... 3)OEM of Rubber sleeve 4)Lead time:10day Rubber sleeve Material NBR, NR, EPDM, FKM, SBR, Silicone, Neoprene or foam Size According ... kind of polymers like NBR, NR, EPDM, FKM, SBR, Silicone, Neoprene etc. Custom materials available; tell us the application, and we ...