Special polymer solid boron carbide abrasive as the main raw material into other substances Jiang mixture,according to the thickness of abrasive materials and surface roughness of the workpiece,the abrasive has very sharp cutting and self sharpening,and many non metals(glass,ceramics)and some non metal(zinc,steeland alloy material is not a chemical reaction),applicable to the processing of glass,ceramic,stone,iron and some non metal.Hard alloy,high speed steel,etc.