... alumina powder polishing 1. IntroductionAlumina powder is made by high-quality bauxite as main material, fusing and purifying in ... ceramic grinding wheel, resin grinding wheel, Grinding stone, Grinding block, sand paper, sand cloth, sand belt, polish wax, abrasive ... etc..2) Refractory material: Mainly used for abrasion and high temperature resistant, inoxidizable aggregate and filling of shaped and ...