Cu
Purity 99.9999% (6N) · CAS 7440-50-8 · Cu
Copper Powder 99.9999%
Six-nines copper powder (Cu ≥ 99.9999%, metals basis) — lot specification and analysis scope confirmed in writing.
Overview
Copper powder at 99.9999% purity (metals basis). Form, particle size range, morphology and packing are discussed case by case and confirmed in writing for your lot, together with the scope of the accompanying analysis.
Purity grades
Each grade corresponds to a different production route and a different impurity budget. Open a grade for its typical trace analysis and applications.
| Grade | Purity | Typical use | |
|---|---|---|---|
| 2N | 99% | Friction materials, brazing pastes, bulk metallurgy | View → |
| 3N | 99.9% | Powder metallurgy, conductive fillers, MIM | View → |
| 4N | 99.99% | Additive manufacturing, conductive inks | View → |
| 5N | 99.999% | Sputtering targets, electroplating chemistry | View → |
| 6N | 99.9999% | Semiconductor interconnect, ultra-high purity PVD | View → |
| 7N | 99.99999% | Research quantities only — zone-refined | View → |
Technical data
| Purity | 99.9999% (metals basis) |
|---|---|
| Particle size | Confirmed per lot, in writing |
| Morphology | Confirmed per lot, in writing |
| Trace limits | Analysis scope confirmed per lot |
| Density | 8.96 g/cm³ |
| Melting point | 1085 °C |
Applications
- ▪Sputtering target and PVD feedstock
- ▪Additive manufacturing (SLM / binder jetting)
- ▪Conductive inks and pastes
- ▪Powder metallurgy and friction materials
- ▪Thermal management composites
- ▪Catalysis and chemical synthesis
Common forms
Form confirmed per inquiry
Buying copper powder?
We supply 2N to 7N copper powder from high-security bonded storage at Zurich Airport — no import duties or VAT while in bond, from a qualification jar to recurring tonnage. Written trade inquiries only.
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