| Item | Standard | Unit |
| Cu | ≥ 99.99 | % |
| As | ≤ 0.0015 | % |
| Sb | ≤ 0.0015 | % |
| Bi | ≤ 0.0005 | % |
| Fe | ≤ 0.0025 | % |
| Pb | ≤ 0.002 | % |
| Sn | ≤ 0.001 | % |
| Ni | ≤ 0.002 | % |
| Zn | ≤ 0.002 | % |
| S | ≤ 0.0025 | % |
| P | ≤ 0.001 | % |
Usage: Electric light industry, machinery manufacturing, Building industry ,defense industry, and other fields Manufacturing industrial .valves and fittings, Instrument sliding bearing.(EL)
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