Quality: chemical purity: 99.999%+/- 0.001% (by the difference between 100% and the sum of controlled impurities Mg,Al,Ti,Fe,Ni,Zn,Mo,Cd,Sb). Particle size: 5-10 microns; Isotopic composition: Cu63-69.09%; Cu65-30.91%; Quantity: from 10,000 to 50,000 kg per month or more. Packing: vacuum plastic bags in metal containers of 50, 100 kg. The warehouse stock is 600 kg in PET of 2 kg. The warehouse stock is 600 kg in PET of 2 kg.