... is manufactured by the fusion of controlled quality pure grade Bayer Alumina in an electric arc furnace at temperatures greater than 2000 ... manufacture of high purity Alumina refractories. Other applications include use in Coated Abrasives, Surface treatment, Ceramic Tiles, Anti-Skid Paints, ... -1, 1-3, 3-5,5-8Finesmesh-200, 325Grit(F grade and P grade)FEPA16, 24, 46, 100,180,220 White Fused Alumina