<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM PPG
INDUSTRIES, INC. SEPTEMBER 30, 1997 FINANCIAL STATEMENTS AND IS QUALIFIED IN ITS
ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000,000
       
                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               SEP-30-1997
<CASH>                                              90
<SECURITIES>                                         0
<RECEIVABLES>                                    1,301
<ALLOWANCES>                                         0
<INVENTORY>                                        819
<CURRENT-ASSETS>                                 2,411
<PP&E>                                           6,716
<DEPRECIATION>                                   3,870
<TOTAL-ASSETS>                                   6,538
<CURRENT-LIABILITIES>                            1,656
<BONDS>                                            990
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           484
<OTHER-SE>                                       1,999
<TOTAL-LIABILITY-AND-EQUITY>                     6,538
<SALES>                                          5,533
<TOTAL-REVENUES>                                 5,533
<CGS>                                            3,312
<TOTAL-COSTS>                                    3,312
<OTHER-EXPENSES>                                   506
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                  76
<INCOME-PRETAX>                                    925
<INCOME-TAX>                                       352
<INCOME-CONTINUING>                                  0
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                       555
<EPS-PRIMARY>                                     3.08
<EPS-DILUTED>                                     3.08