... , SBR, IIR, EPDM, silicone, nitrile rubber Detailed Prodcut DescriptionO type rubber ring1)We can supply many different kinds of rubber rings and gaskets which ... Materials include NBR, NR, SBR, IIR, EPDM, silicone, nitrile rubber and Vitonorupon customers' requests3) Rubber products have good water resistant, oil, high/low ...