white aluminum oxide grits #14-#220 mesh White aluminum oxide is produced by fusing alumina block in an electric arc furnace under carefully controlled conditions. The material produced is white in color, dense and has predominantly large crystals of Alpha Alumina. Sizes: #8, #10, #12,#14,#16,#20,#22,#24,#30,#36,#40,#46,#54, #60,#70,#80,#90,#100,#120,#150,#180,#220, #240,#320,#400,#600,#800 Usages ...