... , EPDM, ACM ,FKM,etc. 2. types :TC, TB, TA, SC, SB, SA, VC, VB, Rubber Oil Seal, 1. Material: NBR, SILICONE ... , EPDM, ACM ,FKM,etc. 2. types :TC, TB, TA, SC, SB, SA, VC, VB, VA, KC, KB, KA, DC, DB etc ... ;2. types of Rubber Oil Seal: TC, TB, TA, SC, SB, SA, VC, VB, VA, KC, KB, KA, DC, DB etc ...