... with high efficiency, low rate of broken rice;Aluminium drum rubber roller, with its light weight, high concentricity, the wear-resisting ... to reduce the load vibration, and to increase the rubber roller's life.Rubber Roller Character:Hardness is 90 ~95 degrees;Excellent ... in heat and abrasion resistance;Offering very strong bonding between rubber and drum;High shelling efficiency up to 95%;The SBR ...