There are several grades of scrap copper. The highest value is No. 1 heavy scrap, which is clean, uncoated and unalloyed copper, while the lowest is in the form of copper – aluminum radiators.
By Rick LeBlanc, About.com Guide
There are several grades of scrap copper. The highest value is No. 1 heavy scrap, which is clean, uncoated and unalloyed copper, while the lowest is in the form of copper – aluminum radiators.