... :NBR,Silicone FKM,ETC OEM/Customized specification are welcome FKM oil seal rubber oil seal and rubber seal1. Material: NBR, Silicone, viton, HNBR, CR, ... EPDM, etc can choose on your requirement.2. types of rubber oil seal: TC, TB,TA, SC, SB, SA,,VC, VB, ... make on your size.4. Optional color for you of Oil seal Rubber oil seal, Rubber seal, Rubber Gasket, O-ring: RED, GREEN ,BROWN,WHITE, YELLO etc.5. ...