Brown Fused Alunium is fused and crystalized under high temparature from a mixture of bauxite and other raw materials. It is charaterized by its high hardness, good toughness and sharp shape in size. Abrasives tools made of it are suitable for grinding metals of high- tensile strength such as: carbon steel ,general-purpose alloy steel, annealed malleable iron and hard bronze, etc.It also can used as refractory materials.