06/06/2026
Copper Millberry (often written as Millberry Copper Scrap) is a premium grade of copper wire scrap known for its very high purity, typically around 99.9–99.99% copper. It consists of clean, bare, uncoated, unalloyed copper wire that is free from insulation, paint, oil, and other contaminants
High copper purity (usually 99.9%+)
Bright, shiny bare copper wire
No insulation, coatings, or excessive oxidation
Excellent electrical and thermal conductivity
Highly valued by recyclers and metal refiners
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