... sale overseas 4) Passed ISO9001:2000 fused aluminum oxide grit1. IntroductionBrown fused alumina is made by high ... resinoid gringding wheel, Grinding stone, Gringing block, sand paper, sand cloth, sand belt, polish wax, abrasive paste ... workpieces to decontaminate, derusting, prevent corrosion, remove oxide skin etc..4) Abrasion resistance ground: Mainly ... casting in coating. fused aluminum oxide grit