Copper shot is used for removing oxidation skin, burr, eliminating surface defect, removing stress, and etching, unknot, strengthen, prevention rust before painting of metal die-casting, precision casting, hardware tool, machinery manufacturing, automobile spare parts, apparatus, and pump valve industry. Technological index of copper shot: Types: 0.3~2.5mm Chemical Composition: Cu 58~99% Micro Hardness: 110~300HV Durability: 5000 times Microstructureú¦ Deformed or+ Density: 8.9g/cm3. Braided bag packing, flexible container packing, stock packing, paper bag packing, barrel packing.