... Brown fused alumina is widely used as a raw material in refractories, ceramics shapes, grinding wheels, sandpaper ... whale refractory Co.,LTD John duan Brown fused alumina use high-quality bauxite as main raw material, ... separation in temperature above 2200Application: Resin ceramic abrasive, sand blasting, grinding and polishing, and is widely used ... alumina/brown fused aluminum oxide/refractory material