Henan Hong Feng Imp. & Exp. Co., Ltd. [China]

Color:Brown True Density:3.90g/cm3 Mohs Hardness:9.0

   It is fused  in an electric -arc furnace by high temperature.Its  main raw material are bauxite anthracite.The micro hardness is 1800-2200kg/mm2.The degree of refractory is  more than 1850.

Brown Fused Alumina