<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM PPG
INDUSTRIES, INC., SEPTEMBER 30, 1998 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-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               SEP-30-1998
<CASH>                                             264
<SECURITIES>                                         0
<RECEIVABLES>                                    1,354
<ALLOWANCES>                                         0
<INVENTORY>                                        870
<CURRENT-ASSETS>                                 2,716
<PP&E>                                           6,548
<DEPRECIATION>                                   3,742
<TOTAL-ASSETS>                                   7,133
<CURRENT-LIABILITIES>                            1,530
<BONDS>                                          1,203
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           484
<OTHER-SE>                                       2,437
<TOTAL-LIABILITY-AND-EQUITY>                     7,133
<SALES>                                          5,721
<TOTAL-REVENUES>                                 5,721
<CGS>                                            3,413
<TOTAL-COSTS>                                    3,413
<OTHER-EXPENSES>                                   538
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                  85
<INCOME-PRETAX>                                  1,041
<INCOME-TAX>                                       380
<INCOME-CONTINUING>                                  0
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                       639
<EPS-PRIMARY>                                     3.61
<EPS-DILUTED>                                     3.57