Sizes in mm : 0.8mm --5.0mm Else customized Grain shape: cylindrical Chemical composition: Cu ≥ 99.95% Bi ≤ 0.0003% As Sb ≤0.0015% Pb ≤0.0005% S ≤0.0015% Fe ≤0.001% Ag ≤0.0025% Technical index: Hardness: 180-205HV Density: 8.6 g/cm?