Rice Mill Sand Roller, Emery Roller, Whitener .
Emery roller (Sand Roller) is a porous mixture sintered by abrasive (main component is black sic) and resin-bonded (mainly phenolic resin or epoxy resin) in high temperature of 180°C. Because of its low sintering temperature, loose organization structure, grits fall easily, good self sharpness. It can continuously produce more angular grits, strengthen rice grinding function.
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