8-5-3-1-0mm casting sand brown aluminum oxide

Casting sand brown aluminum oxide is made of bauxite, anthracite coal, and smelted in electric-arc furnace of high temperature more than 2000 degrees. Suitable for product high consolidation abrasive, and suitable for grinding, polishing, blasting, precision casting etc. casting sand brown aluminum oxide is also used for refractory material. casting sand brown aluminum oxide for refractory material with characteristics like: high purity, good crystalline liquidity, low coefficient of linear expansion, corrosion resistance, high temperature, high strength.