We are offering copper cathodes.Specificationscopper cathodes grade a 99. 99% cu 2 m x 1 m x 12 mm-lme standard (electrolytic process) other matecopper cathodes grade a 99. 99% cu 2 m x 1 m x 12 mm-lme standard (electrolytic process) other material (not exceeding.01% of total) sulfur (s) 4cobalt (co) 0. 2 iron (fe) 2arsenic (as) 0. 1silver (ag)10bismuth (bi) 0. 1lead (pb) 0. 2 manganese (mn) 0. 1nickel (ni) 0. 2tellurium (te) 0. 05 selenium (se) 0. 3aluminum (al) 0. 5antimony (sb) 0. 1 magnesium (mg) 0. 4silica(si) 0. 3zinc (zn) 0. 4 and we like to inform you that we sell our copper cathode in metric tons(mt) not in kilograms