... widely used as a raw material in refractories, ceramics shapes, grinding wheels, sandpaper, blasting media, metal preparation, laminates, coatings, lapping, polishing ... separation in temperature above 2200Application: Resin ceramic abrasive, sand blasting, grinding and polishing, and is widely used in anti-wear runways ... ≤1.5≤2.5≤0.02W1#-63#≥92.5≤0.4≤1.8≤3 brown fused alumina/brown fused aluminum oxide ...