... its light weight, high concentricity, the wear-resisting performance is good. It makes the machine to reduce the load vibration, and ... the high hardness, moderate grain force, high roughness, low cardamine.Good wear resistance, long using period. trong temperature, no climate impact ... , white, amberHardness Shore A90-95degreeBrandRoaring Lion, QiaoWang,Yashi,OEM rubber roll on cast iron drum for rice