... -Ring is good at both in static seal and dynamic seal, main material contains: NBR,SR,VITON, ... size. 5. Optional color for you of the oil seal, O-Ring and rubber gasket: Black, red, ... We promise the high quality but low price of Oil seal, O-Ring , Rubber seal, Rubber gasket, Rubber ring, Sealing ... ring, Sealing gasket. FKM RUBBER O-RING SEAL characteristics are as follows1. Can be heat-resistant ...