Brown Fused Alumina is fused and crystalized under high temperature from a mixture of bauxite and otherraw materials.It is characterized 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 braze,etc.It also can be used as refractory materials.