1.30-320# 2.Cleaning mold, shot-peening non-metal parts, ground process before painting, gluing and plating. 3.sandblast medi Application:Cleaning mold, shot-peening non-metal parts, ground process before painting, gluing and plating. Removing scales, decorate working, strengthen the hardness of mold, de-burring of non-metal & soft metal parts. De-burring of IC.LSI semiconductor parts, electronic ...