Old/heavy copper is oxidised or slightly contaminated (e.g. soldered joints, cable lugs, paint adhesion) copper that has already been used. Heat exchangers or other copper parts with coarse adhesions such as brass are not included.
- Enamelled copper wire
- old copper gutters
- oxidised or tarnished copper pipes, copper sheets, copper scrap, copper chips
- Copper with foreign materials such as paint, solder, cable lugs, etc.
- Copper chips with at least 95 % Cu
- tin-plated copper