Copper based Materials : Copper buttons/Spills, Copper cake, Copper cement, Copper dust, Copper matte, Copper reverts, Copper speiss, etc.
Lead based materials : Bullion, Lead antimony oxides, Lead bismuth oxides, Lead cake, Lead chloride, Lead dust, Lead matte, Lead slag, Lead speiss, Lead sulphate, etc.
Zinc based materials : EAF dust, Waelz Oxide, Zinc cake, Zinc calcine, Zinc dust, Zinc skimmings, etc.
Other metal based materials containing : Cobalt, Molybdenum, Tin, Tungsten, Indium, Selenium, Tellurium, Germanium, Nickel and vanadium.