Copper Nanopowder / Cu NanoparticlesCopper Nanopowder / Cu Nanoparticles Purity: 99.9% (metal basis)Copper Nanopowder / Cu Nanoparticles Color: Dark Brown. Copper Nanopowder / Cu Nanoparticles APS: 40nm (20%<10nm, 50-80% 40nm, 95%<65nm, 1-5% can reach 80nm) Copper Nanopowder / Cu Nanoparticles SSA: 45 m2/g. Copper …