EX-23 5 dex23.txt CONSENT OF INDEPENDENT AUDITORS Exhibit 23 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in the Registration Statement on Form S-3 (No. 333-19957) and on Form S-8 (No.2-57924, No.33-54158, No.33-51655, No. 333-26793, No. 333-88229, No. 333-48130, No. 333-58676, and No. 333-65400) of Quaker Chemical Corporation of our report dated March 18, 2003 relating to the financial statements and financial statement schedule, which appears in this Form 10-K. /s/ PricewaterhouseCoopers LLP PricewaterhouseCoopers LLP Philadelphia, Pennsylvania March 27, 2003