... fused alumina is made of high quality bauxite as main material,widely used in refractory industry. Sizes:0-1,1-3mm ... Fused Alumina is made by high quality bauxite as main material, fusing and purifying in a pouring electric arc furnace at ... -5mm,5-8mm,200mesh,325mesh Applications:1.Coated and bonded abrasive tools2.Lapping and polishing processes3.Sandblasting4.Producing mold of precision ...