Copper reddish transition metal with metallic luster. For its correct reception, it must be free of impurities; It can be received in the form of fine wire, thick wire, bars, plates, etc. The price per kilo of copper depends on the metals market, among other factors. Pollutants: Radiator, cloth, PVC, paper and polyurethane lining, incorrectly burned, pipes with aluminum core, wet, tinned or water heater, earth, hydrobronz (copper with bronze) etc.