:

:,.(High hardness and toughness.)

: ,\\\.(It is suitable for grinding medium and high tensile strength metal such as ordinary carbon steel, alloy steels, malleable cast iron, hard bronze, etc.  

Brown Aluminum Oxide is fused in an electrical arc furnace from a mixture of bauxite, coal, scrap iron at high temperature. The appearance is brown color. It has high hardness and great toughness. The tools made of brown aluminum oxide are suitable for refractory aluminum oxide lining mixture, pouring materials, castable and refractory brick, etc.