... ; 2).Very low amount of iron oxide, suitable for non-ferrous blasting operations. 3).Competitive price. White fused alumina ... ; 2).Very low amount of iron oxide, suitable for non-ferrous blasting operations. 3).Competitive and reasonable price. Applications:White ... lapping, polishing, refractory coating for investment cast shells, decorative non-skid tile, and pressure blasting. It is used where a high ...