99.999 Ultrafine copper powder

Ultrafine copper powder presents no oxygen copper of stable natural isotope composition, it has a red-orange color and a powdered structure. Chemical structure is 99.999%. The particle form is spherical. The main size of particle is 40 micrometers. Copper powder of this type isn’t toxic. It can be used for 3D printers and also in engineering, chemical and aircraft  industry.