... 1. Several material f or oil seal, O-Ring and rubber gasket like: NBR, HNBR, CR, PDFE, EPDM, SILICONE ... , SB, SA, VC, VB, VA, KC, KB, KA, DC, DB etc, also can make on your demand; 3 ... for you of the oil seal, O-Ring and rubber gasket: Black, red, yellow, brown, white, green ... seal, O-Ring , Rubber seal, Rubber gasket, Rubber ring, Sealing ring, Sealing gasket. FKM RUBBER O-RING SEAL characteristics are ...