The Copper No. 3 category includes copper with visible tarnish, paint, or solder, and it may have some corrosion or adhesive residue. Copper No. 3 typically originates from architectural and industrial applications where appearance and purity are less critical.
While Copper No. 3 contains impurities or coatings, it remains a valuable resource for recycling due to its copper content.
Although it offers a lower return compared to higher grades, recycling Copper No. 3 contributes to resource conservation and supports the circular economy. Its adaptability makes it a useful input for various manufacturing and industrial processes.
