Product Standards: Our products have met international standard of SAE and have established the quality controlling system of ISO9000. Application: 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. Specification: 0.6~2.5mm Chemical Composition Cu:58-99% other is Zn Microhardness 110 to 300HV Tensile Intensity :200-500Mpa Durability:5000times Density: 8.9g/ cm3 Bulk Density:5.1g/ cm3 Packing Types: Braided bag packing: 25kg/bag,40 bags/pallet, flexible container packing:1000kg/bag, stock packing, paper bag packing:25kg/bag,40bags/pallet,with paper bag barrel packing:900kg/barrel.