... and drum;High shelling efficiency up to 95%;The SBR and NBR rice huller rubber roller can be options.Elastic stiffness, ... Strong plasticity under the high hardness, moderate grain force, high roughness, low cardamine.Good wear ... amber Hardness Shore A90-95degree BrandRoaring Lion, QiaoWang,Yashi,OEM High Quality Rice Paddy Machine Rubber Roller