... bauxite as main material, fusing and purifying in a pouring electric arc furnace at a temperature of over 2200 celcius degree, and ... -1mm,1-3mm,3-5mm,5-8mm,200mesh,325meshOther special specification could be supplied as required. Applications:1.Coated and bonded ... including low cement castables,plastics,bricks etc. Brown fused alumina / A for Abrasives and Refractory