... Elastic stiffness, Strong plasticity under the high hardness, moderate grain force, high roughness, low cardamine.Good wear resistance, long using period. ... rubber roller, with its light weight, high concentricity, the wear-resisting performance is good. It makes the machine to reduce ... Hardness Shore A90-95degree BrandRoaring Lion, QiaoWang,Yashi,OEM High Quality Rice Paddy Machine Rubber Roller