O-Rings - Eriks USA
O-rings are generally made of an elastomeric material, but may be made of other materials such as PTFE or metal. ... Fluoroelastomer FKM (Viton®) 75 and 90 Shore A Perfluoroelastomer FFKM (Kalrez®) 75 Shore A Ethylene-propylene EP, EPDM 70° …