... us.Materials: Polyurethane(PU), NBR,FKM,FPM,VITON,SIL,ACM,EPDM,H-NBR,NR,EVA,etc. PA,TPU,PE,PP,PTFE ... ,Hardness Shore A (-/+): 40-1002,Working Temperature: -65+300°C3,Color/Size/Logo: Black or according to client requirement4,Unit price ... ' design and specification are accepted.Building a Brand New Future EPDM Rubber O-Ring,VITON Rubber Seal Ring,U Ring