Brown Fused alumina is bauxite, coke, anthracite as main raw materials, made more than 2000 degrees high temperature melting, hitches in arc through the mill grinding, plastic, magnetic separation to iron, screen is divided into a variety of particle size, dense texture, high hardness, particle formed globular.High consolidation is suitable for making ceramic, resin abrasive and grinding, polishing, sandblasting, precision casting, etc., can also be used for manufacturing advanced refractories