Black Silicon Carbide is made by a precision water classification process and air flow classification using material that is produced from the reaction between high purity silica sand and petrole

Green Silicon Carbide is an extremely hard (Knoop 2600 or Mohs 9.4) man made mineral that possesses high thermal conductivity (100 W/m-K). It also has high strength at elevated temperatures (at 1

White fused alumina(WFA) in arc furnace with high grade processed alumina as raw materials. It has higher hardness and slight lower toughness comparing with brown fused alumina. It is also characteriz

Boron carbide is a synthetic superhard material, and is one of the hardest artificial abrasive. The appearance of gray-black powder crystal, hardness only to diamond, Mohs hardness 9.36, microhardness