... a green, friable, medium bulk density silicon carbide abrasive grain. To get this kind of grains, we specially process the ingots, separate ... area, such as making vitrified bonded grinding wheels, resin bonded tools, to process cast iron, hard alloy, tatium alloy and high ... speed steel. As loose grains, it is widely used for polishing none-metal material like ceramic, glass, stone, agates, jades ...