... Zinc Abrasive Shot Round 1, Largest manufacturer of metal abrasive in China 2, Life: more than 6000 times 3, High efficiency Zinc ... CompositionZn≥99%Microhardness45~50HVTensile Intensity90~120MpaDurability6000 TimesMicrostructureDeformed αDensity7.1g/cm3Bulk Density4.1g/cm3 It is used for removing oxidation skin, ... 0.5,0.6,0.8,1.0,1.2,1.4,1.5,1.6,1.8,2.0,2.5,3.0)Aluminum shot/Copper shot/ Zinc ...