superfine copper powder 1.factory-outlet 2.Military enterprise 3.Production capacity:5000 ton/month 4. ISO9001 superfine copper powder name of productpurityparticle sizeloose densitychemical compositionuseultra-fine copper powderCu:99.7%-1000mesh1.2g/cm3Cu:99.7%,O:0.2%,S:0.004%,Fe:0.02% Lubrication materials, electronic pastes, activation sintering additive,high efficient catalyst name of ...