Copper scrap is how classification

According to content classification, this is the most concern for the recycling industry, higher profits will be high copper content.
The first category: no. 1 copper scrap
According to the existing content classification standard of copper scrap, copper scrap 1 standard is copper content is more than 99%, and the diameter or thickness of at least 1.6 mm copper scrap. Such as: cable chip, chip cut, punching, etc are no. 1 copper scrap.
The second category: # 2 copper scrap
This kind of copper scrap requires at least content is 96% copper scrap. Also often take the form of line, clastic, nodules, etc. Copper scrap copper content is slightly lower than 1.
The third type of low copper
As the name implies, slightly low copper scrap, copper content is roughly 92% or higher copper content, usually by severe oxidation of pure copper products, etc
The fourth class refining brass products
The classification of copper content is less, recycling the difficulty. Mostly for the copper content of 61.3% or more mixed alloy copper scrap, and no other restrictions.