EX-23 6 dex23.htm CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM Consent of Independent Registered Public Accounting Firm

EXHIBIT 23

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statements on Form S-3 (Registration Nos. 333-155607 and 333-163294) and on Form S-8 (Registration Nos. 333-48130, 033-54158, 333-88229, 333-58676, 333-65400, 333-104354, 333-115713, 333-136648 and 333-159513) of Quaker Chemical Corporation of our report dated March 2, 2011 relating to the financial statements and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.

/s/ PricewaterhouseCoopers LLP

Philadelphia, PA

March 2, 2011