Green Silicon Carbide is green and features high hardness and strong cutting force， steady chemical property， good capability of heat-transmission. The knoop hardness is 3280-3400kg/mm2. I It can be used for making boned or coated abrasive tools， free grinding and polishing. It can also polish the nonmental materials， such as glass， ceramics， stones， agates and jades， as well as making high quality refractory materials， heating elements， heat energy elements， etc.