... or aluminum drum. The rice rubber roller works steadily with high efficiency, low rate of broken rice;Rubber Roller Character:Hardness is ... 2nd generation of rice huller rubber roller, is adopted 100% NBR rubber materials, the original color is Amber with innocuity, and ... more than SBR roller at least.Aluminium drum rubber roller, with its light weight, high concentricity, the wear-resisting performance ...