... stiffness, Strong plasticity under the high hardness, moderate grain force, high roughness, low cardamine.Good wear resistance ... , bright white grain of rice, pure color quality.Products technical indicators:Tensile strength: Mpa/2mm 25 ... up by two rubber rollers, in the end, rice grains come out.NBR roller is the ... BrandRoaring Lion, QiaoWang,Yashi,OEM High Quality Rice Paddy Machine Rubber Roller