_us-gaap_IncomeTaxDisclosureTextBlock_A6C35A6920A9E3AE0D7B2A2B6ED5034C_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxDisclosureTextBlock_A6C35A6920A9E3AE0D7B2A2B6ED5034C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income Taxes </link:label>
<link:label id="lab_us-gaap_IncomeTaxDisclosureTextBlock_A6C35A6920A9E3AE0D7B2A2B6ED5034C_label_en-US" xlink:label="lab_us-gaap_IncomeTaxDisclosureTextBlock_A6C35A6920A9E3AE0D7B2A2B6ED5034C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Tax Disclosure [Text Block] </link:label>
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<link:label id="lab_ppg_PensionAndOtherPostretirementBenefitsDisclosureTable_B8EC32DB5EDEFD73E2F199FF3C7593AF_terseLabel_en-US" xlink:label="lab_ppg_PensionAndOtherPostretirementBenefitsDisclosureTable_B8EC32DB5EDEFD73E2F199FF3C7593AF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Pension and Other Postretirement Benefits Disclosure [Table] </link:label>
<link:label id="lab_ppg_PensionAndOtherPostretirementBenefitsDisclosureTable_B8EC32DB5EDEFD73E2F199FF3C7593AF_label_en-US" xlink:label="lab_ppg_PensionAndOtherPostretirementBenefitsDisclosureTable_B8EC32DB5EDEFD73E2F199FF3C7593AF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Pension And Other Postretirement Benefits Disclosure [Table] </link:label>
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<link:label id="lab_ppg_UnitedStatesCanadaNetherlandsAndUnitedKingdomMember_672C1D89E0A1DC7D09D099FF3C7B7A56_terseLabel_en-US" xlink:label="lab_ppg_UnitedStatesCanadaNetherlandsAndUnitedKingdomMember_672C1D89E0A1DC7D09D099FF3C7B7A56" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> United States, Canada, Netherlands and United Kingdom </link:label>
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<link:label id="lab_ppg_FlatGlassBusinessMember_8575584C4A70B34E4AB299FF3C7B3E99_terseLabel_en-US" xlink:label="lab_ppg_FlatGlassBusinessMember_8575584C4A70B34E4AB299FF3C7B3E99" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Flat Glass Business [Member] </link:label>
<link:label id="lab_ppg_FlatGlassBusinessMember_8575584C4A70B34E4AB299FF3C7B3E99_label_en-US" xlink:label="lab_ppg_FlatGlassBusinessMember_8575584C4A70B34E4AB299FF3C7B3E99" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Flat Glass Business [Member] </link:label>
<link:label id="lab_ppg_FlatGlassBusinessMember_8575584C4A70B34E4AB299FF3C7B3E99_documentation_en-US" xlink:label="lab_ppg_FlatGlassBusinessMember_8575584C4A70B34E4AB299FF3C7B3E99" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Flat Glass Business [Member] </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_FlatGlassBusinessMember" xlink:label="loc_ppg_FlatGlassBusinessMember_8575584C4A70B34E4AB299FF3C7B3E99" xlink:type="locator"/>
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<link:label id="lab_ppg_EuropeanFiberGlassMember_0B7612B651EE07D4B91499FF3C7BA9F0_terseLabel_en-US" xlink:label="lab_ppg_EuropeanFiberGlassMember_0B7612B651EE07D4B91499FF3C7BA9F0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> European Fiber Glass [Member] </link:label>
<link:label id="lab_ppg_EuropeanFiberGlassMember_0B7612B651EE07D4B91499FF3C7BA9F0_label_en-US" xlink:label="lab_ppg_EuropeanFiberGlassMember_0B7612B651EE07D4B91499FF3C7BA9F0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> European Fiber Glass [Member] </link:label>
<link:label id="lab_ppg_EuropeanFiberGlassMember_0B7612B651EE07D4B91499FF3C7BA9F0_documentation_en-US" xlink:label="lab_ppg_EuropeanFiberGlassMember_0B7612B651EE07D4B91499FF3C7BA9F0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> European Fiber Glass [Member] </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_EuropeanFiberGlassMember" xlink:label="loc_ppg_EuropeanFiberGlassMember_0B7612B651EE07D4B91499FF3C7BA9F0" xlink:type="locator"/>
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<link:label id="lab_ppg_GlassSegmentMember_9B5D4188AA1E2EBFDAB399FF3C7B46CD_terseLabel_en-US" xlink:label="lab_ppg_GlassSegmentMember_9B5D4188AA1E2EBFDAB399FF3C7B46CD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Glass Segment [Member] </link:label>
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<link:label id="lab_us-gaap_IncomeStatementLocationAxis_5366C6B154A04F61A4C099FF3C7B698C_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeStatementLocationAxis_5366C6B154A04F61A4C099FF3C7B698C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income Statement Location [Axis] </link:label>
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<link:label id="lab_us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember_BC7087B400F2D847F76B99FF3C7B815D_terseLabel_en-US" xlink:label="lab_us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember_BC7087B400F2D847F76B99FF3C7B815D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> United States Pension Plans of US Entity, Defined Benefit </link:label>
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<link:label id="lab_us-gaap_ForeignPensionPlansDefinedBenefitMember_09B8B1A7DE1D0450F2D699FF3C7BF9AF_terseLabel_en-US" xlink:label="lab_us-gaap_ForeignPensionPlansDefinedBenefitMember_09B8B1A7DE1D0450F2D699FF3C7BF9AF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Foreign Pension Plan </link:label>
<link:label id="lab_us-gaap_ForeignPensionPlansDefinedBenefitMember_09B8B1A7DE1D0450F2D699FF3C7BF9AF_label_en-US" xlink:label="lab_us-gaap_ForeignPensionPlansDefinedBenefitMember_09B8B1A7DE1D0450F2D699FF3C7BF9AF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Foreign Pension Plan [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ForeignPensionPlansDefinedBenefitMember" xlink:label="loc_us-gaap_ForeignPensionPlansDefinedBenefitMember_09B8B1A7DE1D0450F2D699FF3C7BF9AF" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ForeignPensionPlansDefinedBenefitMember_09B8B1A7DE1D0450F2D699FF3C7BF9AF" xlink:to="lab_us-gaap_ForeignPensionPlansDefinedBenefitMember_09B8B1A7DE1D0450F2D699FF3C7BF9AF" xlink:type="arc"/>
<link:label id="lab_ppg_U.S.QualifiedPensionPlanMember_ECC6887B3236758DF6BC99FF3C7CCEF0_terseLabel_en-US" xlink:label="lab_ppg_U.S.QualifiedPensionPlanMember_ECC6887B3236758DF6BC99FF3C7CCEF0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> U.S. Qualified Pension Plan [Member] </link:label>
<link:label id="lab_ppg_U.S.QualifiedPensionPlanMember_ECC6887B3236758DF6BC99FF3C7CCEF0_label_en-US" xlink:label="lab_ppg_U.S.QualifiedPensionPlanMember_ECC6887B3236758DF6BC99FF3C7CCEF0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> U.S. Qualified Pension Plan [Member] </link:label>
<link:label id="lab_ppg_U.S.QualifiedPensionPlanMember_ECC6887B3236758DF6BC99FF3C7CCEF0_documentation_en-US" xlink:label="lab_ppg_U.S.QualifiedPensionPlanMember_ECC6887B3236758DF6BC99FF3C7CCEF0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> U.S. Qualified Pension Plan [Member] </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_U.S.QualifiedPensionPlanMember" xlink:label="loc_ppg_U.S.QualifiedPensionPlanMember_ECC6887B3236758DF6BC99FF3C7CCEF0" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ppg_U.S.QualifiedPensionPlanMember_ECC6887B3236758DF6BC99FF3C7CCEF0" xlink:to="lab_ppg_U.S.QualifiedPensionPlanMember_ECC6887B3236758DF6BC99FF3C7CCEF0" xlink:type="arc"/>
<link:label id="lab_ppg_U.S.NonqualifiedPlanMember_FE10F5A48D19E061327999FF3C7C9701_terseLabel_en-US" xlink:label="lab_ppg_U.S.NonqualifiedPlanMember_FE10F5A48D19E061327999FF3C7C9701" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> U.S. Non-qualified Plan [Member] </link:label>
<link:label id="lab_ppg_U.S.NonqualifiedPlanMember_FE10F5A48D19E061327999FF3C7C9701_label_en-US" xlink:label="lab_ppg_U.S.NonqualifiedPlanMember_FE10F5A48D19E061327999FF3C7C9701" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> U.S. Non-qualified Plan [Member] </link:label>
<link:label id="lab_ppg_U.S.NonqualifiedPlanMember_FE10F5A48D19E061327999FF3C7C9701_documentation_en-US" xlink:label="lab_ppg_U.S.NonqualifiedPlanMember_FE10F5A48D19E061327999FF3C7C9701" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> U.S. Non-qualified Plan [Member] </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_U.S.NonqualifiedPlanMember" xlink:label="loc_ppg_U.S.NonqualifiedPlanMember_FE10F5A48D19E061327999FF3C7C9701" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ppg_U.S.NonqualifiedPlanMember_FE10F5A48D19E061327999FF3C7C9701" xlink:to="lab_ppg_U.S.NonqualifiedPlanMember_FE10F5A48D19E061327999FF3C7C9701" xlink:type="arc"/>
<link:label id="lab_ppg_WelfareBenefitsU.S.andCanadaMember_4AD3AAA462BEB11168DA99FF3C7C4934_terseLabel_en-US" xlink:label="lab_ppg_WelfareBenefitsU.S.andCanadaMember_4AD3AAA462BEB11168DA99FF3C7C4934" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Welfare Benefits - U.S. and Canada </link:label>
<link:label id="lab_ppg_WelfareBenefitsU.S.andCanadaMember_4AD3AAA462BEB11168DA99FF3C7C4934_label_en-US" xlink:label="lab_ppg_WelfareBenefitsU.S.andCanadaMember_4AD3AAA462BEB11168DA99FF3C7C4934" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Welfare Benefits - U.S. and Canada [Member] </link:label>
<link:label id="lab_ppg_WelfareBenefitsU.S.andCanadaMember_4AD3AAA462BEB11168DA99FF3C7C4934_documentation_en-US" xlink:label="lab_ppg_WelfareBenefitsU.S.andCanadaMember_4AD3AAA462BEB11168DA99FF3C7C4934" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Welfare Benefits - U.S. and Canada [Member] </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_WelfareBenefitsU.S.andCanadaMember" xlink:label="loc_ppg_WelfareBenefitsU.S.andCanadaMember_4AD3AAA462BEB11168DA99FF3C7C4934" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ppg_WelfareBenefitsU.S.andCanadaMember_4AD3AAA462BEB11168DA99FF3C7C4934" xlink:to="lab_ppg_WelfareBenefitsU.S.andCanadaMember_4AD3AAA462BEB11168DA99FF3C7C4934" xlink:type="arc"/>
<link:label id="lab_us-gaap_DefinedBenefitPostretirementHealthCoverageMember_1627C1DDF92D7903D58199FF3C7CA628_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPostretirementHealthCoverageMember_1627C1DDF92D7903D58199FF3C7CA628" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Postretirement Health Coverage </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPostretirementHealthCoverageMember_1627C1DDF92D7903D58199FF3C7CA628_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPostretirementHealthCoverageMember_1627C1DDF92D7903D58199FF3C7CA628" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Postretirement Health Coverage [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DefinedBenefitPostretirementHealthCoverageMember" xlink:label="loc_us-gaap_DefinedBenefitPostretirementHealthCoverageMember_1627C1DDF92D7903D58199FF3C7CA628" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPostretirementHealthCoverageMember_1627C1DDF92D7903D58199FF3C7CA628" xlink:to="lab_us-gaap_DefinedBenefitPostretirementHealthCoverageMember_1627C1DDF92D7903D58199FF3C7CA628" xlink:type="arc"/>
<link:label id="lab_ppg_RetainedU.S.PensionPlansMember_0B1B5B3E9030FB1661E199FF3C7C8C28_terseLabel_en-US" xlink:label="lab_ppg_RetainedU.S.PensionPlansMember_0B1B5B3E9030FB1661E199FF3C7C8C28" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Retained U.S. Pension Plans [Member] </link:label>
<link:label id="lab_ppg_RetainedU.S.PensionPlansMember_0B1B5B3E9030FB1661E199FF3C7C8C28_label_en-US" xlink:label="lab_ppg_RetainedU.S.PensionPlansMember_0B1B5B3E9030FB1661E199FF3C7C8C28" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Retained U.S. Pension Plans [Member] </link:label>
<link:label id="lab_ppg_RetainedU.S.PensionPlansMember_0B1B5B3E9030FB1661E199FF3C7C8C28_documentation_en-US" xlink:label="lab_ppg_RetainedU.S.PensionPlansMember_0B1B5B3E9030FB1661E199FF3C7C8C28" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Retained U.S. Pension Plans [Member] </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_RetainedU.S.PensionPlansMember" xlink:label="loc_ppg_RetainedU.S.PensionPlansMember_0B1B5B3E9030FB1661E199FF3C7C8C28" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ppg_RetainedU.S.PensionPlansMember_0B1B5B3E9030FB1661E199FF3C7C8C28" xlink:to="lab_ppg_RetainedU.S.PensionPlansMember_0B1B5B3E9030FB1661E199FF3C7C8C28" xlink:type="arc"/>
<link:label id="lab_country_CA_59D4D5D737F12352417E99FF3C7C000F_terseLabel_en-US" xlink:label="lab_country_CA_59D4D5D737F12352417E99FF3C7C000F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Canada </link:label>
<link:label id="lab_country_CA_59D4D5D737F12352417E99FF3C7C000F_label_en-US" xlink:label="lab_country_CA_59D4D5D737F12352417E99FF3C7C000F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> CANADA </link:label>
<link:loc xlink:href="http://xbrl.sec.gov/country/2016/country-2016-01-31.xsd#country_CA" xlink:label="loc_country_CA_59D4D5D737F12352417E99FF3C7C000F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_CA_59D4D5D737F12352417E99FF3C7C000F" xlink:to="lab_country_CA_59D4D5D737F12352417E99FF3C7C000F" xlink:type="arc"/>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_990A72D28C88BCB9DE5599FF3C8221E3_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_990A72D28C88BCB9DE5599FF3C8221E3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment by Type [Axis] </link:label>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_990A72D28C88BCB9DE5599FF3C8221E3_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_990A72D28C88BCB9DE5599FF3C8221E3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment, Type [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_990A72D28C88BCB9DE5599FF3C8221E3" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_990A72D28C88BCB9DE5599FF3C8221E3" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_990A72D28C88BCB9DE5599FF3C8221E3" xlink:type="arc"/>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_92AFBE6FBA46A59A289E99FF3C8230E3_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_92AFBE6FBA46A59A289E99FF3C8230E3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment, Type [Domain] </link:label>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_92AFBE6FBA46A59A289E99FF3C8230E3_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_92AFBE6FBA46A59A289E99FF3C8230E3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment, Type [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_92AFBE6FBA46A59A289E99FF3C8230E3" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_92AFBE6FBA46A59A289E99FF3C8230E3" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_92AFBE6FBA46A59A289E99FF3C8230E3" xlink:type="arc"/>
<link:label id="lab_ppg_PittsburghGlassWorksLLCMember_AA2D88326D5B49D6B51499FF3C828A50_terseLabel_en-US" xlink:label="lab_ppg_PittsburghGlassWorksLLCMember_AA2D88326D5B49D6B51499FF3C828A50" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Pittsburgh Glass Works L L C [Member] </link:label>
<link:label id="lab_ppg_PittsburghGlassWorksLLCMember_AA2D88326D5B49D6B51499FF3C828A50_label_en-US" xlink:label="lab_ppg_PittsburghGlassWorksLLCMember_AA2D88326D5B49D6B51499FF3C828A50" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Pittsburgh Glass Works L L C [Member] </link:label>
<link:label id="lab_ppg_PittsburghGlassWorksLLCMember_AA2D88326D5B49D6B51499FF3C828A50_documentation_en-US" xlink:label="lab_ppg_PittsburghGlassWorksLLCMember_AA2D88326D5B49D6B51499FF3C828A50" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Pittsburgh Glass Works LLC [Member] </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_PittsburghGlassWorksLLCMember" xlink:label="loc_ppg_PittsburghGlassWorksLLCMember_AA2D88326D5B49D6B51499FF3C828A50" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ppg_PittsburghGlassWorksLLCMember_AA2D88326D5B49D6B51499FF3C828A50" xlink:to="lab_ppg_PittsburghGlassWorksLLCMember_AA2D88326D5B49D6B51499FF3C828A50" xlink:type="arc"/>
<link:label id="lab_ppg_PensionAndOtherPostretirementBenefitsDisclosureLineItems_7466CB9557EAA7E2A89A99FF3C828B7C_terseLabel_en-US" xlink:label="lab_ppg_PensionAndOtherPostretirementBenefitsDisclosureLineItems_7466CB9557EAA7E2A89A99FF3C828B7C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Pension and Other Postretirement Benefits Disclosure [Line Items] </link:label>
<link:label id="lab_ppg_PensionAndOtherPostretirementBenefitsDisclosureLineItems_7466CB9557EAA7E2A89A99FF3C828B7C_label_en-US" xlink:label="lab_ppg_PensionAndOtherPostretirementBenefitsDisclosureLineItems_7466CB9557EAA7E2A89A99FF3C828B7C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Pension And Other Postretirement Benefits Disclosure [Line Items] </link:label>
<link:label id="lab_ppg_PensionAndOtherPostretirementBenefitsDisclosureLineItems_7466CB9557EAA7E2A89A99FF3C828B7C_documentation_en-US" xlink:label="lab_ppg_PensionAndOtherPostretirementBenefitsDisclosureLineItems_7466CB9557EAA7E2A89A99FF3C828B7C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Pension and Other Postretirement Benefits Disclosure [Line Items] </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_PensionAndOtherPostretirementBenefitsDisclosureLineItems" xlink:label="loc_ppg_PensionAndOtherPostretirementBenefitsDisclosureLineItems_7466CB9557EAA7E2A89A99FF3C828B7C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ppg_PensionAndOtherPostretirementBenefitsDisclosureLineItems_7466CB9557EAA7E2A89A99FF3C828B7C" xlink:to="lab_ppg_PensionAndOtherPostretirementBenefitsDisclosureLineItems_7466CB9557EAA7E2A89A99FF3C828B7C" xlink:type="arc"/>
<link:label id="lab_ppg_DefinedBenefitPlanPercentageOfPensionPlanAssets_774C6EEA8F3DBA6DACDF99FF3C826105_terseLabel_en-US" xlink:label="lab_ppg_DefinedBenefitPlanPercentageOfPensionPlanAssets_774C6EEA8F3DBA6DACDF99FF3C826105" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Percentage of defined benefit pension plan assets market value </link:label>
<link:label id="lab_ppg_DefinedBenefitPlanPercentageOfPensionPlanAssets_774C6EEA8F3DBA6DACDF99FF3C826105_label_en-US" xlink:label="lab_ppg_DefinedBenefitPlanPercentageOfPensionPlanAssets_774C6EEA8F3DBA6DACDF99FF3C826105" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan Percentage Of Pension Plan Assets </link:label>
<link:label id="lab_ppg_DefinedBenefitPlanPercentageOfPensionPlanAssets_774C6EEA8F3DBA6DACDF99FF3C826105_documentation_en-US" xlink:label="lab_ppg_DefinedBenefitPlanPercentageOfPensionPlanAssets_774C6EEA8F3DBA6DACDF99FF3C826105" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Percentage of Pension Plan Assets </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_DefinedBenefitPlanPercentageOfPensionPlanAssets" xlink:label="loc_ppg_DefinedBenefitPlanPercentageOfPensionPlanAssets_774C6EEA8F3DBA6DACDF99FF3C826105" xlink:type="locator"/>
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<link:label id="lab_ppg_DefinedBenefitPlanNumberOfAnnuityPurchaseAgreements_D2563234FF60C8F98FBB99FF3C826F55_terseLabel_en-US" xlink:label="lab_ppg_DefinedBenefitPlanNumberOfAnnuityPurchaseAgreements_D2563234FF60C8F98FBB99FF3C826F55" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of Definitive Purchase Agreements </link:label>
<link:label id="lab_ppg_DefinedBenefitPlanNumberOfAnnuityPurchaseAgreements_D2563234FF60C8F98FBB99FF3C826F55_label_en-US" xlink:label="lab_ppg_DefinedBenefitPlanNumberOfAnnuityPurchaseAgreements_D2563234FF60C8F98FBB99FF3C826F55" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Number Of Annuity Purchase Agreements </link:label>
<link:label id="lab_ppg_DefinedBenefitPlanNumberOfAnnuityPurchaseAgreements_D2563234FF60C8F98FBB99FF3C826F55_documentation_en-US" xlink:label="lab_ppg_DefinedBenefitPlanNumberOfAnnuityPurchaseAgreements_D2563234FF60C8F98FBB99FF3C826F55" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Number Of Annuity Purchase Agreements </link:label>
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<link:label id="lab_ppg_DefinedBenefitPlansNumberOfInsuranceCompaniesServicingFutureBenefitObligations_75AF7DDD8DFB238770B199FF3C82B089_terseLabel_en-US" xlink:label="lab_ppg_DefinedBenefitPlansNumberOfInsuranceCompaniesServicingFutureBenefitObligations_75AF7DDD8DFB238770B199FF3C82B089" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of insurance companies to service future benefit obligations </link:label>
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<link:label id="lab_ppg_NoncashPensionSettlementChargeaftertax_6EAE058F264FBC6F84B399FF3C82B60C_terseLabel_en-US" xlink:label="lab_ppg_NoncashPensionSettlementChargeaftertax_6EAE058F264FBC6F84B399FF3C82B60C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Noncash Pension Settlement Charge - after tax </link:label>
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<link:label id="lab_ppg_CashpaymenttoretireesU.S.NonqualifiedPensionPlan_756D4BB8D0A19633C7DD99FF3C838B98_terseLabel_en-US" xlink:label="lab_ppg_CashpaymenttoretireesU.S.NonqualifiedPensionPlan_756D4BB8D0A19633C7DD99FF3C838B98" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash payment to retirees - U.S. Non-qualified Pension Plan </link:label>
<link:label id="lab_ppg_CashpaymenttoretireesU.S.NonqualifiedPensionPlan_756D4BB8D0A19633C7DD99FF3C838B98_label_en-US" xlink:label="lab_ppg_CashpaymenttoretireesU.S.NonqualifiedPensionPlan_756D4BB8D0A19633C7DD99FF3C838B98" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash payment to retirees - U.S. Non-qualified Pension Plan </link:label>
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<link:label id="lab_us-gaap_DefinedBenefitPlanContributionsByEmployer_7D7AAD5CCFA81ABF04EC99FF3C838660_verboseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanContributionsByEmployer_7D7AAD5CCFA81ABF04EC99FF3C838660" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Contributions to defined benefit pension plans </link:label>
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<link:label id="lab_us-gaap_DefinedBenefitPlanEffectOfPlanAmendmentOnNetPeriodicBenefitCost_8D09B8552FF98259787499FF3C8359E1_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanEffectOfPlanAmendmentOnNetPeriodicBenefitCost_8D09B8552FF98259787499FF3C8359E1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Increase (decrease) in pension expense </link:label>
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<link:label id="lab_us-gaap_DefinedBenefitPlanSettlementsBenefitObligation_D2D3434170585C3A1EE599FF3C83B3B4_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanSettlementsBenefitObligation_D2D3434170585C3A1EE599FF3C83B3B4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Settlement charge </link:label>
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<link:label id="lab_us-gaap_DefinedBenefitPlanAccumulatedBenefitObligation_09057BBE0FDE6FB00E2299FF3C83AC3C_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAccumulatedBenefitObligation_09057BBE0FDE6FB00E2299FF3C83AC3C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> ABO for all defined benefit pension plans </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPlanAccumulatedBenefitObligation_09057BBE0FDE6FB00E2299FF3C83AC3C_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAccumulatedBenefitObligation_09057BBE0FDE6FB00E2299FF3C83AC3C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Accumulated Benefit Obligation </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DefinedBenefitPlanAccumulatedBenefitObligation" xlink:label="loc_us-gaap_DefinedBenefitPlanAccumulatedBenefitObligation_09057BBE0FDE6FB00E2299FF3C83AC3C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanAccumulatedBenefitObligation_09057BBE0FDE6FB00E2299FF3C83AC3C" xlink:to="lab_us-gaap_DefinedBenefitPlanAccumulatedBenefitObligation_09057BBE0FDE6FB00E2299FF3C83AC3C" xlink:type="arc"/>
<link:label id="lab_us-gaap_DefinedBenefitPlanFutureAmortizationOfGainLoss_65698E67C000CC2FFF3F99FF3C83226D_verboseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanFutureAmortizationOfGainLoss_65698E67C000CC2FFF3F99FF3C83226D" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Estimated amounts of accumulated net actuarial loss that will be amortized from AOCI into net periodic benefit cost in 2012 </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DefinedBenefitPlanFutureAmortizationOfGainLoss" xlink:label="loc_us-gaap_DefinedBenefitPlanFutureAmortizationOfGainLoss_65698E67C000CC2FFF3F99FF3C83226D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanFutureAmortizationOfGainLoss_65698E67C000CC2FFF3F99FF3C83226D" xlink:to="lab_us-gaap_DefinedBenefitPlanFutureAmortizationOfGainLoss_65698E67C000CC2FFF3F99FF3C83226D" xlink:type="arc"/>
<link:label id="lab_us-gaap_DefinedBenefitPlanFutureAmortizationOfPriorServiceCostCredit_4EAF922712E4255B069F99FF3C83B897_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanFutureAmortizationOfPriorServiceCostCredit_4EAF922712E4255B069F99FF3C83B897" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Estimated amounts of accumulated prior service cost that will be amortized from AOCI into net periodic benefit cost in 2012 </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPlanFutureAmortizationOfPriorServiceCostCredit_4EAF922712E4255B069F99FF3C83B897_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanFutureAmortizationOfPriorServiceCostCredit_4EAF922712E4255B069F99FF3C83B897" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Future Amortization of Prior Service Cost (Credit) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DefinedBenefitPlanFutureAmortizationOfPriorServiceCostCredit" xlink:label="loc_us-gaap_DefinedBenefitPlanFutureAmortizationOfPriorServiceCostCredit_4EAF922712E4255B069F99FF3C83B897" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanFutureAmortizationOfPriorServiceCostCredit_4EAF922712E4255B069F99FF3C83B897" xlink:to="lab_us-gaap_DefinedBenefitPlanFutureAmortizationOfPriorServiceCostCredit_4EAF922712E4255B069F99FF3C83B897" xlink:type="arc"/>
<link:label id="lab_ppg_ImpactonNetPeriodicPensionExpenseNextTwelveMonths_1EE3DBD5C84C5E2972C899FF3C83D82A_verboseLabel_en-US" xlink:label="lab_ppg_ImpactonNetPeriodicPensionExpenseNextTwelveMonths_1EE3DBD5C84C5E2972C899FF3C83D82A" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Impact on net periodic pension expense </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_ImpactonNetPeriodicPensionExpenseNextTwelveMonths" xlink:label="loc_ppg_ImpactonNetPeriodicPensionExpenseNextTwelveMonths_1EE3DBD5C84C5E2972C899FF3C83D82A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ppg_ImpactonNetPeriodicPensionExpenseNextTwelveMonths_1EE3DBD5C84C5E2972C899FF3C83D82A" xlink:to="lab_ppg_ImpactonNetPeriodicPensionExpenseNextTwelveMonths_1EE3DBD5C84C5E2972C899FF3C83D82A" xlink:type="arc"/>
<link:label id="lab_us-gaap_DefinedBenefitPlanHealthCareCostTrendRateAssumedForNextFiscalYear_540011086DF04EF22EFE99FF3C83A942_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanHealthCareCostTrendRateAssumedForNextFiscalYear_540011086DF04EF22EFE99FF3C83A942" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Weighted-average healthcare cost trend rate assumed for next fiscal year </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPlanHealthCareCostTrendRateAssumedForNextFiscalYear_540011086DF04EF22EFE99FF3C83A942_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanHealthCareCostTrendRateAssumedForNextFiscalYear_540011086DF04EF22EFE99FF3C83A942" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Health Care Cost Trend Rate Assumed for Next Fiscal Year </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DefinedBenefitPlanHealthCareCostTrendRateAssumedForNextFiscalYear" xlink:label="loc_us-gaap_DefinedBenefitPlanHealthCareCostTrendRateAssumedForNextFiscalYear_540011086DF04EF22EFE99FF3C83A942" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DefinedBenefitPlanUltimateHealthCareCostTrendRate_6972F7B6B916274F112399FF3C836E33_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanUltimateHealthCareCostTrendRate_6972F7B6B916274F112399FF3C836E33" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Assumed ultimate health care cost trend rate </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPlanUltimateHealthCareCostTrendRate_6972F7B6B916274F112399FF3C836E33_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanUltimateHealthCareCostTrendRate_6972F7B6B916274F112399FF3C836E33" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Ultimate Health Care Cost Trend Rate </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DefinedBenefitPlanUltimateHealthCareCostTrendRate" xlink:label="loc_us-gaap_DefinedBenefitPlanUltimateHealthCareCostTrendRate_6972F7B6B916274F112399FF3C836E33" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanUltimateHealthCareCostTrendRate_6972F7B6B916274F112399FF3C836E33" xlink:to="lab_us-gaap_DefinedBenefitPlanUltimateHealthCareCostTrendRate_6972F7B6B916274F112399FF3C836E33" xlink:type="arc"/>
<link:label id="lab_us-gaap_DefinedBenefitPlanYearThatRateReachesUltimateTrendRate_47148013E8378EED8DD099FF3C845465_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanYearThatRateReachesUltimateTrendRate_47148013E8378EED8DD099FF3C845465" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Assumed year that ultimate health care cost trend rate will be reached </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPlanYearThatRateReachesUltimateTrendRate_47148013E8378EED8DD099FF3C845465_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanYearThatRateReachesUltimateTrendRate_47148013E8378EED8DD099FF3C845465" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Year that Rate Reaches Ultimate Trend Rate </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DefinedBenefitPlanYearThatRateReachesUltimateTrendRate" xlink:label="loc_us-gaap_DefinedBenefitPlanYearThatRateReachesUltimateTrendRate_47148013E8378EED8DD099FF3C845465" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanYearThatRateReachesUltimateTrendRate_47148013E8378EED8DD099FF3C845465" xlink:to="lab_us-gaap_DefinedBenefitPlanYearThatRateReachesUltimateTrendRate_47148013E8378EED8DD099FF3C845465" xlink:type="arc"/>
<link:label id="lab_ppg_DefinedBenefitPlanEstimatedFutureEmployerContributionsinNextFiscalYearLowendofRange_91274D19909C1C9A076799FF3C84FF94_terseLabel_en-US" xlink:label="lab_ppg_DefinedBenefitPlanEstimatedFutureEmployerContributionsinNextFiscalYearLowendofRange_91274D19909C1C9A076799FF3C84FF94" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Estimated future mandatory contributions, low end of range </link:label>
<link:label id="lab_ppg_DefinedBenefitPlanEstimatedFutureEmployerContributionsinNextFiscalYearLowendofRange_91274D19909C1C9A076799FF3C84FF94_label_en-US" xlink:label="lab_ppg_DefinedBenefitPlanEstimatedFutureEmployerContributionsinNextFiscalYearLowendofRange_91274D19909C1C9A076799FF3C84FF94" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Estimated Future Employer Contributions in Next Fiscal Year, Low end of Range </link:label>
<link:label id="lab_ppg_DefinedBenefitPlanEstimatedFutureEmployerContributionsinNextFiscalYearLowendofRange_91274D19909C1C9A076799FF3C84FF94_documentation_en-US" xlink:label="lab_ppg_DefinedBenefitPlanEstimatedFutureEmployerContributionsinNextFiscalYearLowendofRange_91274D19909C1C9A076799FF3C84FF94" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The low end of the employer's best estimate, as soon as it can be reasonably determined, of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position. Estimated contributions may be presented in the aggregate combining (1) contributions required by funding regulations or laws, (2) discretionary contributions, and (3) noncash contributions. </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_DefinedBenefitPlanEstimatedFutureEmployerContributionsinNextFiscalYearLowendofRange" xlink:label="loc_ppg_DefinedBenefitPlanEstimatedFutureEmployerContributionsinNextFiscalYearLowendofRange_91274D19909C1C9A076799FF3C84FF94" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ppg_DefinedBenefitPlanEstimatedFutureEmployerContributionsinNextFiscalYearLowendofRange_91274D19909C1C9A076799FF3C84FF94" xlink:to="lab_ppg_DefinedBenefitPlanEstimatedFutureEmployerContributionsinNextFiscalYearLowendofRange_91274D19909C1C9A076799FF3C84FF94" xlink:type="arc"/>
<link:label id="lab_ppg_DefinedBenefitPlanEstimatedFutureEmployerContributionsinNextFiscalYearHighendofRange_E07E615FDAC2E9F9C57199FF3C891562_terseLabel_en-US" xlink:label="lab_ppg_DefinedBenefitPlanEstimatedFutureEmployerContributionsinNextFiscalYearHighendofRange_E07E615FDAC2E9F9C57199FF3C891562" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Estimated future mandatory contributions, high end of range </link:label>
<link:label id="lab_ppg_DefinedBenefitPlanEstimatedFutureEmployerContributionsinNextFiscalYearHighendofRange_E07E615FDAC2E9F9C57199FF3C891562_label_en-US" xlink:label="lab_ppg_DefinedBenefitPlanEstimatedFutureEmployerContributionsinNextFiscalYearHighendofRange_E07E615FDAC2E9F9C57199FF3C891562" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Estimated Future Employer Contributions in Next Fiscal Year, High end of Range </link:label>
<link:label id="lab_ppg_DefinedBenefitPlanEstimatedFutureEmployerContributionsinNextFiscalYearHighendofRange_E07E615FDAC2E9F9C57199FF3C891562_documentation_en-US" xlink:label="lab_ppg_DefinedBenefitPlanEstimatedFutureEmployerContributionsinNextFiscalYearHighendofRange_E07E615FDAC2E9F9C57199FF3C891562" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The high end of the employer's best estimate, as soon as it can be reasonably determined, of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position. Estimated contributions may be presented in the aggregate combining (1) contributions required by funding regulations or laws, (2) discretionary contributions, and (3) noncash contributions. </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_DefinedBenefitPlanEstimatedFutureEmployerContributionsinNextFiscalYearHighendofRange" xlink:label="loc_ppg_DefinedBenefitPlanEstimatedFutureEmployerContributionsinNextFiscalYearHighendofRange_E07E615FDAC2E9F9C57199FF3C891562" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DefinedBenefitPlanBenefitsPaid_6C4401E0816044ED6F3D99FF3C89E59F_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanBenefitsPaid_6C4401E0816044ED6F3D99FF3C89E59F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Benefits paid </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DefinedBenefitPlanBenefitsPaid" xlink:label="loc_us-gaap_DefinedBenefitPlanBenefitsPaid_6C4401E0816044ED6F3D99FF3C89E59F" xlink:type="locator"/>
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<link:label id="lab_us-gaap_PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesCurrentAndNoncurrent_7E926D7C223ADCE85EA899FF3C89C0B7_terseLabel_en-US" xlink:label="lab_us-gaap_PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesCurrentAndNoncurrent_7E926D7C223ADCE85EA899FF3C89C0B7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Liabilities for pension and post-employment benefits earned for service up to the time of sale </link:label>
<link:label id="lab_us-gaap_PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesCurrentAndNoncurrent_7E926D7C223ADCE85EA899FF3C89C0B7_label_en-US" xlink:label="lab_us-gaap_PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesCurrentAndNoncurrent_7E926D7C223ADCE85EA899FF3C89C0B7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Pension and Other Postretirement and Postemployment Benefit Plans, Liabilities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesCurrentAndNoncurrent" xlink:label="loc_us-gaap_PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesCurrentAndNoncurrent_7E926D7C223ADCE85EA899FF3C89C0B7" xlink:type="locator"/>
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<link:label id="lab_us-gaap_PensionAndOtherPostretirementBenefitExpense_35855408B2F37547C97899FF3C89F1F6_terseLabel_en-US" xlink:label="lab_us-gaap_PensionAndOtherPostretirementBenefitExpense_35855408B2F37547C97899FF3C89F1F6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Costs related to the pension and other postemployment benefit liabilities of the divested business </link:label>
<link:label id="lab_us-gaap_PensionAndOtherPostretirementBenefitExpense_35855408B2F37547C97899FF3C89F1F6_label_en-US" xlink:label="lab_us-gaap_PensionAndOtherPostretirementBenefitExpense_35855408B2F37547C97899FF3C89F1F6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Pension and Other Postretirement Benefit Expense </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitExpense" xlink:label="loc_us-gaap_PensionAndOtherPostretirementBenefitExpense_35855408B2F37547C97899FF3C89F1F6" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PensionAndOtherPostretirementBenefitExpense_35855408B2F37547C97899FF3C89F1F6" xlink:to="lab_us-gaap_PensionAndOtherPostretirementBenefitExpense_35855408B2F37547C97899FF3C89F1F6" xlink:type="arc"/>
<link:label id="lab_ppg_DefinedBenefitPlansNumberOfPlanWindups_E7C4CDC933B94A28223F99FF3C891620_terseLabel_en-US" xlink:label="lab_ppg_DefinedBenefitPlansNumberOfPlanWindups_E7C4CDC933B94A28223F99FF3C891620" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of legacy plan windups </link:label>
<link:label id="lab_ppg_DefinedBenefitPlansNumberOfPlanWindups_E7C4CDC933B94A28223F99FF3C891620_label_en-US" xlink:label="lab_ppg_DefinedBenefitPlansNumberOfPlanWindups_E7C4CDC933B94A28223F99FF3C891620" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plans, Number Of Plan Windups </link:label>
<link:label id="lab_ppg_DefinedBenefitPlansNumberOfPlanWindups_E7C4CDC933B94A28223F99FF3C891620_documentation_en-US" xlink:label="lab_ppg_DefinedBenefitPlansNumberOfPlanWindups_E7C4CDC933B94A28223F99FF3C891620" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plans, Number Of Plan Windups </link:label>
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<link:label id="lab_ppg_DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAfterTax_DAFB69632093261AAA2499FF3C89518C_documentation_en-US" xlink:label="lab_ppg_DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAfterTax_DAFB69632093261AAA2499FF3C89518C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Recognized Net Gain (Loss) Due To Settlements, After Tax </link:label>
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<link:label id="lab_us-gaap_DefinedBenefitPensionPlanLiabilitiesNoncurrent_078EBA3A3E694840F3CF99FF3C897F03_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPensionPlanLiabilitiesNoncurrent_078EBA3A3E694840F3CF99FF3C897F03" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accrued pensions </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DefinedBenefitPensionPlanLiabilitiesNoncurrent" xlink:label="loc_us-gaap_DefinedBenefitPensionPlanLiabilitiesNoncurrent_078EBA3A3E694840F3CF99FF3C897F03" xlink:type="locator"/>
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<link:label id="lab_ppg_DefinedContributionPlanContributionRatesAsPercentageOfEmployeesEarnings_89BE6EE6591DF97EDAC499FF3C89D4D5_verboseLabel_en-US" xlink:label="lab_ppg_DefinedContributionPlanContributionRatesAsPercentageOfEmployeesEarnings_89BE6EE6591DF97EDAC499FF3C89D4D5" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Defined contribution plan contribution rates as percentage of employee earnings </link:label>
<link:label id="lab_ppg_DefinedContributionPlanContributionRatesAsPercentageOfEmployeesEarnings_89BE6EE6591DF97EDAC499FF3C89D4D5_label_en-US" xlink:label="lab_ppg_DefinedContributionPlanContributionRatesAsPercentageOfEmployeesEarnings_89BE6EE6591DF97EDAC499FF3C89D4D5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Contribution Plan Contribution Rates As Percentage Of Employees Earnings </link:label>
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<link:label id="lab_us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch_989C1508715DBD31F6F099FF3C8A87BC_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch_989C1508715DBD31F6F099FF3C8A87BC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Company-matching contribution, percent of match </link:label>
<link:label id="lab_us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch_989C1508715DBD31F6F099FF3C8A87BC_label_en-US" xlink:label="lab_us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch_989C1508715DBD31F6F099FF3C8A87BC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Contribution Plan, Employer Matching Contribution, Percent of Match </link:label>
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<link:label id="lab_ppg_DefinedContributionPlanContributionRate_DA6A4DAB8924816DED7899FF3C8A4B1B_terseLabel_en-US" xlink:label="lab_ppg_DefinedContributionPlanContributionRate_DA6A4DAB8924816DED7899FF3C8A4B1B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Company-matching contribution </link:label>
<link:label id="lab_ppg_DefinedContributionPlanContributionRate_DA6A4DAB8924816DED7899FF3C8A4B1B_label_en-US" xlink:label="lab_ppg_DefinedContributionPlanContributionRate_DA6A4DAB8924816DED7899FF3C8A4B1B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Contribution Plan Contribution Rate </link:label>
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<link:loc xlink:href="ppg-20171231.xsd#ppg_DefinedContributionPlanContributionRate" xlink:label="loc_ppg_DefinedContributionPlanContributionRate_DA6A4DAB8924816DED7899FF3C8A4B1B" xlink:type="locator"/>
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<link:label id="lab_us-gaap_EmployeeStockOwnershipPlanESOPCompensationExpense_EE74A6627AF9E042299499FF3C8A3A52_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeStockOwnershipPlanESOPCompensationExpense_EE74A6627AF9E042299499FF3C8A3A52" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Compensation expense related to the ESOP </link:label>
<link:label id="lab_us-gaap_EmployeeStockOwnershipPlanESOPCompensationExpense_EE74A6627AF9E042299499FF3C8A3A52_label_en-US" xlink:label="lab_us-gaap_EmployeeStockOwnershipPlanESOPCompensationExpense_EE74A6627AF9E042299499FF3C8A3A52" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Employee Stock Ownership Plan (ESOP), Compensation Expense </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EmployeeStockOwnershipPlanESOPCompensationExpense" xlink:label="loc_us-gaap_EmployeeStockOwnershipPlanESOPCompensationExpense_EE74A6627AF9E042299499FF3C8A3A52" xlink:type="locator"/>
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<link:label id="lab_us-gaap_EmployeeStockOwnershipPlanESOPDividendsPaidToESOP_04617ABA476125B5D18899FF3C8AC29B_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeStockOwnershipPlanESOPDividendsPaidToESOP_04617ABA476125B5D18899FF3C8AC29B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Deductible dividends on PPG shares held by the ESOP </link:label>
<link:label id="lab_us-gaap_EmployeeStockOwnershipPlanESOPDividendsPaidToESOP_04617ABA476125B5D18899FF3C8AC29B_label_en-US" xlink:label="lab_us-gaap_EmployeeStockOwnershipPlanESOPDividendsPaidToESOP_04617ABA476125B5D18899FF3C8AC29B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Employee Stock Ownership Plan (ESOP), Dividends Paid to ESOP </link:label>
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<link:label id="lab_ppg_DeferredCompensationArrangementWithIndividualCompensationExpenseIncome_E95FDEDAB4020CF406D099FF3C8A1BEB_terseLabel_en-US" xlink:label="lab_ppg_DeferredCompensationArrangementWithIndividualCompensationExpenseIncome_E95FDEDAB4020CF406D099FF3C8A1BEB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Expense (income) of the deferred compensation plan </link:label>
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<link:label id="lab_us-gaap_DeferredCompensationArrangementWithIndividualRecordedLiability_F050BDB89E4CC0A9F3FB99FF3C8A8C96_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredCompensationArrangementWithIndividualRecordedLiability_F050BDB89E4CC0A9F3FB99FF3C8A8C96" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Obligations under the deferred compensation plan </link:label>
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<link:label id="lab_ppg_DeferredCompensationPlanMarketableSecurities_3DEE8681C64C513716C399FF3C8A3F56_terseLabel_en-US" xlink:label="lab_ppg_DeferredCompensationPlanMarketableSecurities_3DEE8681C64C513716C399FF3C8A3F56" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Investments in marketable securities by the deferred compensation plan </link:label>
<link:label id="lab_ppg_DeferredCompensationPlanMarketableSecurities_3DEE8681C64C513716C399FF3C8A3F56_label_en-US" xlink:label="lab_ppg_DeferredCompensationPlanMarketableSecurities_3DEE8681C64C513716C399FF3C8A3F56" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred Compensation Plan Marketable Securities </link:label>
<link:label id="lab_ppg_DeferredCompensationPlanMarketableSecurities_3DEE8681C64C513716C399FF3C8A3F56_documentation_en-US" xlink:label="lab_ppg_DeferredCompensationPlanMarketableSecurities_3DEE8681C64C513716C399FF3C8A3F56" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Deferred compensation plan - marketable securities </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_DeferredCompensationPlanMarketableSecurities" xlink:label="loc_ppg_DeferredCompensationPlanMarketableSecurities_3DEE8681C64C513716C399FF3C8A3F56" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ppg_DeferredCompensationPlanMarketableSecurities_3DEE8681C64C513716C399FF3C8A3F56" xlink:to="lab_ppg_DeferredCompensationPlanMarketableSecurities_3DEE8681C64C513716C399FF3C8A3F56" xlink:type="arc"/>
<link:label id="lab_ppg_DefinedBenefitPlanPensionPlansWithProjectedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation_4E7451A362380BEFA6CA99FF3C8A0AEA_terseLabel_en-US" xlink:label="lab_ppg_DefinedBenefitPlanPensionPlansWithProjectedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation_4E7451A362380BEFA6CA99FF3C8A0AEA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Aggregate PBO for the pension plans with PBO in excess of plan assets </link:label>
<link:label id="lab_ppg_DefinedBenefitPlanPensionPlansWithProjectedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation_4E7451A362380BEFA6CA99FF3C8A0AEA_label_en-US" xlink:label="lab_ppg_DefinedBenefitPlanPensionPlansWithProjectedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation_4E7451A362380BEFA6CA99FF3C8A0AEA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan Pension Plans With Projected Benefit Obligations In Excess Of Plan Assets Aggregate Projected Benefit Obligation </link:label>
<link:label id="lab_ppg_DefinedBenefitPlanPensionPlansWithProjectedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation_4E7451A362380BEFA6CA99FF3C8A0AEA_documentation_en-US" xlink:label="lab_ppg_DefinedBenefitPlanPensionPlansWithProjectedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation_4E7451A362380BEFA6CA99FF3C8A0AEA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Pension Plans With Projected Benefit Obligations In Excess Of Plan Assets, Aggregate Projected Benefit Obligation </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_DefinedBenefitPlanPensionPlansWithProjectedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation" xlink:label="loc_ppg_DefinedBenefitPlanPensionPlansWithProjectedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation_4E7451A362380BEFA6CA99FF3C8A0AEA" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ppg_DefinedBenefitPlanPensionPlansWithProjectedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation_4E7451A362380BEFA6CA99FF3C8A0AEA" xlink:to="lab_ppg_DefinedBenefitPlanPensionPlansWithProjectedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation_4E7451A362380BEFA6CA99FF3C8A0AEA" xlink:type="arc"/>
<link:label id="lab_ppg_DefinedBenefitPlanPensionPlansWithProjectedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets_1B44A285F7BE0DAB69C399FF3C8A2E28_terseLabel_en-US" xlink:label="lab_ppg_DefinedBenefitPlanPensionPlansWithProjectedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets_1B44A285F7BE0DAB69C399FF3C8A2E28" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Aggregate fair value of plan assets for the pension plans with PBO in excess of plan assets </link:label>
<link:label id="lab_ppg_DefinedBenefitPlanPensionPlansWithProjectedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets_1B44A285F7BE0DAB69C399FF3C8A2E28_label_en-US" xlink:label="lab_ppg_DefinedBenefitPlanPensionPlansWithProjectedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets_1B44A285F7BE0DAB69C399FF3C8A2E28" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan Pension Plans With Projected Benefit Obligations In Excess Of Plan Assets Aggregate Fair Value Of Plan Assets </link:label>
<link:label id="lab_ppg_DefinedBenefitPlanPensionPlansWithProjectedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets_1B44A285F7BE0DAB69C399FF3C8A2E28_documentation_en-US" xlink:label="lab_ppg_DefinedBenefitPlanPensionPlansWithProjectedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets_1B44A285F7BE0DAB69C399FF3C8A2E28" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Pension Plans With Projected Benefit Obligations In Excess Of Plan Assets, Aggregate Fair Value Of Plan Assets </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_DefinedBenefitPlanPensionPlansWithProjectedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets" xlink:label="loc_ppg_DefinedBenefitPlanPensionPlansWithProjectedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets_1B44A285F7BE0DAB69C399FF3C8A2E28" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ppg_DefinedBenefitPlanPensionPlansWithProjectedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets_1B44A285F7BE0DAB69C399FF3C8A2E28" xlink:to="lab_ppg_DefinedBenefitPlanPensionPlansWithProjectedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets_1B44A285F7BE0DAB69C399FF3C8A2E28" xlink:type="arc"/>
<link:label id="lab_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation_313A335614C0A3FC39C099FF3C8AE389_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation_313A335614C0A3FC39C099FF3C8AE389" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Aggregate ABO for the pension plans with ABO in excess of plan assets </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation_313A335614C0A3FC39C099FF3C8AE389_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation_313A335614C0A3FC39C099FF3C8AE389" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets, Aggregate Accumulated Benefit Obligation </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation" xlink:label="loc_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation_313A335614C0A3FC39C099FF3C8AE389" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation_313A335614C0A3FC39C099FF3C8AE389" xlink:to="lab_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation_313A335614C0A3FC39C099FF3C8AE389" xlink:type="arc"/>
<link:label id="lab_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets_35048B4FDF0A38F7C5AD99FF3C8ACAD0_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets_35048B4FDF0A38F7C5AD99FF3C8ACAD0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fair value of plan assets for the pension plans with ABO in excess of plan assets </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets_35048B4FDF0A38F7C5AD99FF3C8ACAD0_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets_35048B4FDF0A38F7C5AD99FF3C8ACAD0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets, Aggregate Fair Value of Plan Assets </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets_35048B4FDF0A38F7C5AD99FF3C8ACAD0" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets_35048B4FDF0A38F7C5AD99FF3C8ACAD0" xlink:to="lab_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets_35048B4FDF0A38F7C5AD99FF3C8ACAD0" xlink:type="arc"/>
<link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths_5A9872D63B96C0B1FAD999FF3C8AA2CE_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths_5A9872D63B96C0B1FAD999FF3C8AA2CE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Estimated future benefit payments in 2018 </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths_5A9872D63B96C0B1FAD999FF3C8AA2CE_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths_5A9872D63B96C0B1FAD999FF3C8AA2CE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Expected Future Benefit Payments, Next Twelve Months </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths_5A9872D63B96C0B1FAD999FF3C8AA2CE" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths_5A9872D63B96C0B1FAD999FF3C8AA2CE" xlink:to="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths_5A9872D63B96C0B1FAD999FF3C8AA2CE" xlink:type="arc"/>
<link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo_C810D6619659DD77779499FF3C8AF932_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo_C810D6619659DD77779499FF3C8AF932" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Estimated future benefit payments in 2019 </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo_C810D6619659DD77779499FF3C8AF932_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo_C810D6619659DD77779499FF3C8AF932" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Expected Future Benefit Payments, Year Two </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo_C810D6619659DD77779499FF3C8AF932" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo_C810D6619659DD77779499FF3C8AF932" xlink:to="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo_C810D6619659DD77779499FF3C8AF932" xlink:type="arc"/>
<link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree_117CD23686EF6DE9319D99FF3C8A524B_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree_117CD23686EF6DE9319D99FF3C8A524B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Estimated future benefit payments in 2020 </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree_117CD23686EF6DE9319D99FF3C8A524B_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree_117CD23686EF6DE9319D99FF3C8A524B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Expected Future Benefit Payments, Year Three </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree_117CD23686EF6DE9319D99FF3C8A524B" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree_117CD23686EF6DE9319D99FF3C8A524B" xlink:to="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree_117CD23686EF6DE9319D99FF3C8A524B" xlink:type="arc"/>
<link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour_D4B92331F91CB01ABED299FF3C8AB5D9_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour_D4B92331F91CB01ABED299FF3C8AB5D9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Estimated future benefit payments in 2021 </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour_D4B92331F91CB01ABED299FF3C8AB5D9_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour_D4B92331F91CB01ABED299FF3C8AB5D9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Expected Future Benefit Payments, Year Four </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour_D4B92331F91CB01ABED299FF3C8AB5D9" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour_D4B92331F91CB01ABED299FF3C8AB5D9" xlink:to="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour_D4B92331F91CB01ABED299FF3C8AB5D9" xlink:type="arc"/>
<link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive_F97E6D17F4C1179DF0D299FF3C8A3BBF_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive_F97E6D17F4C1179DF0D299FF3C8A3BBF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Estimated future benefit payments in 2022 </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive_F97E6D17F4C1179DF0D299FF3C8A3BBF_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive_F97E6D17F4C1179DF0D299FF3C8A3BBF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Expected Future Benefit Payments, Year Five </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive_F97E6D17F4C1179DF0D299FF3C8A3BBF" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive_F97E6D17F4C1179DF0D299FF3C8A3BBF" xlink:to="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive_F97E6D17F4C1179DF0D299FF3C8A3BBF" xlink:type="arc"/>
<link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter_73980C3FDF4BB21DEDA099FF3C8B9F47_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter_73980C3FDF4BB21DEDA099FF3C8B9F47" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Estimated aggregate future benefits payments for the five years thereafter </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter_73980C3FDF4BB21DEDA099FF3C8B9F47_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter_73980C3FDF4BB21DEDA099FF3C8B9F47" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Expected Future Benefit Payments, Five Fiscal Years Thereafter </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter_73980C3FDF4BB21DEDA099FF3C8B9F47" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter_73980C3FDF4BB21DEDA099FF3C8B9F47" xlink:to="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter_73980C3FDF4BB21DEDA099FF3C8B9F47" xlink:type="arc"/>
<link:label id="lab_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_CAB41713101DE59EC4A29ABDF0B2FEE9_terseLabel_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_CAB41713101DE59EC4A29ABDF0B2FEE9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> U.S. federal income tax rate </link:label>
<link:label id="lab_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_CAB41713101DE59EC4A29ABDF0B2FEE9_label_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_CAB41713101DE59EC4A29ABDF0B2FEE9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_CAB41713101DE59EC4A29ABDF0B2FEE9" xlink:type="locator"/>
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<link:label id="lab_ppg_EmployeeSeveranceAndOtherCostMember_55702296723621A82067666C44E5B441_terseLabel_en-US" xlink:label="lab_ppg_EmployeeSeveranceAndOtherCostMember_55702296723621A82067666C44E5B441" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Severance and Other Costs </link:label>
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<link:label id="lab_ppg_AssetWriteOffsOrOtherMember_736FDFAFE76D0B132D3C666C44E58670_terseLabel_en-US" xlink:label="lab_ppg_AssetWriteOffsOrOtherMember_736FDFAFE76D0B132D3C666C44E58670" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Asset Write Offs Or Other [Member] </link:label>
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<link:label id="lab_us-gaap_CorporateMember_D86F33A5BDA1839C2E77666C44E513A5_terseLabel_en-US" xlink:label="lab_us-gaap_CorporateMember_D86F33A5BDA1839C2E77666C44E513A5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Corporate Segment [Member] </link:label>
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<link:label id="lab_us-gaap_RestructuringPlanAxis_3C464F6BAFD9E0AC0CCE666C44E5BB60_terseLabel_en-US" xlink:label="lab_us-gaap_RestructuringPlanAxis_3C464F6BAFD9E0AC0CCE666C44E5BB60" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Restructuring Plan [Axis] </link:label>
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<link:label id="lab_ppg_A2016RestructuringPlanMember_AC3A4D8DFC8AEE6F9829666C44E5B9AF_terseLabel_en-US" xlink:label="lab_ppg_A2016RestructuringPlanMember_AC3A4D8DFC8AEE6F9829666C44E5B9AF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2016 Restructuring Plan [Member] </link:label>
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<link:loc xlink:href="ppg-20171231.xsd#ppg_A2016RestructuringPlanMember" xlink:label="loc_ppg_A2016RestructuringPlanMember_AC3A4D8DFC8AEE6F9829666C44E5B9AF" xlink:type="locator"/>
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<link:label id="lab_us-gaap_RestructuringReserve_3DCB4FFCB9B171109064666C44EBAE50_verboseLabel_en-US" xlink:label="lab_us-gaap_RestructuringReserve_3DCB4FFCB9B171109064666C44EBAE50" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Total Reserve Balance at end of year </link:label>
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<link:label id="lab_us-gaap_UnrecognizedTaxBenefits_7C604EF21636B3CD1A03952DE5DBE018_label_en-US" xlink:label="lab_us-gaap_UnrecognizedTaxBenefits_7C604EF21636B3CD1A03952DE5DBE018" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Unrecognized Tax Benefits </link:label>
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<link:label id="lab_ppg_UnrecognizedTaxBenefitsIncreasePriorToAcquisition_EE6DF29190848BBE2E55952DE5DB8FAF_terseLabel_en-US" xlink:label="lab_ppg_UnrecognizedTaxBenefitsIncreasePriorToAcquisition_EE6DF29190848BBE2E55952DE5DB8FAF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Pre-acquisition unrecognized tax benefits </link:label>
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<link:label id="lab_ppg_UnrecognizedTaxBenefitsIncreasePriorToAcquisition_EE6DF29190848BBE2E55952DE5DB8FAF_documentation_en-US" xlink:label="lab_ppg_UnrecognizedTaxBenefitsIncreasePriorToAcquisition_EE6DF29190848BBE2E55952DE5DB8FAF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Unrecognized Tax Benefits, Increase Prior to Acquisition </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_UnrecognizedTaxBenefitsIncreasePriorToAcquisition" xlink:label="loc_ppg_UnrecognizedTaxBenefitsIncreasePriorToAcquisition_EE6DF29190848BBE2E55952DE5DB8FAF" xlink:type="locator"/>
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<link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_636DC835A16869DB991E950BC49BB8BF_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_636DC835A16869DB991E950BC49BB8BF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating activities </link:label>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_636DC835A16869DB991E950BC49BB8BF_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_636DC835A16869DB991E950BC49BB8BF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Operating Activities [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_636DC835A16869DB991E950BC49BB8BF" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_636DC835A16869DB991E950BC49BB8BF" xlink:to="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_636DC835A16869DB991E950BC49BB8BF" xlink:type="arc"/>
<link:label id="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_03A8A9F1F09EFD1400D8950BC49B8EF6_terseLabel_en-US" xlink:label="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_03A8A9F1F09EFD1400D8950BC49B8EF6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Adjustments to reconcile to cash from operations: </link:label>
<link:label id="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_03A8A9F1F09EFD1400D8950BC49B8EF6_label_en-US" xlink:label="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_03A8A9F1F09EFD1400D8950BC49B8EF6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_03A8A9F1F09EFD1400D8950BC49B8EF6" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_03A8A9F1F09EFD1400D8950BC49B8EF6" xlink:to="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_03A8A9F1F09EFD1400D8950BC49B8EF6" xlink:type="arc"/>
<link:label id="lab_us-gaap_DepreciationAndAmortization_389DD849F311F733A73F950BC49B77A6_terseLabel_en-US" xlink:label="lab_us-gaap_DepreciationAndAmortization_389DD849F311F733A73F950BC49B77A6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Depreciation and amortization </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:label="loc_us-gaap_DepreciationAndAmortization_389DD849F311F733A73F950BC49B77A6" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DepreciationAndAmortization_389DD849F311F733A73F950BC49B77A6" xlink:to="lab_us-gaap_DepreciationAndAmortization_389DD849F311F733A73F950BC49B77A6" xlink:type="arc"/>
<link:label id="lab_ppg_EnvironmentalRemediationCharge_3E3454D105CF9E033FA2950BC49B1005_verboseLabel_en-US" xlink:label="lab_ppg_EnvironmentalRemediationCharge_3E3454D105CF9E033FA2950BC49B1005" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Environmental remediation charge </link:label>
<link:label id="lab_ppg_EnvironmentalRemediationCharge_3E3454D105CF9E033FA2950BC49B1005_label_en-US" xlink:label="lab_ppg_EnvironmentalRemediationCharge_3E3454D105CF9E033FA2950BC49B1005" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Environmental Remediation Charge </link:label>
<link:label id="lab_ppg_EnvironmentalRemediationCharge_3E3454D105CF9E033FA2950BC49B1005_documentation_en-US" xlink:label="lab_ppg_EnvironmentalRemediationCharge_3E3454D105CF9E033FA2950BC49B1005" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Environmental Remediation Charge </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_EnvironmentalRemediationCharge" xlink:label="loc_ppg_EnvironmentalRemediationCharge_3E3454D105CF9E033FA2950BC49B1005" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ppg_EnvironmentalRemediationCharge_3E3454D105CF9E033FA2950BC49B1005" xlink:to="lab_ppg_EnvironmentalRemediationCharge_3E3454D105CF9E033FA2950BC49B1005" xlink:type="arc"/>
<link:label id="lab_us-gaap_GainLossOnSaleOfEquityInvestments_753E674DF84B76E996D6950BC49BB4A6_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_GainLossOnSaleOfEquityInvestments_753E674DF84B76E996D6950BC49BB4A6" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Gain (Loss) on Sale of Equity Investments </link:label>
<link:label id="lab_us-gaap_GainLossOnSaleOfEquityInvestments_753E674DF84B76E996D6950BC49BB4A6_label_en-US" xlink:label="lab_us-gaap_GainLossOnSaleOfEquityInvestments_753E674DF84B76E996D6950BC49BB4A6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Gain (Loss) on Sale of Equity Investments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GainLossOnSaleOfEquityInvestments" xlink:label="loc_us-gaap_GainLossOnSaleOfEquityInvestments_753E674DF84B76E996D6950BC49BB4A6" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions_B4BEBA31854ACEA52725950BC49C26A1_negatedLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions_B4BEBA31854ACEA52725950BC49C26A1" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Equity affiliate (income)/loss, net of dividends </link:label>
<link:label id="lab_us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions_B4BEBA31854ACEA52725950BC49C26A1_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions_B4BEBA31854ACEA52725950BC49C26A1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income (Loss) from Equity Method Investments, Net of Dividends or Distributions </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions_B4BEBA31854ACEA52725950BC49C26A1" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions_B4BEBA31854ACEA52725950BC49C26A1" xlink:to="lab_us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions_B4BEBA31854ACEA52725950BC49C26A1" xlink:type="arc"/>
<link:label id="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_154C5BF091B554790CFA950BC49C02D3_verboseLabel_en-US" xlink:label="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_154C5BF091B554790CFA950BC49C02D3" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Deferred income taxes </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_154C5BF091B554790CFA950BC49C02D3" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_154C5BF091B554790CFA950BC49C02D3" xlink:to="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_154C5BF091B554790CFA950BC49C02D3" xlink:type="arc"/>
<link:label id="lab_us-gaap_PensionContributions_19EA3B848A6E9FABDFE6950BC49CA1B2_negatedLabel_en-US" xlink:label="lab_us-gaap_PensionContributions_19EA3B848A6E9FABDFE6950BC49CA1B2" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Cash contributions to pension plans </link:label>
<link:label id="lab_us-gaap_PensionContributions_19EA3B848A6E9FABDFE6950BC49CA1B2_label_en-US" xlink:label="lab_us-gaap_PensionContributions_19EA3B848A6E9FABDFE6950BC49CA1B2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Pension Contributions </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PensionContributions" xlink:label="loc_us-gaap_PensionContributions_19EA3B848A6E9FABDFE6950BC49CA1B2" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PensionContributions_19EA3B848A6E9FABDFE6950BC49CA1B2" xlink:to="lab_us-gaap_PensionContributions_19EA3B848A6E9FABDFE6950BC49CA1B2" xlink:type="arc"/>
<link:label id="lab_us-gaap_PaymentsForRestructuring_BF6867663097FAEB8C6A950BC49C5C91_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsForRestructuring_BF6867663097FAEB8C6A950BC49C5C91" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Restructuring cash expenditures </link:label>
<link:label id="lab_us-gaap_PaymentsForRestructuring_BF6867663097FAEB8C6A950BC49C5C91_label_en-US" xlink:label="lab_us-gaap_PaymentsForRestructuring_BF6867663097FAEB8C6A950BC49C5C91" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments for Restructuring </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsForRestructuring" xlink:label="loc_us-gaap_PaymentsForRestructuring_BF6867663097FAEB8C6A950BC49C5C91" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsForRestructuring_BF6867663097FAEB8C6A950BC49C5C91" xlink:to="lab_us-gaap_PaymentsForRestructuring_BF6867663097FAEB8C6A950BC49C5C91" xlink:type="arc"/>
<link:label id="lab_ppg_CashPaidforAsbestosSettlementFunding_B1102F74C4C190741B97950BC49C68E6_negatedTerseLabel_en-US" xlink:label="lab_ppg_CashPaidforAsbestosSettlementFunding_B1102F74C4C190741B97950BC49C68E6" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Cash Paid for Asbestos Settlement Funding </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_CashPaidforAsbestosSettlementFunding" xlink:label="loc_ppg_CashPaidforAsbestosSettlementFunding_B1102F74C4C190741B97950BC49C68E6" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ppg_CashPaidforAsbestosSettlementFunding_B1102F74C4C190741B97950BC49C68E6" xlink:to="lab_ppg_CashPaidforAsbestosSettlementFunding_B1102F74C4C190741B97950BC49C68E6" xlink:type="arc"/>
<link:label id="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_48A8650B7CB4C0F590A1950BC49CCAF2_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_48A8650B7CB4C0F590A1950BC49CCAF2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Change in certain asset and liability accounts (net of acquisitions): </link:label>
<link:label id="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_48A8650B7CB4C0F590A1950BC49CCAF2_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_48A8650B7CB4C0F590A1950BC49CCAF2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Operating Capital [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_48A8650B7CB4C0F590A1950BC49CCAF2" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncreaseDecreaseInReceivables_02D9D87EF289B411DFCA950BC49C56F1_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInReceivables_02D9D87EF289B411DFCA950BC49C56F1" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Receivables </link:label>
<link:label id="lab_us-gaap_IncreaseDecreaseInReceivables_02D9D87EF289B411DFCA950BC49C56F1_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInReceivables_02D9D87EF289B411DFCA950BC49C56F1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Receivables </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInReceivables" xlink:label="loc_us-gaap_IncreaseDecreaseInReceivables_02D9D87EF289B411DFCA950BC49C56F1" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncreaseDecreaseInInventories_BBCE7858ABDC9FD70236950BC49C188F_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInInventories_BBCE7858ABDC9FD70236950BC49C188F" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Inventories </link:label>
<link:label id="lab_us-gaap_IncreaseDecreaseInInventories_BBCE7858ABDC9FD70236950BC49C188F_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInInventories_BBCE7858ABDC9FD70236950BC49C188F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Inventories </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInInventories" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_BBCE7858ABDC9FD70236950BC49C188F" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncreaseDecreaseInOtherCurrentAssets_637AC5B924ACC62C56A6950BC49CB05A_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherCurrentAssets_637AC5B924ACC62C56A6950BC49CB05A" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Other current assets </link:label>
<link:label id="lab_us-gaap_IncreaseDecreaseInOtherCurrentAssets_637AC5B924ACC62C56A6950BC49CB05A_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherCurrentAssets_637AC5B924ACC62C56A6950BC49CB05A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Other Current Assets </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInOtherCurrentAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherCurrentAssets_637AC5B924ACC62C56A6950BC49CB05A" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_AF3FA3F992465C162E3E950BC49C9A79_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_AF3FA3F992465C162E3E950BC49C9A79" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accounts payable and accrued liabilities </link:label>
<link:label id="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_AF3FA3F992465C162E3E950BC49C9A79_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_AF3FA3F992465C162E3E950BC49C9A79" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Accounts Payable and Accrued Liabilities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_AF3FA3F992465C162E3E950BC49C9A79" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncreaseDecreaseInOtherOperatingAssets_3E63BAD14A0903EAE273950BC49CACC0_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherOperatingAssets_3E63BAD14A0903EAE273950BC49CACC0" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Noncurrent assets and liabilities, net </link:label>
<link:label id="lab_us-gaap_IncreaseDecreaseInOtherOperatingAssets_3E63BAD14A0903EAE273950BC49CACC0_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherOperatingAssets_3E63BAD14A0903EAE273950BC49CACC0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Other Operating Assets </link:label>
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<link:label id="lab_ppg_IncreaseDecreaseInInAccruedInterestAndTaxes_5684E742A8C9DCA2F577950BC49C3CDA_negatedLabel_en-US" xlink:label="lab_ppg_IncreaseDecreaseInInAccruedInterestAndTaxes_5684E742A8C9DCA2F577950BC49C3CDA" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Taxes and interest payable </link:label>
<link:label id="lab_ppg_IncreaseDecreaseInInAccruedInterestAndTaxes_5684E742A8C9DCA2F577950BC49C3CDA_label_en-US" xlink:label="lab_ppg_IncreaseDecreaseInInAccruedInterestAndTaxes_5684E742A8C9DCA2F577950BC49C3CDA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase Decrease In In Accrued Interest And Taxes </link:label>
<link:label id="lab_ppg_IncreaseDecreaseInInAccruedInterestAndTaxes_5684E742A8C9DCA2F577950BC49C3CDA_documentation_en-US" xlink:label="lab_ppg_IncreaseDecreaseInInAccruedInterestAndTaxes_5684E742A8C9DCA2F577950BC49C3CDA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Net change in accrued interest and taxes. </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_IncreaseDecreaseInInAccruedInterestAndTaxes" xlink:label="loc_ppg_IncreaseDecreaseInInAccruedInterestAndTaxes_5684E742A8C9DCA2F577950BC49C3CDA" xlink:type="locator"/>
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<link:label id="lab_us-gaap_OtherNoncashIncomeExpense_D1F37433CAAAFA843894950BC49CF7DD_negatedLabel_en-US" xlink:label="lab_us-gaap_OtherNoncashIncomeExpense_D1F37433CAAAFA843894950BC49CF7DD" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Other </link:label>
<link:label id="lab_us-gaap_OtherNoncashIncomeExpense_D1F37433CAAAFA843894950BC49CF7DD_label_en-US" xlink:label="lab_us-gaap_OtherNoncashIncomeExpense_D1F37433CAAAFA843894950BC49CF7DD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Noncash Income (Expense) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherNoncashIncomeExpense" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_D1F37433CAAAFA843894950BC49CF7DD" xlink:type="locator"/>
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<link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_5578285A9D69DA25ACDE950BC49C641F_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_5578285A9D69DA25ACDE950BC49C641F" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Cash from operating activities - continuing operations </link:label>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_5578285A9D69DA25ACDE950BC49C641F_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_5578285A9D69DA25ACDE950BC49C641F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Operating Activities, Continuing Operations </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_5578285A9D69DA25ACDE950BC49C641F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_5578285A9D69DA25ACDE950BC49C641F" xlink:to="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_5578285A9D69DA25ACDE950BC49C641F" xlink:type="arc"/>
<link:label id="lab_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_832F192DC0DF60F98DB4950BC49C8E42_terseLabel_en-US" xlink:label="lab_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_832F192DC0DF60F98DB4950BC49C8E42" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash from operating activities - discontinued operations </link:label>
<link:label id="lab_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_832F192DC0DF60F98DB4950BC49C8E42_label_en-US" xlink:label="lab_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_832F192DC0DF60F98DB4950BC49C8E42" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash Provided by (Used in) Operating Activities, Discontinued Operations </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations" xlink:label="loc_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_832F192DC0DF60F98DB4950BC49C8E42" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_832F192DC0DF60F98DB4950BC49C8E42" xlink:to="lab_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_832F192DC0DF60F98DB4950BC49C8E42" xlink:type="arc"/>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_ECAB1DE1E2AD58490F8E950BC49C4398_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_ECAB1DE1E2AD58490F8E950BC49C4398" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Cash from operating activities </link:label>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_ECAB1DE1E2AD58490F8E950BC49C4398_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_ECAB1DE1E2AD58490F8E950BC49C4398" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Operating Activities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_ECAB1DE1E2AD58490F8E950BC49C4398" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_ECAB1DE1E2AD58490F8E950BC49C4398" xlink:to="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_ECAB1DE1E2AD58490F8E950BC49C4398" xlink:type="arc"/>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_1A71E996D7C6613A5C1A950BC49CC354_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_1A71E996D7C6613A5C1A950BC49CC354" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Investing activities </link:label>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_1A71E996D7C6613A5C1A950BC49CC354_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_1A71E996D7C6613A5C1A950BC49CC354" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Investing Activities [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_1A71E996D7C6613A5C1A950BC49CC354" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_1A71E996D7C6613A5C1A950BC49CC354" xlink:to="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_1A71E996D7C6613A5C1A950BC49CC354" xlink:type="arc"/>
<link:label id="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_1DCB5DE2B4F1D0F5BDA3950BC49C4E59_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_1DCB5DE2B4F1D0F5BDA3950BC49C4E59" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Additions to property and investments </link:label>
<link:label id="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_1DCB5DE2B4F1D0F5BDA3950BC49C4E59_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_1DCB5DE2B4F1D0F5BDA3950BC49C4E59" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments to Acquire Property, Plant, and Equipment </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_1DCB5DE2B4F1D0F5BDA3950BC49C4E59" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_1DCB5DE2B4F1D0F5BDA3950BC49C4E59" xlink:to="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_1DCB5DE2B4F1D0F5BDA3950BC49C4E59" xlink:type="arc"/>
<link:label id="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_16CF164BB3C4DCED8E2A950BC49C20B3_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_16CF164BB3C4DCED8E2A950BC49C20B3" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Business acquisitions, net of cash balances acquired (See Note 2) </link:label>
<link:label id="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_16CF164BB3C4DCED8E2A950BC49C20B3_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_16CF164BB3C4DCED8E2A950BC49C20B3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments to Acquire Businesses, Net of Cash Acquired </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_16CF164BB3C4DCED8E2A950BC49C20B3" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_16CF164BB3C4DCED8E2A950BC49C20B3" xlink:to="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_16CF164BB3C4DCED8E2A950BC49C20B3" xlink:type="arc"/>
<link:label id="lab_us-gaap_PaymentsToAcquireEquityMethodInvestments_05394D12F0B8C609CE5B950BC49DF1F1_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireEquityMethodInvestments_05394D12F0B8C609CE5B950BC49DF1F1" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Payments to Acquire Equity Method Investments </link:label>
<link:label id="lab_us-gaap_PaymentsToAcquireEquityMethodInvestments_05394D12F0B8C609CE5B950BC49DF1F1_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireEquityMethodInvestments_05394D12F0B8C609CE5B950BC49DF1F1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments to Acquire Equity Method Investments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsToAcquireEquityMethodInvestments" xlink:label="loc_us-gaap_PaymentsToAcquireEquityMethodInvestments_05394D12F0B8C609CE5B950BC49DF1F1" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToAcquireEquityMethodInvestments_05394D12F0B8C609CE5B950BC49DF1F1" xlink:to="lab_us-gaap_PaymentsToAcquireEquityMethodInvestments_05394D12F0B8C609CE5B950BC49DF1F1" xlink:type="arc"/>
<link:label id="lab_us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested_F316484091E14A5F546A950BC49DEC78_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested_F316484091E14A5F546A950BC49DEC78" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net proceeds from the sale of businesses </link:label>
<link:label id="lab_us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested_F316484091E14A5F546A950BC49DEC78_label_en-US" xlink:label="lab_us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested_F316484091E14A5F546A950BC49DEC78" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from Divestiture of Businesses, Net of Cash Divested </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested" xlink:label="loc_us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested_F316484091E14A5F546A950BC49DEC78" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested_F316484091E14A5F546A950BC49DEC78" xlink:to="lab_us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested_F316484091E14A5F546A950BC49DEC78" xlink:type="arc"/>
<link:label id="lab_us-gaap_ProceedsFromSaleMaturityAndCollectionOfShorttermInvestments_347B1BAD03563D2B84BD950BC49D7234_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleMaturityAndCollectionOfShorttermInvestments_347B1BAD03563D2B84BD950BC49D7234" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Proceeds from maturity of short-term investments </link:label>
<link:label id="lab_us-gaap_ProceedsFromSaleMaturityAndCollectionOfShorttermInvestments_347B1BAD03563D2B84BD950BC49D7234_label_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleMaturityAndCollectionOfShorttermInvestments_347B1BAD03563D2B84BD950BC49D7234" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from Sale, Maturity and Collection of Short-term Investments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProceedsFromSaleMaturityAndCollectionOfShorttermInvestments" xlink:label="loc_us-gaap_ProceedsFromSaleMaturityAndCollectionOfShorttermInvestments_347B1BAD03563D2B84BD950BC49D7234" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromSaleMaturityAndCollectionOfShorttermInvestments_347B1BAD03563D2B84BD950BC49D7234" xlink:to="lab_us-gaap_ProceedsFromSaleMaturityAndCollectionOfShorttermInvestments_347B1BAD03563D2B84BD950BC49D7234" xlink:type="arc"/>
<link:label id="lab_us-gaap_PaymentsToAcquireShortTermInvestments_A94F94A0B41550DDBA09950BC49D62A4_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireShortTermInvestments_A94F94A0B41550DDBA09950BC49D62A4" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Purchase of short-term investments </link:label>
<link:label id="lab_us-gaap_PaymentsToAcquireShortTermInvestments_A94F94A0B41550DDBA09950BC49D62A4_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireShortTermInvestments_A94F94A0B41550DDBA09950BC49D62A4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments to Acquire Short-term Investments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsToAcquireShortTermInvestments" xlink:label="loc_us-gaap_PaymentsToAcquireShortTermInvestments_A94F94A0B41550DDBA09950BC49D62A4" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToAcquireShortTermInvestments_A94F94A0B41550DDBA09950BC49D62A4" xlink:to="lab_us-gaap_PaymentsToAcquireShortTermInvestments_A94F94A0B41550DDBA09950BC49D62A4" xlink:type="arc"/>
<link:label id="lab_us-gaap_PaymentsForHedgeInvestingActivities_B86144D44E12F66404B3950BC49DCB15_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsForHedgeInvestingActivities_B86144D44E12F66404B3950BC49DCB15" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Payments for the settlement of cross currency swap contracts </link:label>
<link:label id="lab_us-gaap_PaymentsForHedgeInvestingActivities_B86144D44E12F66404B3950BC49DCB15_label_en-US" xlink:label="lab_us-gaap_PaymentsForHedgeInvestingActivities_B86144D44E12F66404B3950BC49DCB15" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments for Hedge, Investing Activities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsForHedgeInvestingActivities" xlink:label="loc_us-gaap_PaymentsForHedgeInvestingActivities_B86144D44E12F66404B3950BC49DCB15" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsForHedgeInvestingActivities_B86144D44E12F66404B3950BC49DCB15" xlink:to="lab_us-gaap_PaymentsForHedgeInvestingActivities_B86144D44E12F66404B3950BC49DCB15" xlink:type="arc"/>
<link:label id="lab_us-gaap_ProceedsFromHedgeInvestingActivities_03E4839FD895B9DA499B950BC49D107B_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromHedgeInvestingActivities_03E4839FD895B9DA499B950BC49D107B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Proceeds from the settlement of cross currency swap contracts </link:label>
<link:label id="lab_us-gaap_ProceedsFromHedgeInvestingActivities_03E4839FD895B9DA499B950BC49D107B_label_en-US" xlink:label="lab_us-gaap_ProceedsFromHedgeInvestingActivities_03E4839FD895B9DA499B950BC49D107B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from Hedge, Investing Activities </link:label>
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<link:label id="lab_us-gaap_PaymentsForProceedsFromHedgeInvestingActivities_99EBE9CFB2C8668783E9950BC49D9DBA_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsForProceedsFromHedgeInvestingActivities_99EBE9CFB2C8668783E9950BC49D9DBA" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> (Payments on) / Proceeds from net investment hedges </link:label>
<link:label id="lab_us-gaap_PaymentsForProceedsFromHedgeInvestingActivities_99EBE9CFB2C8668783E9950BC49D9DBA_label_en-US" xlink:label="lab_us-gaap_PaymentsForProceedsFromHedgeInvestingActivities_99EBE9CFB2C8668783E9950BC49D9DBA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments for (Proceeds from) Hedge, Investing Activities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsForProceedsFromHedgeInvestingActivities" xlink:label="loc_us-gaap_PaymentsForProceedsFromHedgeInvestingActivities_99EBE9CFB2C8668783E9950BC49D9DBA" xlink:type="locator"/>
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<link:label id="lab_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_A5E1CD25E7F0A3131085950BC49D6A30_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_A5E1CD25E7F0A3131085950BC49D6A30" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Other </link:label>
<link:label id="lab_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_A5E1CD25E7F0A3131085950BC49D6A30_label_en-US" xlink:label="lab_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_A5E1CD25E7F0A3131085950BC49D6A30" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments for (Proceeds from) Other Investing Activities </link:label>
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<link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_DABED3D69F29A67C0724950BC49D6FBC_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_DABED3D69F29A67C0724950BC49D6FBC" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Cash (used for)/from investing activities - continuing operations </link:label>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_DABED3D69F29A67C0724950BC49D6FBC_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_DABED3D69F29A67C0724950BC49D6FBC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Investing Activities, Continuing Operations </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_DABED3D69F29A67C0724950BC49D6FBC" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_DABED3D69F29A67C0724950BC49D6FBC" xlink:to="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_DABED3D69F29A67C0724950BC49D6FBC" xlink:type="arc"/>
<link:label id="lab_us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations_8F635724EDED71D25D9A950BC49D4E14_terseLabel_en-US" xlink:label="lab_us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations_8F635724EDED71D25D9A950BC49D4E14" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash used for investing activities - discontinued operations </link:label>
<link:label id="lab_us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations_8F635724EDED71D25D9A950BC49D4E14_label_en-US" xlink:label="lab_us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations_8F635724EDED71D25D9A950BC49D4E14" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash Provided by (Used in) Investing Activities, Discontinued Operations </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations" xlink:label="loc_us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations_8F635724EDED71D25D9A950BC49D4E14" xlink:type="locator"/>
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<link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_B79EBA03507313A0E959950BC49D5D69_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_B79EBA03507313A0E959950BC49D5D69" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Cash (used for)/from investing activities </link:label>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_B79EBA03507313A0E959950BC49D5D69_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_B79EBA03507313A0E959950BC49D5D69" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Investing Activities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_B79EBA03507313A0E959950BC49D5D69" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_B79EBA03507313A0E959950BC49D5D69" xlink:to="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_B79EBA03507313A0E959950BC49D5D69" xlink:type="arc"/>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_64A288CE995BE91A8541950BC49D7336_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_64A288CE995BE91A8541950BC49D7336" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Financing activities </link:label>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_64A288CE995BE91A8541950BC49D7336_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_64A288CE995BE91A8541950BC49D7336" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Financing Activities [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_64A288CE995BE91A8541950BC49D7336" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_64A288CE995BE91A8541950BC49D7336" xlink:to="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_64A288CE995BE91A8541950BC49D7336" xlink:type="arc"/>
<link:label id="lab_us-gaap_ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess_F80D34B967080EC05860950BC49DA950_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess_F80D34B967080EC05860950BC49DA950" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net change in borrowings with maturities of three months or less </link:label>
<link:label id="lab_us-gaap_ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess_F80D34B967080EC05860950BC49DA950_label_en-US" xlink:label="lab_us-gaap_ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess_F80D34B967080EC05860950BC49DA950" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from (Repayments of) Short-term Debt, Maturing in Three Months or Less </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess" xlink:label="loc_us-gaap_ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess_F80D34B967080EC05860950BC49DA950" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess_F80D34B967080EC05860950BC49DA950" xlink:to="lab_us-gaap_ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess_F80D34B967080EC05860950BC49DA950" xlink:type="arc"/>
<link:label id="lab_us-gaap_ProceedsFromRepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths_3058D6F400EB951CA682950BC49D9A33_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromRepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths_3058D6F400EB951CA682950BC49D9A33" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net payments on commercial paper and short-term debt </link:label>
<link:label id="lab_us-gaap_ProceedsFromRepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths_3058D6F400EB951CA682950BC49D9A33_label_en-US" xlink:label="lab_us-gaap_ProceedsFromRepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths_3058D6F400EB951CA682950BC49D9A33" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from (Repayments of) Short-term Debt, Maturing in More than Three Months </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProceedsFromRepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths" xlink:label="loc_us-gaap_ProceedsFromRepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths_3058D6F400EB951CA682950BC49D9A33" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromRepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths_3058D6F400EB951CA682950BC49D9A33" xlink:to="lab_us-gaap_ProceedsFromRepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths_3058D6F400EB951CA682950BC49D9A33" xlink:type="arc"/>
<link:label id="lab_us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt_F4216A85CECB5A3EDC17950BC49DAC7B_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt_F4216A85CECB5A3EDC17950BC49DAC7B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Proceeds from long term debt (net of discount and issuance costs) (See Note 8) </link:label>
<link:label id="lab_us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt_F4216A85CECB5A3EDC17950BC49DAC7B_label_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt_F4216A85CECB5A3EDC17950BC49DAC7B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from Issuance of Other Long-term Debt </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt_F4216A85CECB5A3EDC17950BC49DAC7B" xlink:type="locator"/>
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<link:label id="lab_us-gaap_RepaymentsOfDebt_8086AFA5634C13890BA6950BC49D99AB_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_RepaymentsOfDebt_8086AFA5634C13890BA6950BC49D99AB" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Repayment of long-term debt (See Note 8) </link:label>
<link:label id="lab_us-gaap_RepaymentsOfDebt_8086AFA5634C13890BA6950BC49D99AB_label_en-US" xlink:label="lab_us-gaap_RepaymentsOfDebt_8086AFA5634C13890BA6950BC49D99AB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Repayments of Debt </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RepaymentsOfDebt" xlink:label="loc_us-gaap_RepaymentsOfDebt_8086AFA5634C13890BA6950BC49D99AB" xlink:type="locator"/>
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<link:label id="lab_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_B6C9001065908C519391950BC49D462C_terseLabel_en-US" xlink:label="lab_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_B6C9001065908C519391950BC49D462C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Payments Related to Tax Withholding for Share-based Compensation </link:label>
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<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_B6C9001065908C519391950BC49D462C" xlink:type="locator"/>
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<link:label id="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_D74736330C4D99075BED950BC49D64F2_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_D74736330C4D99075BED950BC49D64F2" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Purchase of treasury stock </link:label>
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<link:label id="lab_us-gaap_ProceedsFromSaleOfTreasuryStock_F90DF8571254C81C40AE950BC49D360F_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfTreasuryStock_F90DF8571254C81C40AE950BC49D360F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Issuance of treasury stock </link:label>
<link:label id="lab_us-gaap_ProceedsFromSaleOfTreasuryStock_F90DF8571254C81C40AE950BC49D360F_label_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfTreasuryStock_F90DF8571254C81C40AE950BC49D360F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from Sale of Treasury Stock </link:label>
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<link:label id="lab_us-gaap_PaymentsOfDividends_2964FD04347803DAAD2D950BC49D1DE6_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsOfDividends_2964FD04347803DAAD2D950BC49D1DE6" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Dividends paid on PPG common stock </link:label>
<link:label id="lab_us-gaap_PaymentsOfDividends_2964FD04347803DAAD2D950BC49D1DE6_label_en-US" xlink:label="lab_us-gaap_PaymentsOfDividends_2964FD04347803DAAD2D950BC49D1DE6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments of Dividends </link:label>
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<link:label id="lab_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_EA11C79F880306163CA7950BC49D7058_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_EA11C79F880306163CA7950BC49D7058" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other </link:label>
<link:label id="lab_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_EA11C79F880306163CA7950BC49D7058_label_en-US" xlink:label="lab_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_EA11C79F880306163CA7950BC49D7058" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from (Payments for) Other Financing Activities </link:label>
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<link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_76DF0A8C5A574597C353950BC49E01ED_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_76DF0A8C5A574597C353950BC49E01ED" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Cash used for financing activities - continuing operations </link:label>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_76DF0A8C5A574597C353950BC49E01ED_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_76DF0A8C5A574597C353950BC49E01ED" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Financing Activities, Continuing Operations </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_76DF0A8C5A574597C353950BC49E01ED" xlink:type="locator"/>
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<link:label id="lab_us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations_3101E436FA59FEF8926F950BC49E775D_terseLabel_en-US" xlink:label="lab_us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations_3101E436FA59FEF8926F950BC49E775D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash used for financing activities - discontinued operations </link:label>
<link:label id="lab_us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations_3101E436FA59FEF8926F950BC49E775D_label_en-US" xlink:label="lab_us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations_3101E436FA59FEF8926F950BC49E775D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash Provided by (Used in) Financing Activities, Discontinued Operations </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations" xlink:label="loc_us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations_3101E436FA59FEF8926F950BC49E775D" xlink:type="locator"/>
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<link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_CE587CAAC0BD0E700931950BC49E2604_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_CE587CAAC0BD0E700931950BC49E2604" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Cash used for financing activities </link:label>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_CE587CAAC0BD0E700931950BC49E2604_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_CE587CAAC0BD0E700931950BC49E2604" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Financing Activities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_CE587CAAC0BD0E700931950BC49E2604" xlink:type="locator"/>
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<link:label id="lab_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_9721ED07E955E9AF1B01950BC49E44C5_terseLabel_en-US" xlink:label="lab_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_9721ED07E955E9AF1B01950BC49E44C5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Effect of currency exchange rate changes on cash and cash equivalents </link:label>
<link:label id="lab_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_9721ED07E955E9AF1B01950BC49E44C5_label_en-US" xlink:label="lab_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_9721ED07E955E9AF1B01950BC49E44C5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Effect of Exchange Rate on Cash and Cash Equivalents </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_9721ED07E955E9AF1B01950BC49E44C5" xlink:type="locator"/>
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<link:label id="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_B769CB4CFA7707275A78950BC49E746C_totalLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_B769CB4CFA7707275A78950BC49E746C" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net increase in cash and cash equivalents </link:label>
<link:label id="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_B769CB4CFA7707275A78950BC49E746C_label_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_B769CB4CFA7707275A78950BC49E746C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash and Cash Equivalents, Period Increase (Decrease) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_B769CB4CFA7707275A78950BC49E746C" xlink:type="locator"/>
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<link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_2BB01C3CCCAF3A9ADB01950BC49EFDD6_periodStartLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_2BB01C3CCCAF3A9ADB01950BC49EFDD6" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Cash and cash equivalents, beginning of year </link:label>
<link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_2BB01C3CCCAF3A9ADB01950BC49EFDD6_label_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_2BB01C3CCCAF3A9ADB01950BC49EFDD6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash and Cash Equivalents, at Carrying Value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_2BB01C3CCCAF3A9ADB01950BC49EFDD6" xlink:type="locator"/>
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<link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_F42410150244E3AD1AF1950BC49E7B5F_periodEndLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_F42410150244E3AD1AF1950BC49E7B5F" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Cash and cash equivalents, end of year </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_F42410150244E3AD1AF1950BC49E7B5F" xlink:type="locator"/>
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<link:label id="lab_us-gaap_SupplementalCashFlowInformationAbstract_E79666CB1D9A9E65DDFE950BC49EF045_terseLabel_en-US" xlink:label="lab_us-gaap_SupplementalCashFlowInformationAbstract_E79666CB1D9A9E65DDFE950BC49EF045" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Supplemental disclosures of cash flow information: </link:label>
<link:label id="lab_us-gaap_SupplementalCashFlowInformationAbstract_E79666CB1D9A9E65DDFE950BC49EF045_label_en-US" xlink:label="lab_us-gaap_SupplementalCashFlowInformationAbstract_E79666CB1D9A9E65DDFE950BC49EF045" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Supplemental Cash Flow Information [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SupplementalCashFlowInformationAbstract" xlink:label="loc_us-gaap_SupplementalCashFlowInformationAbstract_E79666CB1D9A9E65DDFE950BC49EF045" xlink:type="locator"/>
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<link:label id="lab_us-gaap_InterestPaid_7C1D7ED70A2CB85BA0E3950BC49E23DF_terseLabel_en-US" xlink:label="lab_us-gaap_InterestPaid_7C1D7ED70A2CB85BA0E3950BC49E23DF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Interest paid, net of amount capitalized </link:label>
<link:label id="lab_us-gaap_InterestPaid_7C1D7ED70A2CB85BA0E3950BC49E23DF_label_en-US" xlink:label="lab_us-gaap_InterestPaid_7C1D7ED70A2CB85BA0E3950BC49E23DF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Interest Paid </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_InterestPaid" xlink:label="loc_us-gaap_InterestPaid_7C1D7ED70A2CB85BA0E3950BC49E23DF" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncomeTaxesPaid_985B2C15A0358894E2AD950BC49E36E0_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxesPaid_985B2C15A0358894E2AD950BC49E36E0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Taxes paid, net of refunds </link:label>
<link:label id="lab_us-gaap_IncomeTaxesPaid_985B2C15A0358894E2AD950BC49E36E0_label_en-US" xlink:label="lab_us-gaap_IncomeTaxesPaid_985B2C15A0358894E2AD950BC49E36E0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Taxes Paid </link:label>
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<link:label id="lab_us-gaap_EarningsPerShareTextBlock_98E20DB9CE784AE846A42A2B70CB9774_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareTextBlock_98E20DB9CE784AE846A42A2B70CB9774" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Earnings Per Common Share </link:label>
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<link:label id="lab_us-gaap_BusinessCombinationsAbstract_6DCB1D286076D45EEF35950BC47D508C_label_en-US" xlink:label="lab_us-gaap_BusinessCombinationsAbstract_6DCB1D286076D45EEF35950BC47D508C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Business Combinations [Abstract] </link:label>
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<link:label id="lab_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_84840ECBADFAC0FC5DCF950BC47D1E92_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_84840ECBADFAC0FC5DCF950BC47D1E92" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Business Acquisitions, by Acquisition [Table] </link:label>
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<link:label id="lab_us-gaap_BusinessAcquisitionAcquireeDomain_BC3A1355D2A9585557DD950BC47E4F4E_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionAcquireeDomain_BC3A1355D2A9585557DD950BC47E4F4E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Business Acquisition, Acquiree [Domain] </link:label>
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<link:label id="lab_ppg_TheCrownGroupMember_F07C23A5FD4B0E14B0D2950BC47E4C14_terseLabel_en-US" xlink:label="lab_ppg_TheCrownGroupMember_F07C23A5FD4B0E14B0D2950BC47E4C14" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> The Crown Group [Member] </link:label>
<link:label id="lab_ppg_TheCrownGroupMember_F07C23A5FD4B0E14B0D2950BC47E4C14_label_en-US" xlink:label="lab_ppg_TheCrownGroupMember_F07C23A5FD4B0E14B0D2950BC47E4C14" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> The Crown Group [Member] </link:label>
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<link:label id="lab_ppg_TaiwanChlorineIndustriesTCIMember_9C6173A73725B8350108950BC47E2CB1_terseLabel_en-US" xlink:label="lab_ppg_TaiwanChlorineIndustriesTCIMember_9C6173A73725B8350108950BC47E2CB1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Taiwan Chlorine Industries (“TCI”) [Member] </link:label>
<link:label id="lab_ppg_TaiwanChlorineIndustriesTCIMember_9C6173A73725B8350108950BC47E2CB1_label_en-US" xlink:label="lab_ppg_TaiwanChlorineIndustriesTCIMember_9C6173A73725B8350108950BC47E2CB1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Taiwan Chlorine Industries (“TCI”) [Member] </link:label>
<link:label id="lab_ppg_TaiwanChlorineIndustriesTCIMember_9C6173A73725B8350108950BC47E2CB1_documentation_en-US" xlink:label="lab_ppg_TaiwanChlorineIndustriesTCIMember_9C6173A73725B8350108950BC47E2CB1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Taiwan Chlorine Industries (“TCI”) [Member] </link:label>
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<link:label id="lab_ppg_MetoKoteCorporationMember_138E4A5637EB76EFD382950BC47EE5D5_terseLabel_en-US" xlink:label="lab_ppg_MetoKoteCorporationMember_138E4A5637EB76EFD382950BC47EE5D5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> MetoKote Corporation [Member] </link:label>
<link:label id="lab_ppg_MetoKoteCorporationMember_138E4A5637EB76EFD382950BC47EE5D5_label_en-US" xlink:label="lab_ppg_MetoKoteCorporationMember_138E4A5637EB76EFD382950BC47EE5D5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> MetoKote Corporation [Member] </link:label>
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<link:loc xlink:href="ppg-20171231.xsd#ppg_MetoKoteCorporationMember" xlink:label="loc_ppg_MetoKoteCorporationMember_138E4A5637EB76EFD382950BC47EE5D5" xlink:type="locator"/>
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<link:label id="lab_us-gaap_BusinessAcquisitionLineItems_FF9FB15C2A66346F0F11950BC47E9F89_verboseLabel_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionLineItems_FF9FB15C2A66346F0F11950BC47E9F89" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Business Acquisition [Line Items] </link:label>
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<link:label id="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_9809CDDF91046CC34C1B9514678A5E87_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_9809CDDF91046CC34C1B9514678A5E87" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net </link:label>
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<link:label id="lab_us-gaap_MinorityInterestOwnershipPercentageByParent_945BADB1FCA1F77C5E0C950BC47EAAAC_terseLabel_en-US" xlink:label="lab_us-gaap_MinorityInterestOwnershipPercentageByParent_945BADB1FCA1F77C5E0C950BC47EAAAC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Noncontrolling Interest, Ownership Percentage by Parent </link:label>
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<link:label id="lab_us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetByMajorClassTable_C51F55CF8DC7BA48457194FEF342191D_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetByMajorClassTable_C51F55CF8DC7BA48457194FEF342191D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table] </link:label>
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<link:label id="lab_us-gaap_DevelopedTechnologyRightsMember_578E124AD169BDB98DA794FEF34290E1_terseLabel_en-US" xlink:label="lab_us-gaap_DevelopedTechnologyRightsMember_578E124AD169BDB98DA794FEF34290E1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Acquired technology </link:label>
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<link:label id="lab_us-gaap_CustomerRelationshipsMember_302FB6E8F9711BE2830D94FEF343C632_terseLabel_en-US" xlink:label="lab_us-gaap_CustomerRelationshipsMember_302FB6E8F9711BE2830D94FEF343C632" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Customer-related </link:label>
<link:label id="lab_us-gaap_CustomerRelationshipsMember_302FB6E8F9711BE2830D94FEF343C632_label_en-US" xlink:label="lab_us-gaap_CustomerRelationshipsMember_302FB6E8F9711BE2830D94FEF343C632" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Customer Relationships [Member] </link:label>
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<link:label id="lab_us-gaap_TradeNamesMember_B11CD55D3B5D2C24017094FEF34382EB_terseLabel_en-US" xlink:label="lab_us-gaap_TradeNamesMember_B11CD55D3B5D2C24017094FEF34382EB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Tradenames </link:label>
<link:label id="lab_us-gaap_TradeNamesMember_B11CD55D3B5D2C24017094FEF34382EB_label_en-US" xlink:label="lab_us-gaap_TradeNamesMember_B11CD55D3B5D2C24017094FEF34382EB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Trade Names [Member] </link:label>
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<link:label id="lab_us-gaap_OtherIntangibleAssetsMember_668379A3A9EE26F2C8C894FEF3438989_terseLabel_en-US" xlink:label="lab_us-gaap_OtherIntangibleAssetsMember_668379A3A9EE26F2C8C894FEF3438989" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other </link:label>
<link:label id="lab_us-gaap_OtherIntangibleAssetsMember_668379A3A9EE26F2C8C894FEF3438989_label_en-US" xlink:label="lab_us-gaap_OtherIntangibleAssetsMember_668379A3A9EE26F2C8C894FEF3438989" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Intangible Assets [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherIntangibleAssetsMember" xlink:label="loc_us-gaap_OtherIntangibleAssetsMember_668379A3A9EE26F2C8C894FEF3438989" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_D48B745473FBD2D8B4E594FEF3433BC7_terseLabel_en-US" xlink:label="lab_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_D48B745473FBD2D8B4E594FEF3433BC7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Acquired Finite-Lived Intangible Assets [Line Items] </link:label>
<link:label id="lab_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_D48B745473FBD2D8B4E594FEF3433BC7_label_en-US" xlink:label="lab_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_D48B745473FBD2D8B4E594FEF3433BC7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Acquired Finite-Lived Intangible Assets [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems" xlink:label="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_D48B745473FBD2D8B4E594FEF3433BC7" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IndefiniteLivedTrademarks_D1E4CCF29FB871C9025B94FEF343641F_terseLabel_en-US" xlink:label="lab_us-gaap_IndefiniteLivedTrademarks_D1E4CCF29FB871C9025B94FEF343641F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Carrying amount of acquired trademarks with indefinite lives </link:label>
<link:label id="lab_us-gaap_IndefiniteLivedTrademarks_D1E4CCF29FB871C9025B94FEF343641F_label_en-US" xlink:label="lab_us-gaap_IndefiniteLivedTrademarks_D1E4CCF29FB871C9025B94FEF343641F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Indefinite-Lived Trademarks </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IndefiniteLivedTrademarks" xlink:label="loc_us-gaap_IndefiniteLivedTrademarks_D1E4CCF29FB871C9025B94FEF343641F" xlink:type="locator"/>
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<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsGross_EE19A24AD4F9DFA458B494FEF343F227_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsGross_EE19A24AD4F9DFA458B494FEF343F227" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Gross Carrying Amount </link:label>
<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsGross_EE19A24AD4F9DFA458B494FEF343F227_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsGross_EE19A24AD4F9DFA458B494FEF343F227" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Gross </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_EE19A24AD4F9DFA458B494FEF343F227" xlink:type="locator"/>
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<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_0CF6AEA184D6341A288194FEF343E1F5_negatedLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_0CF6AEA184D6341A288194FEF343E1F5" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Accumulated Amortization </link:label>
<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_0CF6AEA184D6341A288194FEF343E1F5_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_0CF6AEA184D6341A288194FEF343E1F5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Accumulated Amortization </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_0CF6AEA184D6341A288194FEF343E1F5" xlink:type="locator"/>
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<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsNet_D07978D2081EBC84037D94FEF343001A_totalLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsNet_D07978D2081EBC84037D94FEF343001A" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net </link:label>
<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsNet_D07978D2081EBC84037D94FEF343001A_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsNet_D07978D2081EBC84037D94FEF343001A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Net </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_D07978D2081EBC84037D94FEF343001A" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AmortizationOfIntangibleAssets_EE26F43E9CE21B82165F94FEF343B18D_verboseLabel_en-US" xlink:label="lab_us-gaap_AmortizationOfIntangibleAssets_EE26F43E9CE21B82165F94FEF343B18D" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Aggregate amortization expense of identifiable intangible assets </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_EE26F43E9CE21B82165F94FEF343B18D" xlink:type="locator"/>
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<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_570ABC8076A97FF1573C94FEF343AE91_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_570ABC8076A97FF1573C94FEF343AE91" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Estimated future amortization of identifiable intangible assets in 2018 </link:label>
<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_570ABC8076A97FF1573C94FEF343AE91_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_570ABC8076A97FF1573C94FEF343AE91" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_570ABC8076A97FF1573C94FEF343AE91" xlink:type="locator"/>
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<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_F46DF8D5EACDDCC8B4BB94FEF343D78E_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_F46DF8D5EACDDCC8B4BB94FEF343D78E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Estimated future amortization of identifiable intangible assets in 2019 </link:label>
<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_F46DF8D5EACDDCC8B4BB94FEF343D78E_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_F46DF8D5EACDDCC8B4BB94FEF343D78E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Amortization Expense, Year Two </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_F46DF8D5EACDDCC8B4BB94FEF343D78E" xlink:type="locator"/>
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<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_452786262405D11764AE94FEF343E0E1_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_452786262405D11764AE94FEF343E0E1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Estimated future amortization of identifiable intangible assets in 2020 </link:label>
<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_452786262405D11764AE94FEF343E0E1_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_452786262405D11764AE94FEF343E0E1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Amortization Expense, Year Three </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_452786262405D11764AE94FEF343E0E1" xlink:type="locator"/>
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<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_486576F42B14320B866B94FEF3432E94_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_486576F42B14320B866B94FEF3432E94" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Estimated future amortization of identifiable intangible assets in 2021 </link:label>
<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_486576F42B14320B866B94FEF3432E94_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_486576F42B14320B866B94FEF3432E94" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Amortization Expense, Year Four </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_486576F42B14320B866B94FEF3432E94" xlink:type="locator"/>
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<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_4C3ADCB20DF98CE91EEA94FEF3438EC2_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_4C3ADCB20DF98CE91EEA94FEF3438EC2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Estimated future amortization of identifiable intangible assets in 2022 </link:label>
<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_4C3ADCB20DF98CE91EEA94FEF3438EC2_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_4C3ADCB20DF98CE91EEA94FEF3438EC2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Amortization Expense, Year Five </link:label>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_4D0170ADB2FB9C33E7E92A2B6EB818FF_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_4D0170ADB2FB9C33E7E92A2B6EB818FF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Total intrinsic value of stock options exercised </link:label>
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<link:label id="lab_ppg_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueOfAwardsVested_62A2EEEA60693D465A562A2B6EB93C15_terseLabel_en-US" xlink:label="lab_ppg_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueOfAwardsVested_62A2EEEA60693D465A562A2B6EB93C15" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Total fair value of stock options vested </link:label>
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<link:label id="lab_us-gaap_ShortTermInvestments_0D6BE1F3951C5EE02D9D950BC4AD6FA4_terseLabel_en-US" xlink:label="lab_us-gaap_ShortTermInvestments_0D6BE1F3951C5EE02D9D950BC4AD6FA4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Short-term investments </link:label>
<link:label id="lab_us-gaap_ShortTermInvestments_0D6BE1F3951C5EE02D9D950BC4AD6FA4_label_en-US" xlink:label="lab_us-gaap_ShortTermInvestments_0D6BE1F3951C5EE02D9D950BC4AD6FA4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Short-term Investments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShortTermInvestments" xlink:label="loc_us-gaap_ShortTermInvestments_0D6BE1F3951C5EE02D9D950BC4AD6FA4" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ReceivablesNetCurrent_7692829B1D2AABE37829950BC4AD7619_terseLabel_en-US" xlink:label="lab_us-gaap_ReceivablesNetCurrent_7692829B1D2AABE37829950BC4AD7619" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Receivables </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ReceivablesNetCurrent" xlink:label="loc_us-gaap_ReceivablesNetCurrent_7692829B1D2AABE37829950BC4AD7619" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ReceivablesNetCurrent_7692829B1D2AABE37829950BC4AD7619" xlink:to="lab_us-gaap_ReceivablesNetCurrent_7692829B1D2AABE37829950BC4AD7619" xlink:type="arc"/>
<link:label id="lab_us-gaap_InventoryNet_5DAFE4DBE529E3355FE8950BC4AD12B5_terseLabel_en-US" xlink:label="lab_us-gaap_InventoryNet_5DAFE4DBE529E3355FE8950BC4AD12B5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Inventories </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_InventoryNet" xlink:label="loc_us-gaap_InventoryNet_5DAFE4DBE529E3355FE8950BC4AD12B5" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InventoryNet_5DAFE4DBE529E3355FE8950BC4AD12B5" xlink:to="lab_us-gaap_InventoryNet_5DAFE4DBE529E3355FE8950BC4AD12B5" xlink:type="arc"/>
<link:label id="lab_us-gaap_AssetsHeldForSaleNotPartOfDisposalGroupCurrent_75C48C88575D8A7971FD950BC4AE09BD_netLabel_en-US" xlink:label="lab_us-gaap_AssetsHeldForSaleNotPartOfDisposalGroupCurrent_75C48C88575D8A7971FD950BC4AE09BD" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:type="resource" xml:lang="en-US"> Assets held-for-sale </link:label>
<link:label id="lab_us-gaap_AssetsHeldForSaleNotPartOfDisposalGroupCurrent_75C48C88575D8A7971FD950BC4AE09BD_label_en-US" xlink:label="lab_us-gaap_AssetsHeldForSaleNotPartOfDisposalGroupCurrent_75C48C88575D8A7971FD950BC4AE09BD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Assets Held-for-sale, Not Part of Disposal Group, Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AssetsHeldForSaleNotPartOfDisposalGroupCurrent" xlink:label="loc_us-gaap_AssetsHeldForSaleNotPartOfDisposalGroupCurrent_75C48C88575D8A7971FD950BC4AE09BD" xlink:type="locator"/>
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<link:label id="lab_us-gaap_OtherAssetsCurrent_BFB73A1F3B71660A4524950BC4AED9A6_terseLabel_en-US" xlink:label="lab_us-gaap_OtherAssetsCurrent_BFB73A1F3B71660A4524950BC4AED9A6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other </link:label>
<link:label id="lab_us-gaap_OtherAssetsCurrent_BFB73A1F3B71660A4524950BC4AED9A6_label_en-US" xlink:label="lab_us-gaap_OtherAssetsCurrent_BFB73A1F3B71660A4524950BC4AED9A6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Assets, Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherAssetsCurrent" xlink:label="loc_us-gaap_OtherAssetsCurrent_BFB73A1F3B71660A4524950BC4AED9A6" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherAssetsCurrent_BFB73A1F3B71660A4524950BC4AED9A6" xlink:to="lab_us-gaap_OtherAssetsCurrent_BFB73A1F3B71660A4524950BC4AED9A6" xlink:type="arc"/>
<link:label id="lab_us-gaap_AssetsCurrent_753F51C8FCCB0E88B13A950BC4AE06D8_totalLabel_en-US" xlink:label="lab_us-gaap_AssetsCurrent_753F51C8FCCB0E88B13A950BC4AE06D8" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total current assets </link:label>
<link:label id="lab_us-gaap_AssetsCurrent_753F51C8FCCB0E88B13A950BC4AE06D8_label_en-US" xlink:label="lab_us-gaap_AssetsCurrent_753F51C8FCCB0E88B13A950BC4AE06D8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Assets, Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="loc_us-gaap_AssetsCurrent_753F51C8FCCB0E88B13A950BC4AE06D8" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsCurrent_753F51C8FCCB0E88B13A950BC4AE06D8" xlink:to="lab_us-gaap_AssetsCurrent_753F51C8FCCB0E88B13A950BC4AE06D8" xlink:type="arc"/>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentNet_F60A6BFF5338491C4562950BC4AE42F8_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNet_F60A6BFF5338491C4562950BC4AE42F8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property, plant and equipment, net </link:label>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentNet_F60A6BFF5338491C4562950BC4AE42F8_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNet_F60A6BFF5338491C4562950BC4AE42F8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment, Net </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_F60A6BFF5338491C4562950BC4AE42F8" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_F60A6BFF5338491C4562950BC4AE42F8" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentNet_F60A6BFF5338491C4562950BC4AE42F8" xlink:type="arc"/>
<link:label id="lab_us-gaap_Goodwill_64C102F1C15AEB80C7B1950BC4AEFBAD_terseLabel_en-US" xlink:label="lab_us-gaap_Goodwill_64C102F1C15AEB80C7B1950BC4AEFBAD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Goodwill </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_64C102F1C15AEB80C7B1950BC4AEFBAD" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Goodwill_64C102F1C15AEB80C7B1950BC4AEFBAD" xlink:to="lab_us-gaap_Goodwill_64C102F1C15AEB80C7B1950BC4AEFBAD" xlink:type="arc"/>
<link:label id="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill_22C8B30A9D6DE320E143950BC4AEA79F_terseLabel_en-US" xlink:label="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill_22C8B30A9D6DE320E143950BC4AEA79F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Identifiable intangible assets, net </link:label>
<link:label id="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill_22C8B30A9D6DE320E143950BC4AEA79F_label_en-US" xlink:label="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill_22C8B30A9D6DE320E143950BC4AEA79F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Intangible Assets, Net (Excluding Goodwill) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_22C8B30A9D6DE320E143950BC4AEA79F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_22C8B30A9D6DE320E143950BC4AEA79F" xlink:to="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill_22C8B30A9D6DE320E143950BC4AEA79F" xlink:type="arc"/>
<link:label id="lab_us-gaap_DeferredTaxAssetsNetNoncurrent_2511A2864C420AF975E2950BC4AED5C8_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredTaxAssetsNetNoncurrent_2511A2864C420AF975E2950BC4AED5C8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Deferred income taxes </link:label>
<link:label id="lab_us-gaap_DeferredTaxAssetsNetNoncurrent_2511A2864C420AF975E2950BC4AED5C8_label_en-US" xlink:label="lab_us-gaap_DeferredTaxAssetsNetNoncurrent_2511A2864C420AF975E2950BC4AED5C8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred Tax Assets, Net of Valuation Allowance, Noncurrent </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DeferredTaxAssetsNetNoncurrent" xlink:label="loc_us-gaap_DeferredTaxAssetsNetNoncurrent_2511A2864C420AF975E2950BC4AED5C8" xlink:type="locator"/>
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<link:label id="lab_us-gaap_LongTermInvestments_B4F1773754E70B32B439950BC4AE3750_verboseLabel_en-US" xlink:label="lab_us-gaap_LongTermInvestments_B4F1773754E70B32B439950BC4AE3750" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Investments </link:label>
<link:label id="lab_us-gaap_LongTermInvestments_B4F1773754E70B32B439950BC4AE3750_label_en-US" xlink:label="lab_us-gaap_LongTermInvestments_B4F1773754E70B32B439950BC4AE3750" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Investments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongTermInvestments" xlink:label="loc_us-gaap_LongTermInvestments_B4F1773754E70B32B439950BC4AE3750" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermInvestments_B4F1773754E70B32B439950BC4AE3750" xlink:to="lab_us-gaap_LongTermInvestments_B4F1773754E70B32B439950BC4AE3750" xlink:type="arc"/>
<link:label id="lab_us-gaap_OtherAssetsNoncurrent_EB4271BAF8643F0B3BEF950BC4AE42B4_terseLabel_en-US" xlink:label="lab_us-gaap_OtherAssetsNoncurrent_EB4271BAF8643F0B3BEF950BC4AE42B4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other assets </link:label>
<link:label id="lab_us-gaap_OtherAssetsNoncurrent_EB4271BAF8643F0B3BEF950BC4AE42B4_label_en-US" xlink:label="lab_us-gaap_OtherAssetsNoncurrent_EB4271BAF8643F0B3BEF950BC4AE42B4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Assets, Noncurrent </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_EB4271BAF8643F0B3BEF950BC4AE42B4" xlink:type="locator"/>
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<link:label id="lab_us-gaap_Assets_ED46D4BF5F838B555B07950BC4AE4EA6_totalLabel_en-US" xlink:label="lab_us-gaap_Assets_ED46D4BF5F838B555B07950BC4AE4EA6" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_ED46D4BF5F838B555B07950BC4AE4EA6" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Assets_ED46D4BF5F838B555B07950BC4AE4EA6" xlink:to="lab_us-gaap_Assets_ED46D4BF5F838B555B07950BC4AE4EA6" xlink:type="arc"/>
<link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_C22D44E09C65C8D69A69950BC4AE8EE5_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_C22D44E09C65C8D69A69950BC4AE8EE5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Liabilities and Shareholders’ Equity </link:label>
<link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_C22D44E09C65C8D69A69950BC4AE8EE5_label_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_C22D44E09C65C8D69A69950BC4AE8EE5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liabilities and Equity [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_C22D44E09C65C8D69A69950BC4AE8EE5" xlink:type="locator"/>
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<link:label id="lab_us-gaap_LiabilitiesCurrentAbstract_BED520A33A5B12F85B73950BC4AE68CB_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrentAbstract_BED520A33A5B12F85B73950BC4AE68CB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Current liabilities </link:label>
<link:label id="lab_us-gaap_LiabilitiesCurrentAbstract_BED520A33A5B12F85B73950BC4AE68CB_label_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrentAbstract_BED520A33A5B12F85B73950BC4AE68CB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liabilities, Current [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract_BED520A33A5B12F85B73950BC4AE68CB" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_B9AB58B2D3406223D463950BC4AEB890_terseLabel_en-US" xlink:label="lab_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_B9AB58B2D3406223D463950BC4AEB890" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accounts payable and accrued liabilities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_B9AB58B2D3406223D463950BC4AEB890" xlink:type="locator"/>
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<link:label id="lab_us-gaap_RestructuringReserveCurrent_5E4252597CFC99A7A19A950BC4AE5D20_terseLabel_en-US" xlink:label="lab_us-gaap_RestructuringReserveCurrent_5E4252597CFC99A7A19A950BC4AE5D20" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Restructuring reserves </link:label>
<link:label id="lab_us-gaap_RestructuringReserveCurrent_5E4252597CFC99A7A19A950BC4AE5D20_label_en-US" xlink:label="lab_us-gaap_RestructuringReserveCurrent_5E4252597CFC99A7A19A950BC4AE5D20" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Restructuring Reserve, Current </link:label>
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<link:label id="lab_us-gaap_DebtCurrent_053F3F7E916B20E2D6E1950BC4AEE248_verboseLabel_en-US" xlink:label="lab_us-gaap_DebtCurrent_053F3F7E916B20E2D6E1950BC4AEE248" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Short-term debt and current portion of long-term debt </link:label>
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<link:label id="lab_us-gaap_LiabilitiesCurrent_B50576BB3A608961C85A950BC4AEE993_totalLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrent_B50576BB3A608961C85A950BC4AEE993" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total current liabilities </link:label>
<link:label id="lab_us-gaap_LiabilitiesCurrent_B50576BB3A608961C85A950BC4AEE993_label_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrent_B50576BB3A608961C85A950BC4AEE993" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liabilities, Current </link:label>
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<link:label id="lab_us-gaap_LongTermDebtNoncurrent_0CD29DA0411CFD2737DD950BC4AE4BB0_verboseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtNoncurrent_0CD29DA0411CFD2737DD950BC4AE4BB0" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Long-term debt </link:label>
<link:label id="lab_us-gaap_LongTermDebtNoncurrent_0CD29DA0411CFD2737DD950BC4AE4BB0_label_en-US" xlink:label="lab_us-gaap_LongTermDebtNoncurrent_0CD29DA0411CFD2737DD950BC4AE4BB0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Excluding Current Maturities </link:label>
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<link:label id="lab_us-gaap_DefinedBenefitPensionPlanLiabilitiesNoncurrent_38AAAE2E8DBDFD3D2DF0950BC4AEBEC7_verboseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPensionPlanLiabilitiesNoncurrent_38AAAE2E8DBDFD3D2DF0950BC4AEBEC7" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Accrued pensions </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DefinedBenefitPensionPlanLiabilitiesNoncurrent" xlink:label="loc_us-gaap_DefinedBenefitPensionPlanLiabilitiesNoncurrent_38AAAE2E8DBDFD3D2DF0950BC4AEBEC7" xlink:type="locator"/>
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<link:label id="lab_us-gaap_OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent_64B5AD781FDABC9F8F44950BC4AE02F1_terseLabel_en-US" xlink:label="lab_us-gaap_OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent_64B5AD781FDABC9F8F44950BC4AE02F1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other postretirement benefits </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent" xlink:label="loc_us-gaap_OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent_64B5AD781FDABC9F8F44950BC4AE02F1" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DeferredTaxLiabilitiesNoncurrent_44298044E141979927BA950BC4AEE5B3_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredTaxLiabilitiesNoncurrent_44298044E141979927BA950BC4AEE5B3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Deferred income taxes </link:label>
<link:label id="lab_us-gaap_DeferredTaxLiabilitiesNoncurrent_44298044E141979927BA950BC4AEE5B3_label_en-US" xlink:label="lab_us-gaap_DeferredTaxLiabilitiesNoncurrent_44298044E141979927BA950BC4AEE5B3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred Tax Liabilities, Net, Noncurrent </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DeferredTaxLiabilitiesNoncurrent" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesNoncurrent_44298044E141979927BA950BC4AEE5B3" xlink:type="locator"/>
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<link:label id="lab_us-gaap_OtherLiabilitiesNoncurrent_56926D599D5EE6350934950BC4AFA8A5_terseLabel_en-US" xlink:label="lab_us-gaap_OtherLiabilitiesNoncurrent_56926D599D5EE6350934950BC4AFA8A5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other liabilities </link:label>
<link:label id="lab_us-gaap_OtherLiabilitiesNoncurrent_56926D599D5EE6350934950BC4AFA8A5_label_en-US" xlink:label="lab_us-gaap_OtherLiabilitiesNoncurrent_56926D599D5EE6350934950BC4AFA8A5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Liabilities, Noncurrent </link:label>
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<link:label id="lab_us-gaap_Liabilities_6347AFFE6BA69B3245E6950BC4AFF631_totalLabel_en-US" xlink:label="lab_us-gaap_Liabilities_6347AFFE6BA69B3245E6950BC4AFF631" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total liabilities </link:label>
<link:label id="lab_us-gaap_Liabilities_6347AFFE6BA69B3245E6950BC4AFF631_label_en-US" xlink:label="lab_us-gaap_Liabilities_6347AFFE6BA69B3245E6950BC4AFF631" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liabilities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaap_Liabilities_6347AFFE6BA69B3245E6950BC4AFF631" xlink:type="locator"/>
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<link:label id="lab_us-gaap_CommitmentsAndContingencies_7EB3FEF1FF7855E2099E950BC4AFA292_terseLabel_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingencies_7EB3FEF1FF7855E2099E950BC4AFA292" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Commitments and contingent liabilities (See Note 13) </link:label>
<link:label id="lab_us-gaap_CommitmentsAndContingencies_7EB3FEF1FF7855E2099E950BC4AFA292_label_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingencies_7EB3FEF1FF7855E2099E950BC4AFA292" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Commitments and Contingencies </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="loc_us-gaap_CommitmentsAndContingencies_7EB3FEF1FF7855E2099E950BC4AFA292" xlink:type="locator"/>
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<link:label id="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_925DB105DB8D67422F13950BC4AF17C1_terseLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_925DB105DB8D67422F13950BC4AF17C1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Shareholders’ equity </link:label>
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<link:label id="lab_us-gaap_CommonStockValue_C757137197072BF2CA73950BC4AF7CE2_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockValue_C757137197072BF2CA73950BC4AF7CE2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Common stock </link:label>
<link:label id="lab_us-gaap_CommonStockValue_C757137197072BF2CA73950BC4AF7CE2_label_en-US" xlink:label="lab_us-gaap_CommonStockValue_C757137197072BF2CA73950BC4AF7CE2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Common Stock, Value, Issued </link:label>
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<link:label id="lab_us-gaap_AdditionalPaidInCapitalCommonStock_F12B4F7B3084BE8189FF950BC4AFD1A6_terseLabel_en-US" xlink:label="lab_us-gaap_AdditionalPaidInCapitalCommonStock_F12B4F7B3084BE8189FF950BC4AFD1A6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Additional paid-in capital </link:label>
<link:label id="lab_us-gaap_AdditionalPaidInCapitalCommonStock_F12B4F7B3084BE8189FF950BC4AFD1A6_label_en-US" xlink:label="lab_us-gaap_AdditionalPaidInCapitalCommonStock_F12B4F7B3084BE8189FF950BC4AFD1A6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Additional Paid in Capital, Common Stock </link:label>
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<link:label id="lab_us-gaap_RetainedEarningsAccumulatedDeficit_048BE83650827D31D00A950BC4AF15F3_terseLabel_en-US" xlink:label="lab_us-gaap_RetainedEarningsAccumulatedDeficit_048BE83650827D31D00A950BC4AF15F3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Retained earnings </link:label>
<link:label id="lab_us-gaap_RetainedEarningsAccumulatedDeficit_048BE83650827D31D00A950BC4AF15F3_label_en-US" xlink:label="lab_us-gaap_RetainedEarningsAccumulatedDeficit_048BE83650827D31D00A950BC4AF15F3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Retained Earnings (Accumulated Deficit) </link:label>
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<link:label id="lab_us-gaap_TreasuryStockValue_EEA73B520C2098CB3DFA950BC4AFE365_negatedLabel_en-US" xlink:label="lab_us-gaap_TreasuryStockValue_EEA73B520C2098CB3DFA950BC4AFE365" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Treasury stock, at cost </link:label>
<link:label id="lab_us-gaap_TreasuryStockValue_EEA73B520C2098CB3DFA950BC4AFE365_label_en-US" xlink:label="lab_us-gaap_TreasuryStockValue_EEA73B520C2098CB3DFA950BC4AFE365" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Treasury Stock, Value </link:label>
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<link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_E0F3814483E5408DE33B950BC4AF66D3_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_E0F3814483E5408DE33B950BC4AF66D3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accumulated other comprehensive loss </link:label>
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<link:label id="lab_us-gaap_StockholdersEquity_06361B2C9FB0F40E9F0C950BC4AFC35E_totalLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquity_06361B2C9FB0F40E9F0C950BC4AFC35E" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total PPG shareholders’ equity </link:label>
<link:label id="lab_us-gaap_StockholdersEquity_06361B2C9FB0F40E9F0C950BC4AFC35E_label_en-US" xlink:label="lab_us-gaap_StockholdersEquity_06361B2C9FB0F40E9F0C950BC4AFC35E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stockholders' Equity Attributable to Parent </link:label>
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<link:label id="lab_us-gaap_MinorityInterest_8493A516A5C27DA38D41950BC4AF9991_terseLabel_en-US" xlink:label="lab_us-gaap_MinorityInterest_8493A516A5C27DA38D41950BC4AF9991" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Noncontrolling interests </link:label>
<link:label id="lab_us-gaap_MinorityInterest_8493A516A5C27DA38D41950BC4AF9991_label_en-US" xlink:label="lab_us-gaap_MinorityInterest_8493A516A5C27DA38D41950BC4AF9991" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stockholders' Equity Attributable to Noncontrolling Interest </link:label>
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<link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquity_97A8CF742EDB27F32B00950BC4AF512B_totalLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquity_97A8CF742EDB27F32B00950BC4AF512B" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total </link:label>
<link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquity_97A8CF742EDB27F32B00950BC4AF512B_label_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquity_97A8CF742EDB27F32B00950BC4AF512B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liabilities and Equity </link:label>
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<link:label id="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_EC57190A093966870BF796173665F404_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_EC57190A093966870BF796173665F404" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Disposal Groups, Including Discontinued Operations [Table] </link:label>
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<link:label id="lab_ppg_NorthAmericanFiberGlassBusinessMember_0348DD1E4037C93D76CD961736650B01_terseLabel_en-US" xlink:label="lab_ppg_NorthAmericanFiberGlassBusinessMember_0348DD1E4037C93D76CD961736650B01" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> North American Fiber Glass Business [Member] </link:label>
<link:label id="lab_ppg_NorthAmericanFiberGlassBusinessMember_0348DD1E4037C93D76CD961736650B01_label_en-US" xlink:label="lab_ppg_NorthAmericanFiberGlassBusinessMember_0348DD1E4037C93D76CD961736650B01" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> North American Fiber Glass Business [Member] </link:label>
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<link:loc xlink:href="ppg-20171231.xsd#ppg_NorthAmericanFiberGlassBusinessMember" xlink:label="loc_ppg_NorthAmericanFiberGlassBusinessMember_0348DD1E4037C93D76CD961736650B01" xlink:type="locator"/>
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<link:label id="lab_ppg_FiberGlassAsianJointVenturesMember_85A128A3AAEDB79FD19E9617366AD375_terseLabel_en-US" xlink:label="lab_ppg_FiberGlassAsianJointVenturesMember_85A128A3AAEDB79FD19E9617366AD375" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fiber Glass Asian Joint Ventures [Member] </link:label>
<link:label id="lab_ppg_FiberGlassAsianJointVenturesMember_85A128A3AAEDB79FD19E9617366AD375_label_en-US" xlink:label="lab_ppg_FiberGlassAsianJointVenturesMember_85A128A3AAEDB79FD19E9617366AD375" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fiber Glass Asian Joint Ventures [Member] </link:label>
<link:label id="lab_ppg_FiberGlassAsianJointVenturesMember_85A128A3AAEDB79FD19E9617366AD375_documentation_en-US" xlink:label="lab_ppg_FiberGlassAsianJointVenturesMember_85A128A3AAEDB79FD19E9617366AD375" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Fiber Glass Asian Joint Ventures [Member] </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_FiberGlassAsianJointVenturesMember" xlink:label="loc_ppg_FiberGlassAsianJointVenturesMember_85A128A3AAEDB79FD19E9617366AD375" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_0C9EF054091BD2AB8A549617366B6E39_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_0C9EF054091BD2AB8A549617366B6E39" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] </link:label>
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<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_0C9EF054091BD2AB8A549617366B6E39" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet_EB600B4DE195CDB5750D9617366B23C5_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet_EB600B4DE195CDB5750D9617366B23C5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net </link:label>
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<link:label id="lab_ppg_EstimatedProceedsfromSaleofBusiness_4B7374E0E471B69070BC9617366B294B_terseLabel_en-US" xlink:label="lab_ppg_EstimatedProceedsfromSaleofBusiness_4B7374E0E471B69070BC9617366B294B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Estimated Proceeds from Sale of Business </link:label>
<link:label id="lab_ppg_EstimatedProceedsfromSaleofBusiness_4B7374E0E471B69070BC9617366B294B_label_en-US" xlink:label="lab_ppg_EstimatedProceedsfromSaleofBusiness_4B7374E0E471B69070BC9617366B294B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Estimated Proceeds from Sale of Business </link:label>
<link:label id="lab_ppg_EstimatedProceedsfromSaleofBusiness_4B7374E0E471B69070BC9617366B294B_documentation_en-US" xlink:label="lab_ppg_EstimatedProceedsfromSaleofBusiness_4B7374E0E471B69070BC9617366B294B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Estimated Proceeds from Sale of Business </link:label>
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<link:label id="lab_us-gaap_ResultsOfOperationsIncomeBeforeIncomeTaxes_A3395FBD11AC910153DC9617366B8F74_terseLabel_en-US" xlink:label="lab_us-gaap_ResultsOfOperationsIncomeBeforeIncomeTaxes_A3395FBD11AC910153DC9617366B8F74" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Results of Operations, Income before Income Taxes </link:label>
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<link:label id="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_8A29F02E849DF8CF13602A2B70A2AD27_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_8A29F02E849DF8CF13602A2B70A2AD27" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property, Plant, and Equipment Disclosure [Table] </link:label>
<link:label id="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_8A29F02E849DF8CF13602A2B70A2AD27_label_en-US" xlink:label="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_8A29F02E849DF8CF13602A2B70A2AD27" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment [Table] </link:label>
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<link:label id="lab_us-gaap_LandAndLandImprovementsMember_FEDDCE0B9113E080D6862A2B70A381A5_terseLabel_en-US" xlink:label="lab_us-gaap_LandAndLandImprovementsMember_FEDDCE0B9113E080D6862A2B70A381A5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Land and land improvements </link:label>
<link:label id="lab_us-gaap_LandAndLandImprovementsMember_FEDDCE0B9113E080D6862A2B70A381A5_label_en-US" xlink:label="lab_us-gaap_LandAndLandImprovementsMember_FEDDCE0B9113E080D6862A2B70A381A5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Land and Land Improvements [Member] </link:label>
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<link:label id="lab_us-gaap_BuildingMember_5D1D3BF629EBF16D76972A2B70A318CE_terseLabel_en-US" xlink:label="lab_us-gaap_BuildingMember_5D1D3BF629EBF16D76972A2B70A318CE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Buildings </link:label>
<link:label id="lab_us-gaap_BuildingMember_5D1D3BF629EBF16D76972A2B70A318CE_label_en-US" xlink:label="lab_us-gaap_BuildingMember_5D1D3BF629EBF16D76972A2B70A318CE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Building [Member] </link:label>
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<link:label id="lab_us-gaap_MachineryAndEquipmentMember_6B96A77DEC6E6F71E6512A2B70A32A5F_terseLabel_en-US" xlink:label="lab_us-gaap_MachineryAndEquipmentMember_6B96A77DEC6E6F71E6512A2B70A32A5F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Machinery and equipment </link:label>
<link:label id="lab_us-gaap_MachineryAndEquipmentMember_6B96A77DEC6E6F71E6512A2B70A32A5F_label_en-US" xlink:label="lab_us-gaap_MachineryAndEquipmentMember_6B96A77DEC6E6F71E6512A2B70A32A5F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Machinery and Equipment [Member] </link:label>
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<link:label id="lab_us-gaap_OtherCreditDerivativesMember_10A57094048FADD838D82A2B70A81E1E_terseLabel_en-US" xlink:label="lab_us-gaap_OtherCreditDerivativesMember_10A57094048FADD838D82A2B70A81E1E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other </link:label>
<link:label id="lab_us-gaap_OtherCreditDerivativesMember_10A57094048FADD838D82A2B70A81E1E_label_en-US" xlink:label="lab_us-gaap_OtherCreditDerivativesMember_10A57094048FADD838D82A2B70A81E1E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Credit Derivatives [Member] </link:label>
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<link:label id="lab_us-gaap_ConstructionInProgressMember_C93FB9D0B6E39D243CE82A2B70A9D890_terseLabel_en-US" xlink:label="lab_us-gaap_ConstructionInProgressMember_C93FB9D0B6E39D243CE82A2B70A9D890" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Construction in progress </link:label>
<link:label id="lab_us-gaap_ConstructionInProgressMember_C93FB9D0B6E39D243CE82A2B70A9D890_label_en-US" xlink:label="lab_us-gaap_ConstructionInProgressMember_C93FB9D0B6E39D243CE82A2B70A9D890" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Construction in Progress [Member] </link:label>
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<link:label id="lab_us-gaap_PropertyPlantAndEquipmentLineItems_71C86762F1256C2FCCD12A2B70A9597C_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentLineItems_71C86762F1256C2FCCD12A2B70A9597C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property, Plant, and Equipment Disclosure [Line Items] </link:label>
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<link:label id="lab_us-gaap_PropertyPlantAndEquipmentGross_708CC9F4DE521CA324BB2A2B70AA8B73_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentGross_708CC9F4DE521CA324BB2A2B70AA8B73" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property </link:label>
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<link:label id="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_C222227053184FBFDD0F2A2B70AAF794_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_C222227053184FBFDD0F2A2B70AAF794" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment </link:label>
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<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_C222227053184FBFDD0F2A2B70AAF794" xlink:type="locator"/>
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<link:label id="lab_us-gaap_PropertyPlantAndEquipmentUsefulLife_D90C29DCF65A8C580A862A2B70AB64B3_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentUsefulLife_D90C29DCF65A8C580A862A2B70AB64B3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property useful lives </link:label>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentUsefulLife_D90C29DCF65A8C580A862A2B70AB64B3_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentUsefulLife_D90C29DCF65A8C580A862A2B70AB64B3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment, Useful Life </link:label>
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<link:label id="lab_us-gaap_InterestCostsCapitalized_1FCC80D38CE7761758BC2A2B70AB978C_terseLabel_en-US" xlink:label="lab_us-gaap_InterestCostsCapitalized_1FCC80D38CE7761758BC2A2B70AB978C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Capitalized interest </link:label>
<link:label id="lab_us-gaap_InterestCostsCapitalized_1FCC80D38CE7761758BC2A2B70AB978C_label_en-US" xlink:label="lab_us-gaap_InterestCostsCapitalized_1FCC80D38CE7761758BC2A2B70AB978C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Interest Costs Capitalized </link:label>
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<link:label id="lab_ppg_ScheduleOfWorkingCapitalInformationTableTextBlock_846E30385EC67B5C1F872A2B6E435D69_terseLabel_en-US" xlink:label="lab_ppg_ScheduleOfWorkingCapitalInformationTableTextBlock_846E30385EC67B5C1F872A2B6E435D69" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Components of Working Capital Detail </link:label>
<link:label id="lab_ppg_ScheduleOfWorkingCapitalInformationTableTextBlock_846E30385EC67B5C1F872A2B6E435D69_label_en-US" xlink:label="lab_ppg_ScheduleOfWorkingCapitalInformationTableTextBlock_846E30385EC67B5C1F872A2B6E435D69" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule Of Working Capital Information Table [Text Block] </link:label>
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<link:label id="lab_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_93F919D3854A4B3C424E2A2B70C9B69E_terseLabel_en-US" xlink:label="lab_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_93F919D3854A4B3C424E2A2B70C9B69E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Employee Benefit Plans </link:label>
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<link:label id="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_4A741503579061D66DD82A2B6FD780B4_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_4A741503579061D66DD82A2B6FD780B4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Earnings Per Common Share Calculations </link:label>
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<link:label id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_140ECB2EB592E92A229E8F8E601D77B2_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_140ECB2EB592E92A229E8F8E601D77B2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revolving credit facility outstanding </link:label>
<link:label id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_140ECB2EB592E92A229E8F8E601D77B2_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_140ECB2EB592E92A229E8F8E601D77B2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Line of Credit Facility, Maximum Borrowing Capacity </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_140ECB2EB592E92A229E8F8E601D77B2" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_140ECB2EB592E92A229E8F8E601D77B2" xlink:to="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_140ECB2EB592E92A229E8F8E601D77B2" xlink:type="arc"/>
<link:label id="lab_ppg_LineOfCreditFacilityAdditionalBorrowingCapacityAvailableToLenderConditions_32DC7F5DB02A2C1BD07A8F8E601D3592_terseLabel_en-US" xlink:label="lab_ppg_LineOfCreditFacilityAdditionalBorrowingCapacityAvailableToLenderConditions_32DC7F5DB02A2C1BD07A8F8E601D3592" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Line of credit facility, additional borrowing capacity available to lender conditions </link:label>
<link:label id="lab_ppg_LineOfCreditFacilityAdditionalBorrowingCapacityAvailableToLenderConditions_32DC7F5DB02A2C1BD07A8F8E601D3592_label_en-US" xlink:label="lab_ppg_LineOfCreditFacilityAdditionalBorrowingCapacityAvailableToLenderConditions_32DC7F5DB02A2C1BD07A8F8E601D3592" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Line of Credit Facility, Additional Borrowing Capacity Available to Lender Conditions </link:label>
<link:label id="lab_ppg_LineOfCreditFacilityAdditionalBorrowingCapacityAvailableToLenderConditions_32DC7F5DB02A2C1BD07A8F8E601D3592_documentation_en-US" xlink:label="lab_ppg_LineOfCreditFacilityAdditionalBorrowingCapacityAvailableToLenderConditions_32DC7F5DB02A2C1BD07A8F8E601D3592" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Line of Credit Facility, Additional Borrowing Capacity Available to Lender Conditions </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_LineOfCreditFacilityAdditionalBorrowingCapacityAvailableToLenderConditions" xlink:label="loc_ppg_LineOfCreditFacilityAdditionalBorrowingCapacityAvailableToLenderConditions_32DC7F5DB02A2C1BD07A8F8E601D3592" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ppg_LineOfCreditFacilityAdditionalBorrowingCapacityAvailableToLenderConditions_32DC7F5DB02A2C1BD07A8F8E601D3592" xlink:to="lab_ppg_LineOfCreditFacilityAdditionalBorrowingCapacityAvailableToLenderConditions_32DC7F5DB02A2C1BD07A8F8E601D3592" xlink:type="arc"/>
<link:label id="lab_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd_8E859637B77B0F3B24438F8E601D61F9_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd_8E859637B77B0F3B24438F8E601D61F9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Hypothetical rate on the credit agreement </link:label>
<link:label id="lab_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd_8E859637B77B0F3B24438F8E601D61F9_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd_8E859637B77B0F3B24438F8E601D61F9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Line of Credit Facility, Interest Rate at Period End </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd" xlink:label="loc_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd_8E859637B77B0F3B24438F8E601D61F9" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd_8E859637B77B0F3B24438F8E601D61F9" xlink:to="lab_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd_8E859637B77B0F3B24438F8E601D61F9" xlink:type="arc"/>
<link:label id="lab_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_9CB1A73DABF06139D9948F8E601DE783_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_9CB1A73DABF06139D9948F8E601DE783" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Unused capacity, commitment fee percentage </link:label>
<link:label id="lab_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_9CB1A73DABF06139D9948F8E601DE783_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_9CB1A73DABF06139D9948F8E601DE783" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Line of Credit Facility, Unused Capacity, Commitment Fee Percentage </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" xlink:label="loc_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_9CB1A73DABF06139D9948F8E601DE783" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_9CB1A73DABF06139D9948F8E601DE783" xlink:to="lab_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_9CB1A73DABF06139D9948F8E601DE783" xlink:type="arc"/>
<link:label id="lab_ppg_DebtInstrumentTotalIndebtednessToTotalCapitalizationRatioRequirement_7C061E5499194A35941F8F8E601DEA75_terseLabel_en-US" xlink:label="lab_ppg_DebtInstrumentTotalIndebtednessToTotalCapitalizationRatioRequirement_7C061E5499194A35941F8F8E601DEA75" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Total indebtedness to total capitalization ratio requirement </link:label>
<link:label id="lab_ppg_DebtInstrumentTotalIndebtednessToTotalCapitalizationRatioRequirement_7C061E5499194A35941F8F8E601DEA75_label_en-US" xlink:label="lab_ppg_DebtInstrumentTotalIndebtednessToTotalCapitalizationRatioRequirement_7C061E5499194A35941F8F8E601DEA75" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Total Indebtedness to Total Capitalization Ratio Requirement </link:label>
<link:label id="lab_ppg_DebtInstrumentTotalIndebtednessToTotalCapitalizationRatioRequirement_7C061E5499194A35941F8F8E601DEA75_documentation_en-US" xlink:label="lab_ppg_DebtInstrumentTotalIndebtednessToTotalCapitalizationRatioRequirement_7C061E5499194A35941F8F8E601DEA75" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Total Indebtedness to Total Capitalization Ratio Requirement </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_DebtInstrumentTotalIndebtednessToTotalCapitalizationRatioRequirement" xlink:label="loc_ppg_DebtInstrumentTotalIndebtednessToTotalCapitalizationRatioRequirement_7C061E5499194A35941F8F8E601DEA75" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ppg_DebtInstrumentTotalIndebtednessToTotalCapitalizationRatioRequirement_7C061E5499194A35941F8F8E601DEA75" xlink:to="lab_ppg_DebtInstrumentTotalIndebtednessToTotalCapitalizationRatioRequirement_7C061E5499194A35941F8F8E601DEA75" xlink:type="arc"/>
<link:label id="lab_us-gaap_RatioOfIndebtednessToNetCapital1_0A9FA3589A77CD79FBA28F8E601D6CD9_terseLabel_en-US" xlink:label="lab_us-gaap_RatioOfIndebtednessToNetCapital1_0A9FA3589A77CD79FBA28F8E601D6CD9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Ratio of indebtedness to net capital </link:label>
<link:label id="lab_us-gaap_RatioOfIndebtednessToNetCapital1_0A9FA3589A77CD79FBA28F8E601D6CD9_label_en-US" xlink:label="lab_us-gaap_RatioOfIndebtednessToNetCapital1_0A9FA3589A77CD79FBA28F8E601D6CD9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Ratio of Indebtedness to Net Capital </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RatioOfIndebtednessToNetCapital1" xlink:label="loc_us-gaap_RatioOfIndebtednessToNetCapital1_0A9FA3589A77CD79FBA28F8E601D6CD9" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RatioOfIndebtednessToNetCapital1_0A9FA3589A77CD79FBA28F8E601D6CD9" xlink:to="lab_us-gaap_RatioOfIndebtednessToNetCapital1_0A9FA3589A77CD79FBA28F8E601D6CD9" xlink:type="arc"/>
<link:label id="lab_us-gaap_RepaymentsOfDebt_EF18EB2ABF5320905C928F8E601D5E5E_verboseLabel_en-US" xlink:label="lab_us-gaap_RepaymentsOfDebt_EF18EB2ABF5320905C928F8E601D5E5E" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Repayments of debt </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RepaymentsOfDebt" xlink:label="loc_us-gaap_RepaymentsOfDebt_EF18EB2ABF5320905C928F8E601D5E5E" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RepaymentsOfDebt_EF18EB2ABF5320905C928F8E601D5E5E" xlink:to="lab_us-gaap_RepaymentsOfDebt_EF18EB2ABF5320905C928F8E601D5E5E" xlink:type="arc"/>
<link:label id="lab_us-gaap_DebtInstrumentFaceAmount_1BAD385D5C9D92A4B4328F8E601DF700_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentFaceAmount_1BAD385D5C9D92A4B4328F8E601DF700" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Debt instrument, face amount </link:label>
<link:label id="lab_us-gaap_DebtInstrumentFaceAmount_1BAD385D5C9D92A4B4328F8E601DF700_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentFaceAmount_1BAD385D5C9D92A4B4328F8E601DF700" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Face Amount </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_1BAD385D5C9D92A4B4328F8E601DF700" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentFaceAmount_1BAD385D5C9D92A4B4328F8E601DF700" xlink:to="lab_us-gaap_DebtInstrumentFaceAmount_1BAD385D5C9D92A4B4328F8E601DF700" xlink:type="arc"/>
<link:label id="lab_ppg_DebtRedemptionPricePercentOfPrincipalAmount_B709B1848FB8E46CD9528F8E601D6615_terseLabel_en-US" xlink:label="lab_ppg_DebtRedemptionPricePercentOfPrincipalAmount_B709B1848FB8E46CD9528F8E601D6615" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Percentage of debt redemption price </link:label>
<link:label id="lab_ppg_DebtRedemptionPricePercentOfPrincipalAmount_B709B1848FB8E46CD9528F8E601D6615_label_en-US" xlink:label="lab_ppg_DebtRedemptionPricePercentOfPrincipalAmount_B709B1848FB8E46CD9528F8E601D6615" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Redemption Price Percent Of Principal Amount </link:label>
<link:label id="lab_ppg_DebtRedemptionPricePercentOfPrincipalAmount_B709B1848FB8E46CD9528F8E601D6615_documentation_en-US" xlink:label="lab_ppg_DebtRedemptionPricePercentOfPrincipalAmount_B709B1848FB8E46CD9528F8E601D6615" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Debt Redemption Price Percent Of Principal Amount </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_DebtRedemptionPricePercentOfPrincipalAmount" xlink:label="loc_ppg_DebtRedemptionPricePercentOfPrincipalAmount_B709B1848FB8E46CD9528F8E601D6615" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ppg_DebtRedemptionPricePercentOfPrincipalAmount_B709B1848FB8E46CD9528F8E601D6615" xlink:to="lab_ppg_DebtRedemptionPricePercentOfPrincipalAmount_B709B1848FB8E46CD9528F8E601D6615" xlink:type="arc"/>
<link:label id="lab_us-gaap_ProceedsFromNotesPayable_8CBBDE56AF31A762F3258F8E601D2B5D_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromNotesPayable_8CBBDE56AF31A762F3258F8E601D2B5D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Proceeds from Notes Payable </link:label>
<link:label id="lab_us-gaap_ProceedsFromNotesPayable_8CBBDE56AF31A762F3258F8E601D2B5D_label_en-US" xlink:label="lab_us-gaap_ProceedsFromNotesPayable_8CBBDE56AF31A762F3258F8E601D2B5D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from Notes Payable </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProceedsFromNotesPayable" xlink:label="loc_us-gaap_ProceedsFromNotesPayable_8CBBDE56AF31A762F3258F8E601D2B5D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromNotesPayable_8CBBDE56AF31A762F3258F8E601D2B5D" xlink:to="lab_us-gaap_ProceedsFromNotesPayable_8CBBDE56AF31A762F3258F8E601D2B5D" xlink:type="arc"/>
<link:label id="lab_us-gaap_DebtInstrumentPeriodicPayment_17665A12BFD043822F728F8E601E5ED4_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentPeriodicPayment_17665A12BFD043822F728F8E601E5ED4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Periodic payment amount </link:label>
<link:label id="lab_us-gaap_DebtInstrumentPeriodicPayment_17665A12BFD043822F728F8E601E5ED4_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentPeriodicPayment_17665A12BFD043822F728F8E601E5ED4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Periodic Payment </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentPeriodicPayment" xlink:label="loc_us-gaap_DebtInstrumentPeriodicPayment_17665A12BFD043822F728F8E601E5ED4" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentPeriodicPayment_17665A12BFD043822F728F8E601E5ED4" xlink:to="lab_us-gaap_DebtInstrumentPeriodicPayment_17665A12BFD043822F728F8E601E5ED4" xlink:type="arc"/>
<link:label id="lab_us-gaap_GuaranteeObligationsCurrentCarryingValue_6AA4C99BEF5F868A2AD78F8E601E8350_terseLabel_en-US" xlink:label="lab_us-gaap_GuaranteeObligationsCurrentCarryingValue_6AA4C99BEF5F868A2AD78F8E601E8350" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Carrying value of guarantees </link:label>
<link:label id="lab_us-gaap_GuaranteeObligationsCurrentCarryingValue_6AA4C99BEF5F868A2AD78F8E601E8350_label_en-US" xlink:label="lab_us-gaap_GuaranteeObligationsCurrentCarryingValue_6AA4C99BEF5F868A2AD78F8E601E8350" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Guarantor Obligations, Current Carrying Value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GuaranteeObligationsCurrentCarryingValue" xlink:label="loc_us-gaap_GuaranteeObligationsCurrentCarryingValue_6AA4C99BEF5F868A2AD78F8E601E8350" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GuaranteeObligationsCurrentCarryingValue_6AA4C99BEF5F868A2AD78F8E601E8350" xlink:to="lab_us-gaap_GuaranteeObligationsCurrentCarryingValue_6AA4C99BEF5F868A2AD78F8E601E8350" xlink:type="arc"/>
<link:label id="lab_us-gaap_GuaranteesFairValueDisclosure_889361022CF2230C00948F8E601E7F80_terseLabel_en-US" xlink:label="lab_us-gaap_GuaranteesFairValueDisclosure_889361022CF2230C00948F8E601E7F80" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fair value of guarantees </link:label>
<link:label id="lab_us-gaap_GuaranteesFairValueDisclosure_889361022CF2230C00948F8E601E7F80_label_en-US" xlink:label="lab_us-gaap_GuaranteesFairValueDisclosure_889361022CF2230C00948F8E601E7F80" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Guarantees, Fair Value Disclosure </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GuaranteesFairValueDisclosure" xlink:label="loc_us-gaap_GuaranteesFairValueDisclosure_889361022CF2230C00948F8E601E7F80" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GuaranteesFairValueDisclosure_889361022CF2230C00948F8E601E7F80" xlink:to="lab_us-gaap_GuaranteesFairValueDisclosure_889361022CF2230C00948F8E601E7F80" xlink:type="arc"/>
<link:label id="lab_us-gaap_LeaseAndRentalExpense_79029C0C65953BA556198F8E601EEE77_terseLabel_en-US" xlink:label="lab_us-gaap_LeaseAndRentalExpense_79029C0C65953BA556198F8E601EEE77" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Rental expenses for operating leases </link:label>
<link:label id="lab_us-gaap_LeaseAndRentalExpense_79029C0C65953BA556198F8E601EEE77_label_en-US" xlink:label="lab_us-gaap_LeaseAndRentalExpense_79029C0C65953BA556198F8E601EEE77" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Leases, Rent Expense </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LeaseAndRentalExpense" xlink:label="loc_us-gaap_LeaseAndRentalExpense_79029C0C65953BA556198F8E601EEE77" xlink:type="locator"/>
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<link:label id="lab_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_901297BFB1F4992241A48F8E601E75BD_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_901297BFB1F4992241A48F8E601E75BD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Lines of credit, current borrowing capacity </link:label>
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<link:label id="lab_ppg_ForwardContractIndexedToIssuersEquitySharesPrincipalAmount_9A23CAC2A2DEF5A904FB9A884F41A6E4_label_en-US" xlink:label="lab_ppg_ForwardContractIndexedToIssuersEquitySharesPrincipalAmount_9A23CAC2A2DEF5A904FB9A884F41A6E4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Forward Contract Indexed To Issuers Equity Shares Principal Amount </link:label>
<link:label id="lab_ppg_ForwardContractIndexedToIssuersEquitySharesPrincipalAmount_9A23CAC2A2DEF5A904FB9A884F41A6E4_documentation_en-US" xlink:label="lab_ppg_ForwardContractIndexedToIssuersEquitySharesPrincipalAmount_9A23CAC2A2DEF5A904FB9A884F41A6E4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Forward Contract Indexed to Issuers Equity, Shares, Principal Amount </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_ForwardContractIndexedToIssuersEquitySharesPrincipalAmount" xlink:label="loc_ppg_ForwardContractIndexedToIssuersEquitySharesPrincipalAmount_9A23CAC2A2DEF5A904FB9A884F41A6E4" xlink:type="locator"/>
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<link:label id="lab_ppg_InterestPaidbyPPGtoCounterParty_FC1A840760CCE939F2A59A884F41ED29_label_en-US" xlink:label="lab_ppg_InterestPaidbyPPGtoCounterParty_FC1A840760CCE939F2A59A884F41ED29" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Interest Paid by PPG to Counter Party </link:label>
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<link:loc xlink:href="ppg-20171231.xsd#ppg_InterestPaidbyPPGtoCounterParty" xlink:label="loc_ppg_InterestPaidbyPPGtoCounterParty_FC1A840760CCE939F2A59A884F41ED29" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ForeignCurrencyContractAssetFairValueDisclosure_2F2EAFBEC7189425F1F19A884F41E44C_terseLabel_en-US" xlink:label="lab_us-gaap_ForeignCurrencyContractAssetFairValueDisclosure_2F2EAFBEC7189425F1F19A884F41E44C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Foreign Currency Contracts, Liability, Fair Value Disclosure </link:label>
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<link:label id="lab_invest_DerivativeNotionalAmount_457EBD1BDCABDA4FFD179A884F41D84D_terseLabel_en-US" xlink:label="lab_invest_DerivativeNotionalAmount_457EBD1BDCABDA4FFD179A884F41D84D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Notional Amount of Derivative Instruments Designated as Net Investment Hedges </link:label>
<link:label id="lab_invest_DerivativeNotionalAmount_457EBD1BDCABDA4FFD179A884F41D84D_label_en-US" xlink:label="lab_invest_DerivativeNotionalAmount_457EBD1BDCABDA4FFD179A884F41D84D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Derivative, Notional Amount </link:label>
<link:loc xlink:href="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd#invest_DerivativeNotionalAmount" xlink:label="loc_invest_DerivativeNotionalAmount_457EBD1BDCABDA4FFD179A884F41D84D" xlink:type="locator"/>
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<link:label id="lab_us-gaap_NetInvestmentHedgeDerivativesAtFairValueNet_DF0DC6E6E8DC0C9351899A884F419782_terseLabel_en-US" xlink:label="lab_us-gaap_NetInvestmentHedgeDerivativesAtFairValueNet_DF0DC6E6E8DC0C9351899A884F419782" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Derivative Instruments in Hedges, Net Investment in Foreign Operations, Assets, Fair Value, Net </link:label>
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<link:label id="lab_ppg_FairValueofDebtInstrumentDesignatedasaHedgeofNetInvestmentinForeignOperations_7DE2198B41D047E788889A884F41C721_terseLabel_en-US" xlink:label="lab_ppg_FairValueofDebtInstrumentDesignatedasaHedgeofNetInvestmentinForeignOperations_7DE2198B41D047E788889A884F41C721" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fair Value of Debt Instrument Designated as a Hedge of Net Investment in Foreign Operations </link:label>
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<link:label id="lab_us-gaap_PropertyPlantAndEquipmentTextBlock_5D14BF3B38D7AFBF49652A2B7112ED92_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentTextBlock_5D14BF3B38D7AFBF49652A2B7112ED92" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment </link:label>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentTextBlock_5D14BF3B38D7AFBF49652A2B7112ED92_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentTextBlock_5D14BF3B38D7AFBF49652A2B7112ED92" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment [Table Text Block] </link:label>
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<link:label id="lab_us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTextBlock_BCEF9719587DACCD2F062A2B6F80EE2C_terseLabel_en-US" xlink:label="lab_us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTextBlock_BCEF9719587DACCD2F062A2B6F80EE2C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Reportable Business Segment </link:label>
<link:label id="lab_us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTextBlock_BCEF9719587DACCD2F062A2B6F80EE2C_label_en-US" xlink:label="lab_us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTextBlock_BCEF9719587DACCD2F062A2B6F80EE2C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTextBlock" xlink:label="loc_us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTextBlock_BCEF9719587DACCD2F062A2B6F80EE2C" xlink:type="locator"/>
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<link:label id="lab_ppg_EntityWideDisclosureByGeographicAreasTextBlock_826921C43D027640CFA42A2B6F80F4E5_terseLabel_en-US" xlink:label="lab_ppg_EntityWideDisclosureByGeographicAreasTextBlock_826921C43D027640CFA42A2B6F80F4E5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Geographic Information </link:label>
<link:label id="lab_ppg_EntityWideDisclosureByGeographicAreasTextBlock_826921C43D027640CFA42A2B6F80F4E5_label_en-US" xlink:label="lab_ppg_EntityWideDisclosureByGeographicAreasTextBlock_826921C43D027640CFA42A2B6F80F4E5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Wide Disclosure By Geographic Areas [Text Block] </link:label>
<link:label id="lab_ppg_EntityWideDisclosureByGeographicAreasTextBlock_826921C43D027640CFA42A2B6F80F4E5_documentation_en-US" xlink:label="lab_ppg_EntityWideDisclosureByGeographicAreasTextBlock_826921C43D027640CFA42A2B6F80F4E5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Entity Wide Disclosure by Geographic Areas [Table Text Block] </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_EntityWideDisclosureByGeographicAreasTextBlock" xlink:label="loc_ppg_EntityWideDisclosureByGeographicAreasTextBlock_826921C43D027640CFA42A2B6F80F4E5" xlink:type="locator"/>
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<link:label id="lab_us-gaap_BusinessCombinationDisclosureTextBlock_F5AF84FDBE268F6772882A2B725FDB9C_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessCombinationDisclosureTextBlock_F5AF84FDBE268F6772882A2B725FDB9C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Acquisitions and Dispositions </link:label>
<link:label id="lab_us-gaap_BusinessCombinationDisclosureTextBlock_F5AF84FDBE268F6772882A2B725FDB9C_label_en-US" xlink:label="lab_us-gaap_BusinessCombinationDisclosureTextBlock_F5AF84FDBE268F6772882A2B725FDB9C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Business Combination Disclosure [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BusinessCombinationDisclosureTextBlock" xlink:label="loc_us-gaap_BusinessCombinationDisclosureTextBlock_F5AF84FDBE268F6772882A2B725FDB9C" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ValuationAndQualifyingAccountsAbstract_4D7C77B356976866F9C82A2B728DFF11_label_en-US" xlink:label="lab_us-gaap_ValuationAndQualifyingAccountsAbstract_4D7C77B356976866F9C82A2B728DFF11" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Valuation and Qualifying Accounts [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ValuationAndQualifyingAccountsAbstract" xlink:label="loc_us-gaap_ValuationAndQualifyingAccountsAbstract_4D7C77B356976866F9C82A2B728DFF11" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock_0C4489073C64BFE55D252A2B728E8169_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock_0C4489073C64BFE55D252A2B728E8169" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule II - Valuation and Qualifying Accounts </link:label>
<link:label id="lab_us-gaap_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock_0C4489073C64BFE55D252A2B728E8169_label_en-US" xlink:label="lab_us-gaap_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock_0C4489073C64BFE55D252A2B728E8169" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock" xlink:label="loc_us-gaap_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock_0C4489073C64BFE55D252A2B728E8169" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock_0C4489073C64BFE55D252A2B728E8169" xlink:to="lab_us-gaap_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock_0C4489073C64BFE55D252A2B728E8169" xlink:type="arc"/>
<link:label id="lab_us-gaap_ScheduleOfDerivativeInstrumentsTextBlock_53F349096F679406E7C4952DE61EAC05_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfDerivativeInstrumentsTextBlock_53F349096F679406E7C4952DE61EAC05" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fair Value, Cash Flow and Net Investment Hedges </link:label>
<link:label id="lab_us-gaap_ScheduleOfDerivativeInstrumentsTextBlock_53F349096F679406E7C4952DE61EAC05_label_en-US" xlink:label="lab_us-gaap_ScheduleOfDerivativeInstrumentsTextBlock_53F349096F679406E7C4952DE61EAC05" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Derivative Instruments [Table Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfDerivativeInstrumentsTextBlock" xlink:label="loc_us-gaap_ScheduleOfDerivativeInstrumentsTextBlock_53F349096F679406E7C4952DE61EAC05" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfDerivativeInstrumentsTextBlock_53F349096F679406E7C4952DE61EAC05" xlink:to="lab_us-gaap_ScheduleOfDerivativeInstrumentsTextBlock_53F349096F679406E7C4952DE61EAC05" xlink:type="arc"/>
<link:label id="lab_us-gaap_ScheduleOfDerivativeLiabilitiesAtFairValueTableTextBlock_F9D062B6A4553EA45E79952DE61E1EA8_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfDerivativeLiabilitiesAtFairValueTableTextBlock_F9D062B6A4553EA45E79952DE61E1EA8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Derivative Liabilities at Fair Value [Table Text Block] </link:label>
<link:label id="lab_us-gaap_ScheduleOfDerivativeLiabilitiesAtFairValueTableTextBlock_F9D062B6A4553EA45E79952DE61E1EA8_label_en-US" xlink:label="lab_us-gaap_ScheduleOfDerivativeLiabilitiesAtFairValueTableTextBlock_F9D062B6A4553EA45E79952DE61E1EA8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Derivative Liabilities at Fair Value [Table Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfDerivativeLiabilitiesAtFairValueTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfDerivativeLiabilitiesAtFairValueTableTextBlock_F9D062B6A4553EA45E79952DE61E1EA8" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfDerivativeLiabilitiesAtFairValueTableTextBlock_F9D062B6A4553EA45E79952DE61E1EA8" xlink:to="lab_us-gaap_ScheduleOfDerivativeLiabilitiesAtFairValueTableTextBlock_F9D062B6A4553EA45E79952DE61E1EA8" xlink:type="arc"/>
<link:label id="lab_us-gaap_ScheduleOfDebtInstrumentsTextBlock_F43C5C0C72C88CD86524952DE61E54F2_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfDebtInstrumentsTextBlock_F43C5C0C72C88CD86524952DE61E54F2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Long-term Debt Instruments [Table Text Block] </link:label>
<link:label id="lab_us-gaap_ScheduleOfDebtInstrumentsTextBlock_F43C5C0C72C88CD86524952DE61E54F2_label_en-US" xlink:label="lab_us-gaap_ScheduleOfDebtInstrumentsTextBlock_F43C5C0C72C88CD86524952DE61E54F2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Long-term Debt Instruments [Table Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfDebtInstrumentsTextBlock" xlink:label="loc_us-gaap_ScheduleOfDebtInstrumentsTextBlock_F43C5C0C72C88CD86524952DE61E54F2" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfDebtInstrumentsTextBlock_F43C5C0C72C88CD86524952DE61E54F2" xlink:to="lab_us-gaap_ScheduleOfDebtInstrumentsTextBlock_F43C5C0C72C88CD86524952DE61E54F2" xlink:type="arc"/>
<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_F92652B820CE6B264E49952DE62E3836_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_F92652B820CE6B264E49952DE62E3836" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Minimum lease commitments for operating leases, in 2018 </link:label>
<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_F92652B820CE6B264E49952DE62E3836_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_F92652B820CE6B264E49952DE62E3836" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Leases, Future Minimum Payments Due, Next Twelve Months </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_F92652B820CE6B264E49952DE62E3836" xlink:type="locator"/>
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<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_4045380F23FAE8AE34F9952DE62F10F8_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_4045380F23FAE8AE34F9952DE62F10F8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Minimum lease commitments for operating leases, in 2019 </link:label>
<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_4045380F23FAE8AE34F9952DE62F10F8_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_4045380F23FAE8AE34F9952DE62F10F8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Leases, Future Minimum Payments, Due in Two Years </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_4045380F23FAE8AE34F9952DE62F10F8" xlink:type="locator"/>
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<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_13D94EA0DA3097247CD5952DE62FD359_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_13D94EA0DA3097247CD5952DE62FD359" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Minimum lease commitments for operating leases, in 2020 </link:label>
<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_13D94EA0DA3097247CD5952DE62FD359_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_13D94EA0DA3097247CD5952DE62FD359" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Leases, Future Minimum Payments, Due in Three Years </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_13D94EA0DA3097247CD5952DE62FD359" xlink:type="locator"/>
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<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_AB942AD4783158828B5D952DE62F344F_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_AB942AD4783158828B5D952DE62F344F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Minimum lease commitments for operating leases, in 2021 </link:label>
<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_AB942AD4783158828B5D952DE62F344F_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_AB942AD4783158828B5D952DE62F344F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Leases, Future Minimum Payments, Due in Four Years </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_AB942AD4783158828B5D952DE62F344F" xlink:type="locator"/>
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<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_19BFDEBC27B05A6A6D0B952DE62F1203_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_19BFDEBC27B05A6A6D0B952DE62F1203" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Minimum lease commitments for operating leases, in 2022 </link:label>
<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_19BFDEBC27B05A6A6D0B952DE62F1203_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_19BFDEBC27B05A6A6D0B952DE62F1203" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Leases, Future Minimum Payments, Due in Five Years </link:label>
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<link:label id="lab_ppg_HistoricalEnvironmentalRemediationExpenseLowerLimit_D62B5653C53909E8902999F4F89179CB_terseLabel_en-US" xlink:label="lab_ppg_HistoricalEnvironmentalRemediationExpenseLowerLimit_D62B5653C53909E8902999F4F89179CB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Historical low end of range of annual environmental remediation expense over the past 15 years </link:label>
<link:label id="lab_ppg_HistoricalEnvironmentalRemediationExpenseLowerLimit_D62B5653C53909E8902999F4F89179CB_label_en-US" xlink:label="lab_ppg_HistoricalEnvironmentalRemediationExpenseLowerLimit_D62B5653C53909E8902999F4F89179CB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Historical Environmental Remediation Expense Lower Limit </link:label>
<link:label id="lab_ppg_HistoricalEnvironmentalRemediationExpenseLowerLimit_D62B5653C53909E8902999F4F89179CB_documentation_en-US" xlink:label="lab_ppg_HistoricalEnvironmentalRemediationExpenseLowerLimit_D62B5653C53909E8902999F4F89179CB" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Historical Environmental Remediation Expense, Lower Limit </link:label>
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<link:label id="lab_ppg_HistoricalEnvironmentalRemediationExpenseUpperLimit_2A705F48D399AD23068B99F4F8925BE7_terseLabel_en-US" xlink:label="lab_ppg_HistoricalEnvironmentalRemediationExpenseUpperLimit_2A705F48D399AD23068B99F4F8925BE7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Historical high end of range of annual environmental remediation expense over the past 15 years </link:label>
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<link:label id="lab_ppg_HistoricalEnvironmentalRemediationExpenseUpperLimit_2A705F48D399AD23068B99F4F8925BE7_documentation_en-US" xlink:label="lab_ppg_HistoricalEnvironmentalRemediationExpenseUpperLimit_2A705F48D399AD23068B99F4F8925BE7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Historical Environmental Remediation Expense, Upper Limit </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_HistoricalEnvironmentalRemediationExpenseUpperLimit" xlink:label="loc_ppg_HistoricalEnvironmentalRemediationExpenseUpperLimit_2A705F48D399AD23068B99F4F8925BE7" xlink:type="locator"/>
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<link:label id="lab_ppg_RemediationPeriod_DA1E1B4716B33A76508899F4F892EA40_terseLabel_en-US" xlink:label="lab_ppg_RemediationPeriod_DA1E1B4716B33A76508899F4F892EA40" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Remediation Period </link:label>
<link:label id="lab_ppg_RemediationPeriod_DA1E1B4716B33A76508899F4F892EA40_label_en-US" xlink:label="lab_ppg_RemediationPeriod_DA1E1B4716B33A76508899F4F892EA40" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Remediation Period </link:label>
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<link:label id="lab_ppg_CashForEnvironmentalLossContingenciesLowEstimate_394938F237484A14348A99F4F89293D3_label_en-US" xlink:label="lab_ppg_CashForEnvironmentalLossContingenciesLowEstimate_394938F237484A14348A99F4F89293D3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash For Environmental Loss Contingencies Low Estimate </link:label>
<link:label id="lab_ppg_CashForEnvironmentalLossContingenciesLowEstimate_394938F237484A14348A99F4F89293D3_documentation_en-US" xlink:label="lab_ppg_CashForEnvironmentalLossContingenciesLowEstimate_394938F237484A14348A99F4F89293D3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Low estimate of anticipated cash outlays for environmental remediation costs. </link:label>
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<link:label id="lab_ppg_CashForEnvironmentalLossContingenciesHighEstimate_4A07D8E28519130623B599F4F892420E_documentation_en-US" xlink:label="lab_ppg_CashForEnvironmentalLossContingenciesHighEstimate_4A07D8E28519130623B599F4F892420E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> High estimate of anticipated cash outlays for environmental remediation costs. </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_CashForEnvironmentalLossContingenciesHighEstimate" xlink:label="loc_ppg_CashForEnvironmentalLossContingenciesHighEstimate_4A07D8E28519130623B599F4F892420E" xlink:type="locator"/>
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<link:label id="lab_ppg_PercentageOfTotalRemainingReserve_50F6766DAA0FA9A1E16C99F4F892A4BF_terseLabel_en-US" xlink:label="lab_ppg_PercentageOfTotalRemainingReserve_50F6766DAA0FA9A1E16C99F4F892A4BF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Percentage of the total remaining reserve </link:label>
<link:label id="lab_ppg_PercentageOfTotalRemainingReserve_50F6766DAA0FA9A1E16C99F4F892A4BF_label_en-US" xlink:label="lab_ppg_PercentageOfTotalRemainingReserve_50F6766DAA0FA9A1E16C99F4F892A4BF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Percentage Of Total Remaining Reserve </link:label>
<link:label id="lab_ppg_PercentageOfTotalRemainingReserve_50F6766DAA0FA9A1E16C99F4F892A4BF_documentation_en-US" xlink:label="lab_ppg_PercentageOfTotalRemainingReserve_50F6766DAA0FA9A1E16C99F4F892A4BF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Percentage Of Total Remaining Reserve </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_PercentageOfTotalRemainingReserve" xlink:label="loc_ppg_PercentageOfTotalRemainingReserve_50F6766DAA0FA9A1E16C99F4F892A4BF" xlink:type="locator"/>
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<link:label id="lab_us-gaap_EnvironmentalExitCostsReasonablyPossibleAdditionalLoss_349F94CC00C4316378ED99F4F892D917_terseLabel_en-US" xlink:label="lab_us-gaap_EnvironmentalExitCostsReasonablyPossibleAdditionalLoss_349F94CC00C4316378ED99F4F892D917" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Unreserved loss contingencies related to environmental matters, high estimate </link:label>
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<link:label id="lab_ppg_IncomeTaxesTable_D9E8E7D9CBFD1B1A19C799FFBB304832_terseLabel_en-US" xlink:label="lab_ppg_IncomeTaxesTable_D9E8E7D9CBFD1B1A19C799FFBB304832" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income Taxes [Table] </link:label>
<link:label id="lab_ppg_IncomeTaxesTable_D9E8E7D9CBFD1B1A19C799FFBB304832_label_en-US" xlink:label="lab_ppg_IncomeTaxesTable_D9E8E7D9CBFD1B1A19C799FFBB304832" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Taxes [Table] </link:label>
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<link:label id="lab_us-gaap_ValuationAllowanceByDeferredTaxAssetAxis_21470168481E1BAA04D099FFBB30BDC1_terseLabel_en-US" xlink:label="lab_us-gaap_ValuationAllowanceByDeferredTaxAssetAxis_21470168481E1BAA04D099FFBB30BDC1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Valuation Allowance by Deferred Tax Asset [Axis] </link:label>
<link:label id="lab_us-gaap_ValuationAllowanceByDeferredTaxAssetAxis_21470168481E1BAA04D099FFBB30BDC1_label_en-US" xlink:label="lab_us-gaap_ValuationAllowanceByDeferredTaxAssetAxis_21470168481E1BAA04D099FFBB30BDC1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Valuation Allowance by Deferred Tax Asset [Axis] </link:label>
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<link:label id="lab_ppg_PensionSettlementChargesMember_72A37BF953ED156DC65099FFBB30C0F8_terseLabel_en-US" xlink:label="lab_ppg_PensionSettlementChargesMember_72A37BF953ED156DC65099FFBB30C0F8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Pension Settlement Charges [Member] </link:label>
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<link:label id="lab_ppg_ForeigntaxbenefitprioryearAxis_4C9FF9F64780D759E74799FFBB3117C8_terseLabel_en-US" xlink:label="lab_ppg_ForeigntaxbenefitprioryearAxis_4C9FF9F64780D759E74799FFBB3117C8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Foreign tax benefit, prior year [Axis] </link:label>
<link:label id="lab_ppg_ForeigntaxbenefitprioryearAxis_4C9FF9F64780D759E74799FFBB3117C8_label_en-US" xlink:label="lab_ppg_ForeigntaxbenefitprioryearAxis_4C9FF9F64780D759E74799FFBB3117C8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Foreign tax benefit, prior year [Axis] </link:label>
<link:label id="lab_ppg_ForeigntaxbenefitprioryearAxis_4C9FF9F64780D759E74799FFBB3117C8_documentation_en-US" xlink:label="lab_ppg_ForeigntaxbenefitprioryearAxis_4C9FF9F64780D759E74799FFBB3117C8" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Foreign tax benefit, prior year [Axis] </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_ForeigntaxbenefitprioryearAxis" xlink:label="loc_ppg_ForeigntaxbenefitprioryearAxis_4C9FF9F64780D759E74799FFBB3117C8" xlink:type="locator"/>
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<link:label id="lab_ppg_ForeigntaxbenefitprioryearDomain_840E277A22E42B6B221D99FFBB31D62B_terseLabel_en-US" xlink:label="lab_ppg_ForeigntaxbenefitprioryearDomain_840E277A22E42B6B221D99FFBB31D62B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Foreign tax benefit, prior year [Domain] </link:label>
<link:label id="lab_ppg_ForeigntaxbenefitprioryearDomain_840E277A22E42B6B221D99FFBB31D62B_label_en-US" xlink:label="lab_ppg_ForeigntaxbenefitprioryearDomain_840E277A22E42B6B221D99FFBB31D62B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Foreign tax benefit, prior year [Domain] </link:label>
<link:label id="lab_ppg_ForeigntaxbenefitprioryearDomain_840E277A22E42B6B221D99FFBB31D62B_documentation_en-US" xlink:label="lab_ppg_ForeigntaxbenefitprioryearDomain_840E277A22E42B6B221D99FFBB31D62B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> [Domain] for Foreign tax benefit, prior year [Axis] </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_ForeigntaxbenefitprioryearDomain" xlink:label="loc_ppg_ForeigntaxbenefitprioryearDomain_840E277A22E42B6B221D99FFBB31D62B" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ValuationAllowancesAndReservesTypeAxis_0C99752D53E493969DAF99FFBB31ACB9_terseLabel_en-US" xlink:label="lab_us-gaap_ValuationAllowancesAndReservesTypeAxis_0C99752D53E493969DAF99FFBB31ACB9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Valuation Allowances and Reserves Type [Axis] </link:label>
<link:label id="lab_us-gaap_ValuationAllowancesAndReservesTypeAxis_0C99752D53E493969DAF99FFBB31ACB9_label_en-US" xlink:label="lab_us-gaap_ValuationAllowancesAndReservesTypeAxis_0C99752D53E493969DAF99FFBB31ACB9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Valuation Allowances and Reserves Type [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ValuationAllowancesAndReservesTypeAxis" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesTypeAxis_0C99752D53E493969DAF99FFBB31ACB9" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ValuationAllowancesAndReservesDomain_74114ABB487A877910F099FFBB317300_terseLabel_en-US" xlink:label="lab_us-gaap_ValuationAllowancesAndReservesDomain_74114ABB487A877910F099FFBB317300" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Valuation Allowances and Reserves [Domain] </link:label>
<link:label id="lab_us-gaap_ValuationAllowancesAndReservesDomain_74114ABB487A877910F099FFBB317300_label_en-US" xlink:label="lab_us-gaap_ValuationAllowancesAndReservesDomain_74114ABB487A877910F099FFBB317300" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Valuation Allowances and Reserves [Domain] </link:label>
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<link:label id="lab_ppg_NonUnitedStatesMember_79730817D67376AE4E5C99FFBB314ABE_terseLabel_en-US" xlink:label="lab_ppg_NonUnitedStatesMember_79730817D67376AE4E5C99FFBB314ABE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Non United States </link:label>
<link:label id="lab_ppg_NonUnitedStatesMember_79730817D67376AE4E5C99FFBB314ABE_label_en-US" xlink:label="lab_ppg_NonUnitedStatesMember_79730817D67376AE4E5C99FFBB314ABE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Non United States [Member] </link:label>
<link:label id="lab_ppg_NonUnitedStatesMember_79730817D67376AE4E5C99FFBB314ABE_documentation_en-US" xlink:label="lab_ppg_NonUnitedStatesMember_79730817D67376AE4E5C99FFBB314ABE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Non United States [Member] </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_NonUnitedStatesMember" xlink:label="loc_ppg_NonUnitedStatesMember_79730817D67376AE4E5C99FFBB314ABE" xlink:type="locator"/>
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<link:label id="lab_ppg_NetOperatingLossIndefiniteLifeMember_E4BC9131BD84E818472B99FFBB31F287_terseLabel_en-US" xlink:label="lab_ppg_NetOperatingLossIndefiniteLifeMember_E4BC9131BD84E818472B99FFBB31F287" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net Operating Loss, Indefinite Life </link:label>
<link:label id="lab_ppg_NetOperatingLossIndefiniteLifeMember_E4BC9131BD84E818472B99FFBB31F287_label_en-US" xlink:label="lab_ppg_NetOperatingLossIndefiniteLifeMember_E4BC9131BD84E818472B99FFBB31F287" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Operating Loss Indefinite Life [Member] </link:label>
<link:label id="lab_ppg_NetOperatingLossIndefiniteLifeMember_E4BC9131BD84E818472B99FFBB31F287_documentation_en-US" xlink:label="lab_ppg_NetOperatingLossIndefiniteLifeMember_E4BC9131BD84E818472B99FFBB31F287" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Net Operating Loss, Indefinite Life [Member] </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_NetOperatingLossIndefiniteLifeMember" xlink:label="loc_ppg_NetOperatingLossIndefiniteLifeMember_E4BC9131BD84E818472B99FFBB31F287" xlink:type="locator"/>
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<link:label id="lab_ppg_NetOperatingLossExpiringWithin20YearsMember_B5694D5819C03BA2B0EA99FFBB3103BC_terseLabel_en-US" xlink:label="lab_ppg_NetOperatingLossExpiringWithin20YearsMember_B5694D5819C03BA2B0EA99FFBB3103BC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net Operating Loss, Expiring Within 20 Years </link:label>
<link:label id="lab_ppg_NetOperatingLossExpiringWithin20YearsMember_B5694D5819C03BA2B0EA99FFBB3103BC_label_en-US" xlink:label="lab_ppg_NetOperatingLossExpiringWithin20YearsMember_B5694D5819C03BA2B0EA99FFBB3103BC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Operating Loss Expiring Within 20 Years [Member] </link:label>
<link:label id="lab_ppg_NetOperatingLossExpiringWithin20YearsMember_B5694D5819C03BA2B0EA99FFBB3103BC_documentation_en-US" xlink:label="lab_ppg_NetOperatingLossExpiringWithin20YearsMember_B5694D5819C03BA2B0EA99FFBB3103BC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Net Operating Loss, Expiring Within 20 Years [Member] </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_NetOperatingLossExpiringWithin20YearsMember" xlink:label="loc_ppg_NetOperatingLossExpiringWithin20YearsMember_B5694D5819C03BA2B0EA99FFBB3103BC" xlink:type="locator"/>
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<link:label id="lab_ppg_IncomeTaxesLineItems_140B01A041CD1B798F9599FFBB31E74C_terseLabel_en-US" xlink:label="lab_ppg_IncomeTaxesLineItems_140B01A041CD1B798F9599FFBB31E74C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income Taxes [Line Items] </link:label>
<link:label id="lab_ppg_IncomeTaxesLineItems_140B01A041CD1B798F9599FFBB31E74C_label_en-US" xlink:label="lab_ppg_IncomeTaxesLineItems_140B01A041CD1B798F9599FFBB31E74C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Taxes [Line Items] </link:label>
<link:label id="lab_ppg_IncomeTaxesLineItems_140B01A041CD1B798F9599FFBB31E74C_documentation_en-US" xlink:label="lab_ppg_IncomeTaxesLineItems_140B01A041CD1B798F9599FFBB31E74C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Income Taxes [Line Items] </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_IncomeTaxesLineItems" xlink:label="loc_ppg_IncomeTaxesLineItems_140B01A041CD1B798F9599FFBB31E74C" xlink:type="locator"/>
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<link:label id="lab_ppg_NettaxchargeforTaxCutsJobsAct_E5FB042419A640ADDC5B99FFBB31B60B_terseLabel_en-US" xlink:label="lab_ppg_NettaxchargeforTaxCutsJobsAct_E5FB042419A640ADDC5B99FFBB31B60B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net tax charge for Tax Cuts and Jobs Act </link:label>
<link:label id="lab_ppg_NettaxchargeforTaxCutsJobsAct_E5FB042419A640ADDC5B99FFBB31B60B_label_en-US" xlink:label="lab_ppg_NettaxchargeforTaxCutsJobsAct_E5FB042419A640ADDC5B99FFBB31B60B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net tax charge for Tax Cuts & Jobs Act </link:label>
<link:label id="lab_ppg_NettaxchargeforTaxCutsJobsAct_E5FB042419A640ADDC5B99FFBB31B60B_documentation_en-US" xlink:label="lab_ppg_NettaxchargeforTaxCutsJobsAct_E5FB042419A640ADDC5B99FFBB31B60B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Net tax charge for Tax Cuts & Jobs Act </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_NettaxchargeforTaxCutsJobsAct" xlink:label="loc_ppg_NettaxchargeforTaxCutsJobsAct_E5FB042419A640ADDC5B99FFBB31B60B" xlink:type="locator"/>
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<link:label id="lab_ppg_Taxchargeonunrepatriatedforeignearnings_5A1E4A4C7D64E747311199FFBB3150EF_terseLabel_en-US" xlink:label="lab_ppg_Taxchargeonunrepatriatedforeignearnings_5A1E4A4C7D64E747311199FFBB3150EF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> One-time tax on unrepatriated foreign earnings </link:label>
<link:label id="lab_ppg_Taxchargeonunrepatriatedforeignearnings_5A1E4A4C7D64E747311199FFBB3150EF_label_en-US" xlink:label="lab_ppg_Taxchargeonunrepatriatedforeignearnings_5A1E4A4C7D64E747311199FFBB3150EF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Tax charge on unrepatriated foreign earnings </link:label>
<link:label id="lab_ppg_Taxchargeonunrepatriatedforeignearnings_5A1E4A4C7D64E747311199FFBB3150EF_documentation_en-US" xlink:label="lab_ppg_Taxchargeonunrepatriatedforeignearnings_5A1E4A4C7D64E747311199FFBB3150EF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Tax charge on unrepatriated foreign earnings </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_Taxchargeonunrepatriatedforeignearnings" xlink:label="loc_ppg_Taxchargeonunrepatriatedforeignearnings_5A1E4A4C7D64E747311199FFBB3150EF" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability_9CE137AB78D7A57C3F7D99FFBB32FE79_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability_9CE137AB78D7A57C3F7D99FFBB32FE79" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability </link:label>
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<link:label id="lab_ppg_Benefitfromreversalofexistingdeferredtaxliabilityonrepatriatedforeignearnings_513714AA34D634C9CB8799FFBB3292D2_terseLabel_en-US" xlink:label="lab_ppg_Benefitfromreversalofexistingdeferredtaxliabilityonrepatriatedforeignearnings_513714AA34D634C9CB8799FFBB3292D2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Benefit from reversal of existing deferred tax liability on repatriated foreign earnings </link:label>
<link:label id="lab_ppg_Benefitfromreversalofexistingdeferredtaxliabilityonrepatriatedforeignearnings_513714AA34D634C9CB8799FFBB3292D2_label_en-US" xlink:label="lab_ppg_Benefitfromreversalofexistingdeferredtaxliabilityonrepatriatedforeignearnings_513714AA34D634C9CB8799FFBB3292D2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Benefit from reversal of existing deferred tax liability on repatriated foreign earnings </link:label>
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<link:label id="lab_us-gaap_IncomeTaxReconciliationRepatriationOfForeignEarnings_0BFD410AB9BB8052764799FFBB32AE8D_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxReconciliationRepatriationOfForeignEarnings_0BFD410AB9BB8052764799FFBB32AE8D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Amount </link:label>
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<link:label id="lab_dei_EntityRegistrantName_3115C01BD7AB3FF69E932A2B71843A1F_terseLabel_en-US" xlink:label="lab_dei_EntityRegistrantName_3115C01BD7AB3FF69E932A2B71843A1F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity Registrant Name </link:label>
<link:label id="lab_dei_EntityRegistrantName_3115C01BD7AB3FF69E932A2B71843A1F_label_en-US" xlink:label="lab_dei_EntityRegistrantName_3115C01BD7AB3FF69E932A2B71843A1F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Registrant Name </link:label>
<link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityRegistrantName" xlink:label="loc_dei_EntityRegistrantName_3115C01BD7AB3FF69E932A2B71843A1F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityRegistrantName_3115C01BD7AB3FF69E932A2B71843A1F" xlink:to="lab_dei_EntityRegistrantName_3115C01BD7AB3FF69E932A2B71843A1F" xlink:type="arc"/>
<link:label id="lab_dei_EntityCentralIndexKey_53C2A8ECB48201462B6B2A2B7184A43D_terseLabel_en-US" xlink:label="lab_dei_EntityCentralIndexKey_53C2A8ECB48201462B6B2A2B7184A43D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity Central Index Key </link:label>
<link:label id="lab_dei_EntityCentralIndexKey_53C2A8ECB48201462B6B2A2B7184A43D_label_en-US" xlink:label="lab_dei_EntityCentralIndexKey_53C2A8ECB48201462B6B2A2B7184A43D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Central Index Key </link:label>
<link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityCentralIndexKey" xlink:label="loc_dei_EntityCentralIndexKey_53C2A8ECB48201462B6B2A2B7184A43D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCentralIndexKey_53C2A8ECB48201462B6B2A2B7184A43D" xlink:to="lab_dei_EntityCentralIndexKey_53C2A8ECB48201462B6B2A2B7184A43D" xlink:type="arc"/>
<link:label id="lab_dei_CurrentFiscalYearEndDate_2C44B52C386E5E5802DC2A2B7184335C_terseLabel_en-US" xlink:label="lab_dei_CurrentFiscalYearEndDate_2C44B52C386E5E5802DC2A2B7184335C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Current Fiscal Year End Date </link:label>
<link:label id="lab_dei_CurrentFiscalYearEndDate_2C44B52C386E5E5802DC2A2B7184335C_label_en-US" xlink:label="lab_dei_CurrentFiscalYearEndDate_2C44B52C386E5E5802DC2A2B7184335C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Current Fiscal Year End Date </link:label>
<link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:label="loc_dei_CurrentFiscalYearEndDate_2C44B52C386E5E5802DC2A2B7184335C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_CurrentFiscalYearEndDate_2C44B52C386E5E5802DC2A2B7184335C" xlink:to="lab_dei_CurrentFiscalYearEndDate_2C44B52C386E5E5802DC2A2B7184335C" xlink:type="arc"/>
<link:label id="lab_dei_EntityWellKnownSeasonedIssuer_418D31C660161F8471AF2A2B71842802_terseLabel_en-US" xlink:label="lab_dei_EntityWellKnownSeasonedIssuer_418D31C660161F8471AF2A2B71842802" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity Well-known Seasoned Issuer </link:label>
<link:label id="lab_dei_EntityWellKnownSeasonedIssuer_418D31C660161F8471AF2A2B71842802_label_en-US" xlink:label="lab_dei_EntityWellKnownSeasonedIssuer_418D31C660161F8471AF2A2B71842802" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Well-known Seasoned Issuer </link:label>
<link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityWellKnownSeasonedIssuer" xlink:label="loc_dei_EntityWellKnownSeasonedIssuer_418D31C660161F8471AF2A2B71842802" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityWellKnownSeasonedIssuer_418D31C660161F8471AF2A2B71842802" xlink:to="lab_dei_EntityWellKnownSeasonedIssuer_418D31C660161F8471AF2A2B71842802" xlink:type="arc"/>
<link:label id="lab_dei_EntityCurrentReportingStatus_49B9DEE3C642396CAC622A2B7184BD53_terseLabel_en-US" xlink:label="lab_dei_EntityCurrentReportingStatus_49B9DEE3C642396CAC622A2B7184BD53" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity Current Reporting Status </link:label>
<link:label id="lab_dei_EntityCurrentReportingStatus_49B9DEE3C642396CAC622A2B7184BD53_label_en-US" xlink:label="lab_dei_EntityCurrentReportingStatus_49B9DEE3C642396CAC622A2B7184BD53" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Current Reporting Status </link:label>
<link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityCurrentReportingStatus" xlink:label="loc_dei_EntityCurrentReportingStatus_49B9DEE3C642396CAC622A2B7184BD53" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCurrentReportingStatus_49B9DEE3C642396CAC622A2B7184BD53" xlink:to="lab_dei_EntityCurrentReportingStatus_49B9DEE3C642396CAC622A2B7184BD53" xlink:type="arc"/>
<link:label id="lab_dei_EntityVoluntaryFilers_3EE98B08A7EB21ED02A32A2B71847881_terseLabel_en-US" xlink:label="lab_dei_EntityVoluntaryFilers_3EE98B08A7EB21ED02A32A2B71847881" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity Voluntary Filers </link:label>
<link:label id="lab_dei_EntityVoluntaryFilers_3EE98B08A7EB21ED02A32A2B71847881_label_en-US" xlink:label="lab_dei_EntityVoluntaryFilers_3EE98B08A7EB21ED02A32A2B71847881" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Voluntary Filers </link:label>
<link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityVoluntaryFilers" xlink:label="loc_dei_EntityVoluntaryFilers_3EE98B08A7EB21ED02A32A2B71847881" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityVoluntaryFilers_3EE98B08A7EB21ED02A32A2B71847881" xlink:to="lab_dei_EntityVoluntaryFilers_3EE98B08A7EB21ED02A32A2B71847881" xlink:type="arc"/>
<link:label id="lab_dei_EntityFilerCategory_7C509F04F3D2C7E7FAEE2A2B7184CAFB_terseLabel_en-US" xlink:label="lab_dei_EntityFilerCategory_7C509F04F3D2C7E7FAEE2A2B7184CAFB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity Filer Category </link:label>
<link:label id="lab_dei_EntityFilerCategory_7C509F04F3D2C7E7FAEE2A2B7184CAFB_label_en-US" xlink:label="lab_dei_EntityFilerCategory_7C509F04F3D2C7E7FAEE2A2B7184CAFB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Filer Category </link:label>
<link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityFilerCategory" xlink:label="loc_dei_EntityFilerCategory_7C509F04F3D2C7E7FAEE2A2B7184CAFB" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityFilerCategory_7C509F04F3D2C7E7FAEE2A2B7184CAFB" xlink:to="lab_dei_EntityFilerCategory_7C509F04F3D2C7E7FAEE2A2B7184CAFB" xlink:type="arc"/>
<link:label id="lab_dei_EntityCommonStockSharesOutstanding_BF50E52DA349FA149E562A2B71848A09_terseLabel_en-US" xlink:label="lab_dei_EntityCommonStockSharesOutstanding_BF50E52DA349FA149E562A2B71848A09" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity Common Stock, Shares Outstanding </link:label>
<link:label id="lab_dei_EntityCommonStockSharesOutstanding_BF50E52DA349FA149E562A2B71848A09_label_en-US" xlink:label="lab_dei_EntityCommonStockSharesOutstanding_BF50E52DA349FA149E562A2B71848A09" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Common Stock, Shares Outstanding </link:label>
<link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_BF50E52DA349FA149E562A2B71848A09" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCommonStockSharesOutstanding_BF50E52DA349FA149E562A2B71848A09" xlink:to="lab_dei_EntityCommonStockSharesOutstanding_BF50E52DA349FA149E562A2B71848A09" xlink:type="arc"/>
<link:label id="lab_dei_EntityPublicFloat_2566172BB1DA2D9D2B092A2B7184D8E1_terseLabel_en-US" xlink:label="lab_dei_EntityPublicFloat_2566172BB1DA2D9D2B092A2B7184D8E1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity Public Float </link:label>
<link:label id="lab_dei_EntityPublicFloat_2566172BB1DA2D9D2B092A2B7184D8E1_label_en-US" xlink:label="lab_dei_EntityPublicFloat_2566172BB1DA2D9D2B092A2B7184D8E1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Public Float </link:label>
<link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityPublicFloat" xlink:label="loc_dei_EntityPublicFloat_2566172BB1DA2D9D2B092A2B7184D8E1" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityPublicFloat_2566172BB1DA2D9D2B092A2B7184D8E1" xlink:to="lab_dei_EntityPublicFloat_2566172BB1DA2D9D2B092A2B7184D8E1" xlink:type="arc"/>
<link:label id="lab_us-gaap_ScheduleOfRestructuringReserveByTypeOfCostTextBlock_E7BBBC8147743D84A4B62A2B6E7483A8_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfRestructuringReserveByTypeOfCostTextBlock_E7BBBC8147743D84A4B62A2B6E7483A8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Activity Related to Restructuring Reserves </link:label>
<link:label id="lab_us-gaap_ScheduleOfRestructuringReserveByTypeOfCostTextBlock_E7BBBC8147743D84A4B62A2B6E7483A8_label_en-US" xlink:label="lab_us-gaap_ScheduleOfRestructuringReserveByTypeOfCostTextBlock_E7BBBC8147743D84A4B62A2B6E7483A8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Restructuring Reserve by Type of Cost [Table Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfRestructuringReserveByTypeOfCostTextBlock" xlink:label="loc_us-gaap_ScheduleOfRestructuringReserveByTypeOfCostTextBlock_E7BBBC8147743D84A4B62A2B6E7483A8" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfRestructuringReserveByTypeOfCostTextBlock_E7BBBC8147743D84A4B62A2B6E7483A8" xlink:to="lab_us-gaap_ScheduleOfRestructuringReserveByTypeOfCostTextBlock_E7BBBC8147743D84A4B62A2B6E7483A8" xlink:type="arc"/>
<link:label id="lab_ppg_DefinedContributionPlanContributionRatesAsPercentageOfEmployeesEarnings_0B25EF9BA920C3CC1BAB8B4CBE72CA1E_terseLabel_en-US" xlink:label="lab_ppg_DefinedContributionPlanContributionRatesAsPercentageOfEmployeesEarnings_0B25EF9BA920C3CC1BAB8B4CBE72CA1E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Company-matching contributions are applied to eligible participant compensation </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_DefinedContributionPlanContributionRatesAsPercentageOfEmployeesEarnings" xlink:label="loc_ppg_DefinedContributionPlanContributionRatesAsPercentageOfEmployeesEarnings_0B25EF9BA920C3CC1BAB8B4CBE72CA1E" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ppg_DefinedContributionPlanContributionRatesAsPercentageOfEmployeesEarnings_0B25EF9BA920C3CC1BAB8B4CBE72CA1E" xlink:to="lab_ppg_DefinedContributionPlanContributionRatesAsPercentageOfEmployeesEarnings_0B25EF9BA920C3CC1BAB8B4CBE72CA1E" xlink:type="arc"/>
<link:label id="lab_us-gaap_ConsolidationPolicyTextBlock_AFDEE78D3015AF9B7B4F950BC48E3439_terseLabel_en-US" xlink:label="lab_us-gaap_ConsolidationPolicyTextBlock_AFDEE78D3015AF9B7B4F950BC48E3439" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Principles of Consolidation </link:label>
<link:label id="lab_us-gaap_ConsolidationPolicyTextBlock_AFDEE78D3015AF9B7B4F950BC48E3439_label_en-US" xlink:label="lab_us-gaap_ConsolidationPolicyTextBlock_AFDEE78D3015AF9B7B4F950BC48E3439" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Consolidation, Policy [Policy Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConsolidationPolicyTextBlock" xlink:label="loc_us-gaap_ConsolidationPolicyTextBlock_AFDEE78D3015AF9B7B4F950BC48E3439" xlink:type="locator"/>
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<link:label id="lab_us-gaap_UseOfEstimates_082550F96EBE3A4DC1F2950BC48EFE44_terseLabel_en-US" xlink:label="lab_us-gaap_UseOfEstimates_082550F96EBE3A4DC1F2950BC48EFE44" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Use of Estimates in the Preparation of Financial Statements </link:label>
<link:label id="lab_us-gaap_UseOfEstimates_082550F96EBE3A4DC1F2950BC48EFE44_label_en-US" xlink:label="lab_us-gaap_UseOfEstimates_082550F96EBE3A4DC1F2950BC48EFE44" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Use of Estimates, Policy [Policy Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_UseOfEstimates" xlink:label="loc_us-gaap_UseOfEstimates_082550F96EBE3A4DC1F2950BC48EFE44" xlink:type="locator"/>
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<link:label id="lab_us-gaap_RevenueRecognitionPolicyTextBlock_59139EC15C372A95CF70950BC48E3A06_terseLabel_en-US" xlink:label="lab_us-gaap_RevenueRecognitionPolicyTextBlock_59139EC15C372A95CF70950BC48E3A06" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revenue Recognition </link:label>
<link:label id="lab_us-gaap_RevenueRecognitionPolicyTextBlock_59139EC15C372A95CF70950BC48E3A06_label_en-US" xlink:label="lab_us-gaap_RevenueRecognitionPolicyTextBlock_59139EC15C372A95CF70950BC48E3A06" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revenue Recognition, Policy [Policy Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RevenueRecognitionPolicyTextBlock" xlink:label="loc_us-gaap_RevenueRecognitionPolicyTextBlock_59139EC15C372A95CF70950BC48E3A06" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ShippingAndHandlingCostPolicyTextBlock_EF7584FA4D9B60E8C832950BC48E3424_terseLabel_en-US" xlink:label="lab_us-gaap_ShippingAndHandlingCostPolicyTextBlock_EF7584FA4D9B60E8C832950BC48E3424" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Shipping and Handling Costs </link:label>
<link:label id="lab_us-gaap_ShippingAndHandlingCostPolicyTextBlock_EF7584FA4D9B60E8C832950BC48E3424_label_en-US" xlink:label="lab_us-gaap_ShippingAndHandlingCostPolicyTextBlock_EF7584FA4D9B60E8C832950BC48E3424" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Shipping and Handling Cost, Policy [Policy Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShippingAndHandlingCostPolicyTextBlock" xlink:label="loc_us-gaap_ShippingAndHandlingCostPolicyTextBlock_EF7584FA4D9B60E8C832950BC48E3424" xlink:type="locator"/>
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<link:label id="lab_us-gaap_SellingGeneralAndAdministrativeExpensesPolicyTextBlock_1D1C4B00D5910EB999C0950BC48EDC53_terseLabel_en-US" xlink:label="lab_us-gaap_SellingGeneralAndAdministrativeExpensesPolicyTextBlock_1D1C4B00D5910EB999C0950BC48EDC53" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Selling, General and Administrative Costs </link:label>
<link:label id="lab_us-gaap_SellingGeneralAndAdministrativeExpensesPolicyTextBlock_1D1C4B00D5910EB999C0950BC48EDC53_label_en-US" xlink:label="lab_us-gaap_SellingGeneralAndAdministrativeExpensesPolicyTextBlock_1D1C4B00D5910EB999C0950BC48EDC53" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Selling, General and Administrative Expenses, Policy [Policy Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpensesPolicyTextBlock" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpensesPolicyTextBlock_1D1C4B00D5910EB999C0950BC48EDC53" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SellingGeneralAndAdministrativeExpensesPolicyTextBlock_1D1C4B00D5910EB999C0950BC48EDC53" xlink:to="lab_us-gaap_SellingGeneralAndAdministrativeExpensesPolicyTextBlock_1D1C4B00D5910EB999C0950BC48EDC53" xlink:type="arc"/>
<link:label id="lab_us-gaap_AdvertisingCostsPolicyTextBlock_DD8933F2A04E05363824950BC48EDA07_terseLabel_en-US" xlink:label="lab_us-gaap_AdvertisingCostsPolicyTextBlock_DD8933F2A04E05363824950BC48EDA07" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Advertising Costs, Policy [Policy Text Block] </link:label>
<link:label id="lab_us-gaap_AdvertisingCostsPolicyTextBlock_DD8933F2A04E05363824950BC48EDA07_label_en-US" xlink:label="lab_us-gaap_AdvertisingCostsPolicyTextBlock_DD8933F2A04E05363824950BC48EDA07" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Advertising Costs, Policy [Policy Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AdvertisingCostsPolicyTextBlock" xlink:label="loc_us-gaap_AdvertisingCostsPolicyTextBlock_DD8933F2A04E05363824950BC48EDA07" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdvertisingCostsPolicyTextBlock_DD8933F2A04E05363824950BC48EDA07" xlink:to="lab_us-gaap_AdvertisingCostsPolicyTextBlock_DD8933F2A04E05363824950BC48EDA07" xlink:type="arc"/>
<link:label id="lab_us-gaap_ResearchAndDevelopmentExpensePolicy_8189B5433EE5F438A2D6950BC48E4292_terseLabel_en-US" xlink:label="lab_us-gaap_ResearchAndDevelopmentExpensePolicy_8189B5433EE5F438A2D6950BC48E4292" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Research and Development Expense, Policy [Policy Text Block] </link:label>
<link:label id="lab_us-gaap_ResearchAndDevelopmentExpensePolicy_8189B5433EE5F438A2D6950BC48E4292_label_en-US" xlink:label="lab_us-gaap_ResearchAndDevelopmentExpensePolicy_8189B5433EE5F438A2D6950BC48E4292" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Research and Development Expense, Policy [Policy Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ResearchAndDevelopmentExpensePolicy" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpensePolicy_8189B5433EE5F438A2D6950BC48E4292" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ResearchAndDevelopmentExpensePolicy_8189B5433EE5F438A2D6950BC48E4292" xlink:to="lab_us-gaap_ResearchAndDevelopmentExpensePolicy_8189B5433EE5F438A2D6950BC48E4292" xlink:type="arc"/>
<link:label id="lab_us-gaap_LegalCostsPolicyTextBlock_EC1AE4BA05138C96FFC8950BC48EDAD3_terseLabel_en-US" xlink:label="lab_us-gaap_LegalCostsPolicyTextBlock_EC1AE4BA05138C96FFC8950BC48EDAD3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Legal Costs </link:label>
<link:label id="lab_us-gaap_LegalCostsPolicyTextBlock_EC1AE4BA05138C96FFC8950BC48EDAD3_label_en-US" xlink:label="lab_us-gaap_LegalCostsPolicyTextBlock_EC1AE4BA05138C96FFC8950BC48EDAD3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Legal Costs, Policy [Policy Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LegalCostsPolicyTextBlock" xlink:label="loc_us-gaap_LegalCostsPolicyTextBlock_EC1AE4BA05138C96FFC8950BC48EDAD3" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LegalCostsPolicyTextBlock_EC1AE4BA05138C96FFC8950BC48EDAD3" xlink:to="lab_us-gaap_LegalCostsPolicyTextBlock_EC1AE4BA05138C96FFC8950BC48EDAD3" xlink:type="arc"/>
<link:label id="lab_us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_3DFDA9701EDDF4403BC6950BC48E81DD_terseLabel_en-US" xlink:label="lab_us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_3DFDA9701EDDF4403BC6950BC48E81DD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Foreign Currency Translation </link:label>
<link:label id="lab_us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_3DFDA9701EDDF4403BC6950BC48E81DD_label_en-US" xlink:label="lab_us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_3DFDA9701EDDF4403BC6950BC48E81DD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Foreign Currency Transactions and Translations Policy [Policy Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" xlink:label="loc_us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_3DFDA9701EDDF4403BC6950BC48E81DD" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_3DFDA9701EDDF4403BC6950BC48E81DD" xlink:to="lab_us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_3DFDA9701EDDF4403BC6950BC48E81DD" xlink:type="arc"/>
<link:label id="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock_E0E8BF2B301EA55D6EC2950BC48E0F88_terseLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock_E0E8BF2B301EA55D6EC2950BC48E0F88" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash Equivalents </link:label>
<link:label id="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock_E0E8BF2B301EA55D6EC2950BC48E0F88_label_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock_E0E8BF2B301EA55D6EC2950BC48E0F88" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash and Cash Equivalents, Policy [Policy Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:label="loc_us-gaap_CashAndCashEquivalentsPolicyTextBlock_E0E8BF2B301EA55D6EC2950BC48E0F88" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsPolicyTextBlock_E0E8BF2B301EA55D6EC2950BC48E0F88" xlink:to="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock_E0E8BF2B301EA55D6EC2950BC48E0F88" xlink:type="arc"/>
<link:label id="lab_ppg_ShortTermInvestmentsPolicyTextBlock_45823449E65244C4224E950BC48E62AF_terseLabel_en-US" xlink:label="lab_ppg_ShortTermInvestmentsPolicyTextBlock_45823449E65244C4224E950BC48E62AF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Short-term Investments </link:label>
<link:label id="lab_ppg_ShortTermInvestmentsPolicyTextBlock_45823449E65244C4224E950BC48E62AF_label_en-US" xlink:label="lab_ppg_ShortTermInvestmentsPolicyTextBlock_45823449E65244C4224E950BC48E62AF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Short Term Investments Policy [Text Block] </link:label>
<link:label id="lab_ppg_ShortTermInvestmentsPolicyTextBlock_45823449E65244C4224E950BC48E62AF_documentation_en-US" xlink:label="lab_ppg_ShortTermInvestmentsPolicyTextBlock_45823449E65244C4224E950BC48E62AF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Describes an entity's classification of short-term investments. </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_ShortTermInvestmentsPolicyTextBlock" xlink:label="loc_ppg_ShortTermInvestmentsPolicyTextBlock_45823449E65244C4224E950BC48E62AF" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ppg_ShortTermInvestmentsPolicyTextBlock_45823449E65244C4224E950BC48E62AF" xlink:to="lab_ppg_ShortTermInvestmentsPolicyTextBlock_45823449E65244C4224E950BC48E62AF" xlink:type="arc"/>
<link:label id="lab_us-gaap_MarketableSecuritiesPolicy_6BA0AC8D11DBACCF82E5950BC48EAFDD_terseLabel_en-US" xlink:label="lab_us-gaap_MarketableSecuritiesPolicy_6BA0AC8D11DBACCF82E5950BC48EAFDD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Marketable Equity Securities </link:label>
<link:label id="lab_us-gaap_MarketableSecuritiesPolicy_6BA0AC8D11DBACCF82E5950BC48EAFDD_label_en-US" xlink:label="lab_us-gaap_MarketableSecuritiesPolicy_6BA0AC8D11DBACCF82E5950BC48EAFDD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Marketable Securities, Policy [Policy Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MarketableSecuritiesPolicy" xlink:label="loc_us-gaap_MarketableSecuritiesPolicy_6BA0AC8D11DBACCF82E5950BC48EAFDD" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MarketableSecuritiesPolicy_6BA0AC8D11DBACCF82E5950BC48EAFDD" xlink:to="lab_us-gaap_MarketableSecuritiesPolicy_6BA0AC8D11DBACCF82E5950BC48EAFDD" xlink:type="arc"/>
<link:label id="lab_us-gaap_InventoryPolicyTextBlock_62F2DF20D3202747E426950BC48E0CAD_terseLabel_en-US" xlink:label="lab_us-gaap_InventoryPolicyTextBlock_62F2DF20D3202747E426950BC48E0CAD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Inventories </link:label>
<link:label id="lab_us-gaap_InventoryPolicyTextBlock_62F2DF20D3202747E426950BC48E0CAD_label_en-US" xlink:label="lab_us-gaap_InventoryPolicyTextBlock_62F2DF20D3202747E426950BC48E0CAD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Inventory, Policy [Policy Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_InventoryPolicyTextBlock" xlink:label="loc_us-gaap_InventoryPolicyTextBlock_62F2DF20D3202747E426950BC48E0CAD" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InventoryPolicyTextBlock_62F2DF20D3202747E426950BC48E0CAD" xlink:to="lab_us-gaap_InventoryPolicyTextBlock_62F2DF20D3202747E426950BC48E0CAD" xlink:type="arc"/>
<link:label id="lab_us-gaap_DerivativesPolicyTextBlock_0180227EA44C86BBE3FB950BC48EE113_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativesPolicyTextBlock_0180227EA44C86BBE3FB950BC48EE113" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Derivatives, Policy [Policy Text Block] </link:label>
<link:label id="lab_us-gaap_DerivativesPolicyTextBlock_0180227EA44C86BBE3FB950BC48EE113_label_en-US" xlink:label="lab_us-gaap_DerivativesPolicyTextBlock_0180227EA44C86BBE3FB950BC48EE113" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Derivatives, Policy [Policy Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativesPolicyTextBlock" xlink:label="loc_us-gaap_DerivativesPolicyTextBlock_0180227EA44C86BBE3FB950BC48EE113" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativesPolicyTextBlock_0180227EA44C86BBE3FB950BC48EE113" xlink:to="lab_us-gaap_DerivativesPolicyTextBlock_0180227EA44C86BBE3FB950BC48EE113" xlink:type="arc"/>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_D6BADE859383ECFA4E31950BC48E2ACB_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_D6BADE859383ECFA4E31950BC48E2ACB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property </link:label>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_D6BADE859383ECFA4E31950BC48E2ACB_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_D6BADE859383ECFA4E31950BC48E2ACB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment, Policy [Policy Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_D6BADE859383ECFA4E31950BC48E2ACB" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_D6BADE859383ECFA4E31950BC48E2ACB" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_D6BADE859383ECFA4E31950BC48E2ACB" xlink:type="arc"/>
<link:label id="lab_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_F09EBC2BCFAE9A949C8F950BC48EC64C_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_F09EBC2BCFAE9A949C8F950BC48EC64C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Goodwill and Identifiable Intangible Assets </link:label>
<link:label id="lab_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_F09EBC2BCFAE9A949C8F950BC48EC64C_label_en-US" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_F09EBC2BCFAE9A949C8F950BC48EC64C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Goodwill and Intangible Assets, Policy [Policy Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_F09EBC2BCFAE9A949C8F950BC48EC64C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_F09EBC2BCFAE9A949C8F950BC48EC64C" xlink:to="lab_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_F09EBC2BCFAE9A949C8F950BC48EC64C" xlink:type="arc"/>
<link:label id="lab_ppg_AllowanceForDoubtfulAccountsPolicyTextBlock_2EB89A6F1641E0F13C79950BC48F5D03_terseLabel_en-US" xlink:label="lab_ppg_AllowanceForDoubtfulAccountsPolicyTextBlock_2EB89A6F1641E0F13C79950BC48F5D03" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Allowance for Doubtful Accounts </link:label>
<link:label id="lab_ppg_AllowanceForDoubtfulAccountsPolicyTextBlock_2EB89A6F1641E0F13C79950BC48F5D03_label_en-US" xlink:label="lab_ppg_AllowanceForDoubtfulAccountsPolicyTextBlock_2EB89A6F1641E0F13C79950BC48F5D03" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Allowance For Doubtful Accounts Policy [Text Block] </link:label>
<link:label id="lab_ppg_AllowanceForDoubtfulAccountsPolicyTextBlock_2EB89A6F1641E0F13C79950BC48F5D03_documentation_en-US" xlink:label="lab_ppg_AllowanceForDoubtfulAccountsPolicyTextBlock_2EB89A6F1641E0F13C79950BC48F5D03" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Describes an entity's policy regarding accounts receivable reserves and write-offs. </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_AllowanceForDoubtfulAccountsPolicyTextBlock" xlink:label="loc_ppg_AllowanceForDoubtfulAccountsPolicyTextBlock_2EB89A6F1641E0F13C79950BC48F5D03" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ppg_AllowanceForDoubtfulAccountsPolicyTextBlock_2EB89A6F1641E0F13C79950BC48F5D03" xlink:to="lab_ppg_AllowanceForDoubtfulAccountsPolicyTextBlock_2EB89A6F1641E0F13C79950BC48F5D03" xlink:type="arc"/>
<link:label id="lab_us-gaap_StandardProductWarrantyPolicy_88A1A97A55CB49ECECCC950BC48FE043_terseLabel_en-US" xlink:label="lab_us-gaap_StandardProductWarrantyPolicy_88A1A97A55CB49ECECCC950BC48FE043" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Product Warranties </link:label>
<link:label id="lab_us-gaap_StandardProductWarrantyPolicy_88A1A97A55CB49ECECCC950BC48FE043_label_en-US" xlink:label="lab_us-gaap_StandardProductWarrantyPolicy_88A1A97A55CB49ECECCC950BC48FE043" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Standard Product Warranty, Policy [Policy Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StandardProductWarrantyPolicy" xlink:label="loc_us-gaap_StandardProductWarrantyPolicy_88A1A97A55CB49ECECCC950BC48FE043" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StandardProductWarrantyPolicy_88A1A97A55CB49ECECCC950BC48FE043" xlink:to="lab_us-gaap_StandardProductWarrantyPolicy_88A1A97A55CB49ECECCC950BC48FE043" xlink:type="arc"/>
<link:label id="lab_us-gaap_AssetRetirementObligationsPolicy_3171DB60C03EA956C528950BC48F079A_terseLabel_en-US" xlink:label="lab_us-gaap_AssetRetirementObligationsPolicy_3171DB60C03EA956C528950BC48F079A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Asset Retirement Obligations </link:label>
<link:label id="lab_us-gaap_AssetRetirementObligationsPolicy_3171DB60C03EA956C528950BC48F079A_label_en-US" xlink:label="lab_us-gaap_AssetRetirementObligationsPolicy_3171DB60C03EA956C528950BC48F079A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Asset Retirement Obligations, Policy [Policy Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AssetRetirementObligationsPolicy" xlink:label="loc_us-gaap_AssetRetirementObligationsPolicy_3171DB60C03EA956C528950BC48F079A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetRetirementObligationsPolicy_3171DB60C03EA956C528950BC48F079A" xlink:to="lab_us-gaap_AssetRetirementObligationsPolicy_3171DB60C03EA956C528950BC48F079A" xlink:type="arc"/>
<link:label id="lab_ppg_RecentlyAdoptedAccountingStandardsPolicyTextBlock_9A0EE644BEB4D42A1EA2950BC48F770E_terseLabel_en-US" xlink:label="lab_ppg_RecentlyAdoptedAccountingStandardsPolicyTextBlock_9A0EE644BEB4D42A1EA2950BC48F770E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accounting Standards Adopted in 2017 </link:label>
<link:label id="lab_ppg_RecentlyAdoptedAccountingStandardsPolicyTextBlock_9A0EE644BEB4D42A1EA2950BC48F770E_label_en-US" xlink:label="lab_ppg_RecentlyAdoptedAccountingStandardsPolicyTextBlock_9A0EE644BEB4D42A1EA2950BC48F770E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Recently Adopted Accounting Standards Policy [Text Block] </link:label>
<link:label id="lab_ppg_RecentlyAdoptedAccountingStandardsPolicyTextBlock_9A0EE644BEB4D42A1EA2950BC48F770E_documentation_en-US" xlink:label="lab_ppg_RecentlyAdoptedAccountingStandardsPolicyTextBlock_9A0EE644BEB4D42A1EA2950BC48F770E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Recently Adopted Accounting Standards, Policy [Text Block] </link:label>
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<link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_AA41C926C3E023D6F78C2A2B6F9DC9A7_terseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_AA41C926C3E023D6F78C2A2B6F9DC9A7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Expected life of option in years </link:label>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_4B4D6B70D6DE7E6A5E892A2B6F9DCFB2_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_4B4D6B70D6DE7E6A5E892A2B6F9DCFB2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Expected dividend yield </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_4B4D6B70D6DE7E6A5E892A2B6F9DCFB2_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_4B4D6B70D6DE7E6A5E892A2B6F9DCFB2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate </link:label>
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<link:label id="lab_ppg_SharesOutstandingDisclosureTableTextBlock_AF106030E163D26C0E3C2A2B6E6FEF95_terseLabel_en-US" xlink:label="lab_ppg_SharesOutstandingDisclosureTableTextBlock_AF106030E163D26C0E3C2A2B6E6FEF95" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Summary of Shares Outstanding </link:label>
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<link:loc xlink:href="ppg-20171231.xsd#ppg_SharesOutstandingDisclosureTableTextBlock" xlink:label="loc_ppg_SharesOutstandingDisclosureTableTextBlock_AF106030E163D26C0E3C2A2B6E6FEF95" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_02B5156D5669F7F0E3D2DF6C98761EDF_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_02B5156D5669F7F0E3D2DF6C98761EDF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accumulated Other Comprehensive Income (Loss) [Table] </link:label>
<link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_02B5156D5669F7F0E3D2DF6C98761EDF_label_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_02B5156D5669F7F0E3D2DF6C98761EDF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accumulated Other Comprehensive Income (Loss) [Table] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_02B5156D5669F7F0E3D2DF6C98761EDF" xlink:type="locator"/>
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<link:label id="lab_us-gaap_StatementEquityComponentsAxis_FDE4A3E9D6428E78B976DF6C9876B770_terseLabel_en-US" xlink:label="lab_us-gaap_StatementEquityComponentsAxis_FDE4A3E9D6428E78B976DF6C9876B770" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Equity Components [Axis] </link:label>
<link:label id="lab_us-gaap_StatementEquityComponentsAxis_FDE4A3E9D6428E78B976DF6C9876B770_label_en-US" xlink:label="lab_us-gaap_StatementEquityComponentsAxis_FDE4A3E9D6428E78B976DF6C9876B770" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Equity Components [Axis] </link:label>
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<link:label id="lab_us-gaap_EquityComponentDomain_57B0D306CC6F72E196D5DF6C9876E9EA_terseLabel_en-US" xlink:label="lab_us-gaap_EquityComponentDomain_57B0D306CC6F72E196D5DF6C9876E9EA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Equity Component [Domain] </link:label>
<link:label id="lab_us-gaap_EquityComponentDomain_57B0D306CC6F72E196D5DF6C9876E9EA_label_en-US" xlink:label="lab_us-gaap_EquityComponentDomain_57B0D306CC6F72E196D5DF6C9876E9EA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Equity Component [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_57B0D306CC6F72E196D5DF6C9876E9EA" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AccumulatedTranslationAdjustmentMember_6E34277B4AF92A330D2EDF6C98768F9E_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedTranslationAdjustmentMember_6E34277B4AF92A330D2EDF6C98768F9E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Unrealized Currency Translation Adjustments </link:label>
<link:label id="lab_us-gaap_AccumulatedTranslationAdjustmentMember_6E34277B4AF92A330D2EDF6C98768F9E_label_en-US" xlink:label="lab_us-gaap_AccumulatedTranslationAdjustmentMember_6E34277B4AF92A330D2EDF6C98768F9E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accumulated Foreign Currency Adjustment Attributable to Parent [Member] </link:label>
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<link:label id="lab_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_6188D27D4E4ABB423DBADF6C98766707_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_6188D27D4E4ABB423DBADF6C98766707" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Pension and Other Post retirement Benefit Adjustments </link:label>
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<link:label id="lab_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember_E862576E8C35DB651302DF6C9876288E_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember_E862576E8C35DB651302DF6C9876288E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Unrealized Gain (Loss) on Derivatives </link:label>
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<link:label id="lab_ppg_Notes5500PercentDue2040Member_6CB0153F5480115879FA8B4CD8CFE734_terseLabel_en-US" xlink:label="lab_ppg_Notes5500PercentDue2040Member_6CB0153F5480115879FA8B4CD8CFE734" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Notes 5.5 Percent Due 2040 </link:label>
<link:label id="lab_ppg_Notes5500PercentDue2040Member_6CB0153F5480115879FA8B4CD8CFE734_label_en-US" xlink:label="lab_ppg_Notes5500PercentDue2040Member_6CB0153F5480115879FA8B4CD8CFE734" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Notes 5.500 Percent Due 2040 [Member] </link:label>
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<link:loc xlink:href="ppg-20171231.xsd#ppg_Notes5500PercentDue2040Member" xlink:label="loc_ppg_Notes5500PercentDue2040Member_6CB0153F5480115879FA8B4CD8CFE734" xlink:type="locator"/>
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<link:label id="lab_ppg_ImpactOfDerivativesOnDebtMember_65900937679A5A4F94D18B4CD8CFD517_terseLabel_en-US" xlink:label="lab_ppg_ImpactOfDerivativesOnDebtMember_65900937679A5A4F94D18B4CD8CFD517" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Impact Of Derivatives On Debt </link:label>
<link:label id="lab_ppg_ImpactOfDerivativesOnDebtMember_65900937679A5A4F94D18B4CD8CFD517_label_en-US" xlink:label="lab_ppg_ImpactOfDerivativesOnDebtMember_65900937679A5A4F94D18B4CD8CFD517" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Impact Of Derivatives On Debt [Member] </link:label>
<link:label id="lab_ppg_ImpactOfDerivativesOnDebtMember_65900937679A5A4F94D18B4CD8CFD517_documentation_en-US" xlink:label="lab_ppg_ImpactOfDerivativesOnDebtMember_65900937679A5A4F94D18B4CD8CFD517" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Impact Of Derivatives On Debt [Member] </link:label>
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<link:label id="lab_ppg_OtherNonUSDebtWeightedAverage70PercentMember_2ACCF8EE531688F6EE898B4CD8CFA3AC_terseLabel_en-US" xlink:label="lab_ppg_OtherNonUSDebtWeightedAverage70PercentMember_2ACCF8EE531688F6EE898B4CD8CFA3AC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other Non US Debt </link:label>
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<link:label id="lab_ppg_Notes665PercentDue2018Member_92235C658D746F817D908B4CD8CF18DC_terseLabel_en-US" xlink:label="lab_ppg_Notes665PercentDue2018Member_92235C658D746F817D908B4CD8CF18DC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Notes 6.65 Percent Due 2018 </link:label>
<link:label id="lab_ppg_Notes665PercentDue2018Member_92235C658D746F817D908B4CD8CF18DC_label_en-US" xlink:label="lab_ppg_Notes665PercentDue2018Member_92235C658D746F817D908B4CD8CF18DC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Notes 6.65 Percent Due 2018 [Member] </link:label>
<link:label id="lab_ppg_Notes665PercentDue2018Member_92235C658D746F817D908B4CD8CF18DC_documentation_en-US" xlink:label="lab_ppg_Notes665PercentDue2018Member_92235C658D746F817D908B4CD8CF18DC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Notes 6.65 Percent Due 2018 [Member] </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_Notes665PercentDue2018Member" xlink:label="loc_ppg_Notes665PercentDue2018Member_92235C658D746F817D908B4CD8CF18DC" xlink:type="locator"/>
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<link:label id="lab_ppg_TermLoanCreditAgreements2016Member_FB6022D7E9CC734CA5448B4CD8CFA6B0_terseLabel_en-US" xlink:label="lab_ppg_TermLoanCreditAgreements2016Member_FB6022D7E9CC734CA5448B4CD8CFA6B0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Term Loan Credit Agreements 2016 [Member] </link:label>
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<link:loc xlink:href="ppg-20171231.xsd#ppg_TermLoanCreditAgreements2016Member" xlink:label="loc_ppg_TermLoanCreditAgreements2016Member_FB6022D7E9CC734CA5448B4CD8CFA6B0" xlink:type="locator"/>
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<link:label id="lab_ppg_Notes74PercentDue2019Member_F36C8235E5E3DB95A7E98B4CD8CF398D_terseLabel_en-US" xlink:label="lab_ppg_Notes74PercentDue2019Member_F36C8235E5E3DB95A7E98B4CD8CF398D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Notes 7.4 Percent Due 2019 [Member] </link:label>
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<link:loc xlink:href="ppg-20171231.xsd#ppg_Notes74PercentDue2019Member" xlink:label="loc_ppg_Notes74PercentDue2019Member_F36C8235E5E3DB95A7E98B4CD8CF398D" xlink:type="locator"/>
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<link:label id="lab_ppg_Notes270PercentDue2022Member_050A5B04B6663CF6662A8B4CD8CFEAB7_terseLabel_en-US" xlink:label="lab_ppg_Notes270PercentDue2022Member_050A5B04B6663CF6662A8B4CD8CFEAB7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Notes 2.70 Percent Due 2022 [Member] </link:label>
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<link:loc xlink:href="ppg-20171231.xsd#ppg_Notes270PercentDue2022Member" xlink:label="loc_ppg_Notes270PercentDue2022Member_050A5B04B6663CF6662A8B4CD8CFEAB7" xlink:type="locator"/>
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<link:label id="lab_us-gaap_LongTermDebt_A05805E9E6833BFB82B38B4CD8CF3AC5_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebt_A05805E9E6833BFB82B38B4CD8CF3AC5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Long-term Debt </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_A05805E9E6833BFB82B38B4CD8CF3AC5" xlink:type="locator"/>
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<link:label id="lab_us-gaap_LongTermDebtAndCapitalLeaseObligations_55AFE93E303950EA89428B4CD8CF0DD5_totalLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtAndCapitalLeaseObligations_55AFE93E303950EA89428B4CD8CF0DD5" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Long-term debt and capital lease obligations </link:label>
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<link:label id="lab_us-gaap_LongTermDebtCurrent_21136A4C9410EBE1D9588B4CD8CF1746_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtCurrent_21136A4C9410EBE1D9588B4CD8CF1746" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Less payments due within one year </link:label>
<link:label id="lab_us-gaap_LongTermDebtCurrent_21136A4C9410EBE1D9588B4CD8CF1746_label_en-US" xlink:label="lab_us-gaap_LongTermDebtCurrent_21136A4C9410EBE1D9588B4CD8CF1746" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Current Maturities </link:label>
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<link:label id="lab_us-gaap_LongTermDebtNoncurrent_91B673C2DF0451CBBF7D8B4CD8CFF36F_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtNoncurrent_91B673C2DF0451CBBF7D8B4CD8CFF36F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Long-term debt </link:label>
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<link:label id="lab_us-gaap_DebtInstrumentInterestRateEffectivePercentage_5780B0C64649D648ED108B4CD8CF2234_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateEffectivePercentage_5780B0C64649D648ED108B4CD8CF2234" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Effective interest rates </link:label>
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<link:label id="lab_us-gaap_LongTermDebtPercentageBearingVariableInterestRate_8319AA7CDD006EA821358B6C483729E3_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtPercentageBearingVariableInterestRate_8319AA7CDD006EA821358B6C483729E3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate </link:label>
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<link:label id="lab_ppg_EquityInUndistributedEarningsLossesOfSubsidiaries_F9A4A8DD20381E80DDAA950BC4523C4E_terseLabel_en-US" xlink:label="lab_ppg_EquityInUndistributedEarningsLossesOfSubsidiaries_F9A4A8DD20381E80DDAA950BC4523C4E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Equity In Undistributed Earnings Losses Of Subsidiaries </link:label>
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<link:label id="lab_ppg_EquityInUndistributedEarningsLossesOfSubsidiaries_F9A4A8DD20381E80DDAA950BC4523C4E_documentation_en-US" xlink:label="lab_ppg_EquityInUndistributedEarningsLossesOfSubsidiaries_F9A4A8DD20381E80DDAA950BC4523C4E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> PPG's share of undistributed net earnings of equity affiliates. </link:label>
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<link:label id="lab_us-gaap_ProceedsFromDividendsReceived_13671A511B7812E90295950BC452EA13_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromDividendsReceived_13671A511B7812E90295950BC452EA13" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Proceeds from Dividends Received </link:label>
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<link:label id="lab_us-gaap_StatementOfStockholdersEquityAbstract_29CCA5F4923AF4E4EED794FEF3A2080A_label_en-US" xlink:label="lab_us-gaap_StatementOfStockholdersEquityAbstract_29CCA5F4923AF4E4EED794FEF3A2080A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Statement of Stockholders' Equity [Abstract] </link:label>
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<link:label id="lab_us-gaap_AdditionalPaidInCapitalMember_7BCDA87442D651F236CD94FEF3A24E28_terseLabel_en-US" xlink:label="lab_us-gaap_AdditionalPaidInCapitalMember_7BCDA87442D651F236CD94FEF3A24E28" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Additional Paid-In Capital </link:label>
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<link:label id="lab_us-gaap_ParentMember_ED7EC498684B9E4E3C5A94FEF3A39ECB_terseLabel_en-US" xlink:label="lab_us-gaap_ParentMember_ED7EC498684B9E4E3C5A94FEF3A39ECB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Total PPG </link:label>
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<link:label id="lab_us-gaap_DividendsCommonStockCash_092F4F04E0772FB7D4D694FEF3A35E2C_label_en-US" xlink:label="lab_us-gaap_DividendsCommonStockCash_092F4F04E0772FB7D4D694FEF3A35E2C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Dividends, Common Stock, Cash </link:label>
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<link:label id="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalStockSplit_0C0E89C7FDFAF0AA6D1D94FEF3A3F0DF_label_en-US" xlink:label="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalStockSplit_0C0E89C7FDFAF0AA6D1D94FEF3A3F0DF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Adjustments to Additional Paid in Capital, Stock Split </link:label>
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<link:label id="lab_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_596FBBD79C73A3A440742A2B6FD905BB_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_596FBBD79C73A3A440742A2B6FD905BB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment </link:label>
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<link:label id="lab_us-gaap_SignificantAccountingPoliciesTextBlock_C21A3BB56BC5F07626B32A2B6F2212A5_terseLabel_en-US" xlink:label="lab_us-gaap_SignificantAccountingPoliciesTextBlock_C21A3BB56BC5F07626B32A2B6F2212A5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Summary of Significant Accounting Policies </link:label>
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<link:label id="lab_us-gaap_ScheduleOfComprehensiveIncomeLossTableTextBlock_71529367762F7DD6D27A2A2B6EC119E5_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfComprehensiveIncomeLossTableTextBlock_71529367762F7DD6D27A2A2B6EC119E5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accumulated Other Comprehensive Loss </link:label>
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<link:label id="lab_us-gaap_ScheduleOfResearchAndDevelopmentAssetsAcquiredOtherThanThroughBusinessCombinationTextBlock_A355902F47FF0242B8D62A2B6F2793F6_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfResearchAndDevelopmentAssetsAcquiredOtherThanThroughBusinessCombinationTextBlock_A355902F47FF0242B8D62A2B6F2793F6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Research and Development </link:label>
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<link:label id="lab_us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnAccumulatedPostretirementBenefitObligation1_8DD42A599EBBCFC79E872A2B6E73A765_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnAccumulatedPostretirementBenefitObligation1_8DD42A599EBBCFC79E872A2B6E73A765" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Decrease in the benefit obligation </link:label>
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<link:label id="lab_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_7A17FB1B439A5EDBBD1566C2AE1097EC_terseLabel_en-US" xlink:label="lab_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_7A17FB1B439A5EDBBD1566C2AE1097EC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] </link:label>
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<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" xlink:label="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_7A17FB1B439A5EDBBD1566C2AE1097EC" xlink:type="locator"/>
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<link:label id="lab_us-gaap_FairValueHedgingMember_685278949E406272620866C2AE11BD36_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueHedgingMember_685278949E406272620866C2AE11BD36" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fair Value Hedging </link:label>
<link:label id="lab_us-gaap_FairValueHedgingMember_685278949E406272620866C2AE11BD36_label_en-US" xlink:label="lab_us-gaap_FairValueHedgingMember_685278949E406272620866C2AE11BD36" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value Hedging [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueHedgingMember" xlink:label="loc_us-gaap_FairValueHedgingMember_685278949E406272620866C2AE11BD36" xlink:type="locator"/>
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<link:label id="lab_ppg_EconomicHedgingMember_F2D1E9FE639803EA255166C2AE119A2E_terseLabel_en-US" xlink:label="lab_ppg_EconomicHedgingMember_F2D1E9FE639803EA255166C2AE119A2E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Economic Hedging [Member] </link:label>
<link:label id="lab_ppg_EconomicHedgingMember_F2D1E9FE639803EA255166C2AE119A2E_label_en-US" xlink:label="lab_ppg_EconomicHedgingMember_F2D1E9FE639803EA255166C2AE119A2E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Economic Hedging [Member] </link:label>
<link:label id="lab_ppg_EconomicHedgingMember_F2D1E9FE639803EA255166C2AE119A2E_documentation_en-US" xlink:label="lab_ppg_EconomicHedgingMember_F2D1E9FE639803EA255166C2AE119A2E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Economic Hedging [Member] </link:label>
<link:loc xlink:href="ppg-20171231.xsd#ppg_EconomicHedgingMember" xlink:label="loc_ppg_EconomicHedgingMember_F2D1E9FE639803EA255166C2AE119A2E" xlink:type="locator"/>
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<link:label id="lab_us-gaap_CurrencySwapMember_08040D3F96AEFE190B8266C2AE12072E_terseLabel_en-US" xlink:label="lab_us-gaap_CurrencySwapMember_08040D3F96AEFE190B8266C2AE12072E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Currency Swap </link:label>
<link:label id="lab_us-gaap_CurrencySwapMember_08040D3F96AEFE190B8266C2AE12072E_label_en-US" xlink:label="lab_us-gaap_CurrencySwapMember_08040D3F96AEFE190B8266C2AE12072E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Currency Swap [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CurrencySwapMember" xlink:label="loc_us-gaap_CurrencySwapMember_08040D3F96AEFE190B8266C2AE12072E" xlink:type="locator"/>
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<link:label id="lab_ppg_OtherForeignCurrencyDenominatedDebtMember_0AA9D09C6F3B975B9D6E66C2AE129580_terseLabel_en-US" xlink:label="lab_ppg_OtherForeignCurrencyDenominatedDebtMember_0AA9D09C6F3B975B9D6E66C2AE129580" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other Foreign Currency Denominated Debt </link:label>
<link:label id="lab_ppg_OtherForeignCurrencyDenominatedDebtMember_0AA9D09C6F3B975B9D6E66C2AE129580_label_en-US" xlink:label="lab_ppg_OtherForeignCurrencyDenominatedDebtMember_0AA9D09C6F3B975B9D6E66C2AE129580" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Foreign Currency Denominated Debt [Member] </link:label>
<link:label id="lab_ppg_OtherForeignCurrencyDenominatedDebtMember_0AA9D09C6F3B975B9D6E66C2AE129580_documentation_en-US" xlink:label="lab_ppg_OtherForeignCurrencyDenominatedDebtMember_0AA9D09C6F3B975B9D6E66C2AE129580" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Other Foreign Currency Denominated Debt [Member] </link:label>
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<link:label id="lab_us-gaap_SalesMember_DCE7DB46D59AFE2D516266C2AE12B01D_terseLabel_en-US" xlink:label="lab_us-gaap_SalesMember_DCE7DB46D59AFE2D516266C2AE12B01D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Sales </link:label>
<link:label id="lab_us-gaap_SalesMember_DCE7DB46D59AFE2D516266C2AE12B01D_label_en-US" xlink:label="lab_us-gaap_SalesMember_DCE7DB46D59AFE2D516266C2AE12B01D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Sales [Member] </link:label>
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<link:label id="lab_us-gaap_OtherExpenseMember_3DAB07B6087B9E3EA06E66C2AE12A9CF_terseLabel_en-US" xlink:label="lab_us-gaap_OtherExpenseMember_3DAB07B6087B9E3EA06E66C2AE12A9CF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other Expense </link:label>
<link:label id="lab_us-gaap_OtherExpenseMember_3DAB07B6087B9E3EA06E66C2AE12A9CF_label_en-US" xlink:label="lab_us-gaap_OtherExpenseMember_3DAB07B6087B9E3EA06E66C2AE12A9CF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Expense [Member] </link:label>
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<link:label id="lab_us-gaap_DerivativesFairValueLineItems_22FD409B3BFB91C1AE7766C2AE128C05_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativesFairValueLineItems_22FD409B3BFB91C1AE7766C2AE128C05" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Derivatives, Fair Value [Line Items] </link:label>
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2 Subsequent Filings that Reference this Filing

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

10/11/18  SEC                               UPLOAD11/20/18    2:133K PPG Industries Inc.
 8/30/18  SEC                               UPLOAD11/20/18    2:237K PPG Industries Inc.
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