... plasticity under the high hardness, moderate grain force, high roughness, low cardamine.Good wear resistance, long using period. trong temperature, no climate ... ’t make the machine work for a long time, in case effect the hulling capacity.The surrounding temperature is better under ... amber Hardness Shore A90-95degree BrandRoaring Lion, QiaoWang,Yashi,OEM High Quality Rice Paddy Machine Rubber Roller