rubber ring Materials include NBR, NR, SBR, IIR, EPDM, silicone, nitrile rubber Detailed Prodcut DescriptionO type rubber ring1)We can supply many different kinds of rubber rings and gaskets which are madeas hot-water heating, sanitary and bathing products, electron and electric appliances,hardware and machinery, hydromantic and pneumatic, vehicle and motorcyclefittings32 Materials include NBR, ...