Rubber Oil Seal, 1. Material: NBR, SILICONE, VITON,HNBR, CR, PTFE, EPDM, ACM ,FKM,etc. 2. types :TC, TB, TA, SC, ... , VB, Rubber Oil Seal, 1. Material: NBR, SILICONE, VITON,HNBR, CR, PTFE, EPDM, ACM ,FKM,etc. 2. types :TC, TB, TA, SC ... etc,Rubber Oil Seal,1. Material: NBR, SILICONE, VITON,HNBR, CR, PTFE, EPDM, ACM ,FKM,etc. Can choose on your requirement;2 ...