Quality Grade Copper Purity (%) Standard Specifications Appearance Applications
Premium A-Grade 99.99% Pure Copper ASTM B115, LME Grade A Smooth, bright reddish surface Electrical wiring, electronics, power generation
High Grade Standard 99.97% Pure Copper Complies with ISO standards Shiny, high-quality finish Industrial applications, construction, plumbing
Commercial Grade 99.95% Pure Copper Meets IEC 60332-3-24 Clean, uniform surface Alloy production, manufacturing, automotive parts
Recycling Grade 99.90% Pure Copper Non-LME Standard Visibly recycled, durable Secondary uses, cable production, general industrial
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