Heavy Copper (Burnt Oxidised Dull Copper Wires)

Heavy Copper (Burnt Oxidised Dull Copper Wires)

Fill a pot with water, then add a cup of white vinegar and a tablespoon of salt. Mix thoroughly until the salt is dissolved. The mixture of vinegar and salt produces a mild acid that can dissolve copper oxide.

Explains Oxidized CopperSimilarly, when exposed to the atmosphere, copper will oxidize due to a reaction with oxygen and liquid water or moisture in the air. The characteristic red outer layer (rust) that forms when iron corrodes is caused by oxidation. Heavy Copper Heavy Copper is defined as having layers of copper weighing more than 3 Ounces. It can often be found on things like circuit boards. It must consist of a minimum of 98% Copper. It is a lot heavier and more subsantial than its other Copper counterparts, and has a variety of uses.

Greasy Bright Copper is very similar to Dry Bright Copper, it is slightly less valuable. Usually sourced from old underground power cable, greasy bright copper often has traces of lead on it.