Machinery oil seal 1:Material:NBR,Silicone,FKM,etc. 2: OEM/Customized specifications are welcome 2: OEM/Customized specifications are welcomeOil SealRubber Oil Seal, Rubber Seal.1. Material: NBR, SILICONE, VITON,HNBR, CR, PTFE, EPDM, etc. Can choose on your requirement;2. types of Rubber Oil Seal: TC, TB, TA, SC, SB, SA, VC, VB, VA, KC, KB, KA, DC, DB etc, also can make on your demand;4. ...