... ,Manufacturer 2,High purity-alumina 3,Hotsale overseas Brown Fused AluminaIt is a product manufactured by gradual melting reduction ... amounts of TiO2, SiO2, Fe2O3, CaO and MgO.Brown Aluminum Oxide is characterized by good toughness, high mechanical ... for steel processing, production of abrasive papers and clothes, in fireproof and ceramic industry, in sand-blast processing. Brown Fused Alumina for ...