702-21-55890 o ring

NBR (Nitrile Rubber) is a synthetic rubber made from the copolymerization of butadiene and acrylonitrile, while FKM (Fluoroelastomer) is a high-performance synthetic rubber made from the copolymerization of fluorine-containing monomers. Our factory produced O-ring such as 702-21-55890 contains a variety of materials for you to choose. Oil Resistance: NBR O-rings perform well in conventional oils, […]