Pure Copper Powder
Copper Alloy Powders · Metal Additive Manufacturing Powder
Pure copper conducts heat and electricity second only to silver at roughly one tenth of the cost, making it the base metal of electronics and thermal management. Powder morphology follows the application: electrolytic dendritic powder compact well for press-and-sinter, spherical atomized powder suits printing and MIM, and flake powder serves conductive pastes. The key AM challenge is copper's low absorption of infrared laser light — LPBF needs high laser power or green-wavelength lasers. Specify the morphology by use case, and check oxygen content (copper oxidizes readily) and particle size distribution.
Typical Applications
Pure Copper Powder - Key Properties
| Chemical composition (wt%) | Cu ≥99.9 · O controlled per application |
| Density | 8.96 g/cm³ (standard typical value) |
| Melting point | 1085°C (standard typical value) |
| Morphologies | Electrolytic dendritic (pressing) · spherical atomized (printing/MIM) · flake (paste) |
| Platform price (CNY/kg) | ~300 (supplier quotes, non-transactional, 30-day delay) |
| Standards | Electrolytic copper powder industry standards · ASTM B216 family; print-grade per buyer-seller spec |
30 product offer(s) — 5 supplier(s)
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Custom size · Foshan Chengfeng Material Technology Co., Ltd. (Foshan, Guangdong)QuotePrice on request
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Custom size · Foshan Chengfeng Material Technology Co., Ltd. (Foshan, Guangdong)QuotePrice on request
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2.5-3.5 · Suzhou Xinghan New Material Technology Co., Ltd. (Suzhou, Jiangsu)QuotePrice on request
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D50=8.2 μm, customizable · Anhui Nash New Material Technology Co., Ltd. (Anhui)QuotePrice on request
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2.0-3.8 · Suzhou Xinghan New Material Technology Co., Ltd. (Suzhou, Jiangsu)QuotePrice on request
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0-25μm · Anhui Dirac New Materials Co., Ltd. (Xuancheng, Anhui)QuotePrice on request
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D50: 5.15 μm, D100=7.62 μm (customizable) · Anhui Nash New Material Technology Co., Ltd. (Anhui)QuotePrice on request
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4.0-5.3 · Suzhou Xinghan New Material Technology Co., Ltd. (Suzhou, Jiangsu)QuotePrice on request
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D50: ≤2.2 μm, D100 ≤4.42 μm (customizable) · Anhui Nash New Material Technology Co., Ltd. (Anhui)QuotePrice on request
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75-150μm · Anhui Dirac New Materials Co., Ltd. (Xuancheng, Anhui)QuotePrice on request
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45-105μm · Anhui Dirac New Materials Co., Ltd. (Xuancheng, Anhui)QuotePrice on request
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D50=1.15 μm, D100=3.22 μm (customizable) · Anhui Nash New Material Technology Co., Ltd. (Anhui)QuotePrice on request
Frequently Asked Questions
Why is pure copper hard to print with a standard fiber laser?
Copper reflects most of the ~1064 nm infrared light, so melting needs either high laser power or a green (515 nm) laser. Confirm your machine's compatibility before buying print-grade powder.
Which powder morphology should I choose?
Dendritic electrolytic powder for press-and-sinter, spherical atomized powder for LPBF/MIM, flake powder for conductive pastes. Buying the wrong morphology wastes material.
What quality checks matter for copper powder?
Oxygen content (copper oxidizes readily and oxides hurt conductivity), particle-size distribution, and for print grade sphericity and flowability.
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