1.0 Gm/cc Density Copper Powder is produced by electrolytic deposition from pure copper cathodes. The Copper Powder is offered in two grades such as sub-micron and Nano grades. Copper Powder is available in 1.0 Gm/cc density and -400 mesh, -500 mesh, 10 microns, 5 microns, 3 microns, 1 micron and sub-micron ranges. 1.0 Gm/cc Density Copper Powder is stabilized against oxidation and has a normal shelf life varying from 3 to 6 months.