... rubber roller can be options.6. NBR roller is the 2nd generation of rice huller rubber roller, is adopted 100% NBR ... concentricity, the wear-resisting performance is good. It makes the machine to reduce the load vibration, and to increase the rubber ... Shore A90-95degree BrandRoaring Lion,Qiao Wang,Yashi,OEM Rice milling machine SBR/NBR rubber roller