rubber disk 1.material:CR,SBR ,EPDM.CR, ... .hardness:60-75A 4 any details can be advised rubber productusing: mainly used to seal oil and water proof ... anti-vibration articles, rubber water stop, fender, rubber sheett, conveyor belt, rubber roller, rubber products with anticorrosive liner, special rubber products, rubber pad of sleeper for ... according to customer’s drawing and demands. rubber disk