PARSIPPANY, N.J.--(BUSINESS WIRE)--Evonik Corporation and its Resource Efficiency segment’s implant grade polyetheretherketone (PEEK) polymer VESTAKEEP® has been validated in the titanium coating processes of leading orthopedic implant coater Surface Dynamics. Evonik’s PEEK polymer demonstrated the critical mechanical properties required under the U.S. Food and Drug Administration (FDA) consensus standards.