... , Strong plasticity under the high hardness, moderate grain force, high roughness, low cardamine.Good wear resistance, long ... bran, clean, bright white grain of rice, pure color quality. Series of Products of Hulling Rubber rollersNumberItemSizeDrumColor1SBR14’Cast IronBrown2SBR14’Cast ... rubber is the main part of rice huller machine, because of speed difference of veer and reversion between two ...