... caps 1)Materail:NBR,SBR and EPDM rubber 2)Quality:ROHS&SGS&FDA&Reach 3)OEM of Rubber end caps ... 4)Lead time:10day Rubber end caps ... Material NBR, NR, EPDM, FKM, SBR, Silicone ... We use various kind of polymers like NBR, NR, EPDM, FKM, SBR, Silicone, Neoprene etc. Custom materials ...