... , TB, SB, etc. 1. Material: NBR, SILICONE, VITON, HNBR, CR, PTFE, EPDM, etc. Can choose on your requirement.2. Types of ... Oil Seal, Rubber Oil Seal, Rubber Seal, Rubber Gasket, O-Ring: Black, red, yellow, brown, white, green, violet etc, can make ... Oil Seal, O-Ring, Rubber Seal, Rubber Gasket, Rubber Ring, Sealing Ring, Sealing Gasket.ASTM/DIN ISONBR ACM VMQFKM(NEM) HNBR(NEM) PTFE FKM Wear Resistance ...