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Metal Economy - Grades of Metal
Recycling Metal
The most common non-ferrous recyclable metal extracted from the daily waste stream is aluminum cans. Aluminum is one of the best recyclable materials to return to the manufacturing supply-chain because it requires a minimum amount of energy to re-melt and add to the mix. Almost one third of all aluminum products manufactured in North America are made from recycled aluminum.
Unlike paper, which has seven recyclable lives before completely decomposing, aluminum has an indefinite recyclable life-cycle. By extracting it from the waste stream for recycling, Metropolitan processes aluminum for re-entry into the supply chain, to be used in everything from cookware to aircraft.