Quaker Chemical (KWR) 10-Q 2021 Q2 Quarterly report

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EXHIBIT 32.1

CERTIFICATIONPURSUANT TO 18 U.S.C. SECTION 1350

The undersigned hereby certifies that the Form 10-Q QuarterlyReport of Quaker Chemical Corporation (the “Company”)for the

quarterly period ended June 30, 2021 filed with the Securities andExchange Commission (the “Report”) fully complies with the

requirements of Section 13(a) or 15(d) of the Securities ExchangeAct of 1934 and that the information containedin the Report fairly

presents, in all material respects, the financial conditionand results of operations of the Company.

Dated: August 5, 2021

/s/ Michael F. Barry

Michael F. Barry

Chief Executive Officer of Quaker ChemicalCorporation