Zinc concentrate
Element. Percent. Pb(ave). 0.0145 Fe (ave). 0.0010 Cu (ave). 0.0018 Cd (ave). 0.0018 Zn (min). 99.98
(Zn-66 isotope of natural composition). Chemical purity: 99.995% - 99.999%, average particle size 3-5 microns. Quantity: up to 3000 kg per month, in batches from 50 kg.