... options.Elastic stiffness, Strong plasticity under the high hardness, moderate grain force, high roughness, low cardamine.Good wear resistance, long using ... .Health and non-toxic, no pollution to rice and bran, clean, bright white grain of rice, pure color quality.NBR roller is the ... A90-95degreeBrandRoaring Lion, QiaoWang,Yashi,OEM cast drum,aluminum drum,rice processing machine rubber roll