... NBR, SILICONE, VITON,HNBR, CR, PTFE, EPDM, etc. Can choose on your requirement; 2. types of Rubber Oil Seal: TC ... Seal,Rubber Oil Seal,Rubber Seal, also can make on your size. 4.Optional color for you of the Oil Seal,Rubber Oil Seal,Rubber Seal,Rubber Gasket, O-Ring ... but competitive price of Oil Seal,Rubber Oil Seal, O-Ring, Rubber Seal, Rubber Gasket, Rubber Ring, Sealing Ring, Sealing Gasket.