brown aluminum oxide 1.For abrasives and sandblasting 2.High Hardness 3 high purity 4.free ... from high quality bauxite by fusing in a tilt-pour or fixed electric arc furnace, processed with cone crusher and barmac ... shapes, grinding wheels, sandpaper, blasting media, metal preparation, laminates, coatings, lapping, polishing, grinding and hundreds of other applications.3.Specification: Brown ...