Model Number: Bismuth Ingot Key Specifications/Special Features: See table below: CommoditySpecificationsBi min Cu max Pb max Zn max Fe max Ag max As max Te max Sb max Cl max 1st grade 99.99% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 2nd grade 99.99% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% Packing rectangular-shaped ingot, about 16Kg/ingot, in fiber board case of 1000kg net each Uses medicine, electronics, chemical, alloy, and metallurgical additive & more Remarks if you will have the requirements about specifications, please don't hesitate to contact us so as to study it and meet your demands