Model Number: Indium Ingot 4N Key Specifications/Special Features: See table below: CommodityIndium IngotSpecificationInmin Cu max Pb max Zn max Cd max Fe max Ti max Sn max As max Al max 1^st grade 99.995% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 2^nd grade 99.99% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% Packing about 0.4-0.5kg/ingot, inside plastic bag, in plywood case of 20kg net each Uses transparency electrode, solder for semiconductors and electronics, low-molten alloy, high-performance engine, radiation detector 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