... Silicon, etc. 2.Various sizes. 3.Superior quality FAB V type cylinder DAS skeleton combination oil seal1.Materials: NBR, ... VITON,HNBR, CR, PTFE, EPDM, etc. Can choose on your requirement;2. types of Rubber Oil Seal: TC, TB ... Rubber Oil Seal,Rubber Seal, also can make on your size.5.Optional color for you of ... brown, white, green, violet etc, can make it on your order;6. Your OEM order of Oil Seal,Rubber ...