Electrolytic copper powder is obtained as a result of cathodic precipitation in the process of electrolysis of copper sulphate water solutions. Powder particles have dendritic shape. The product is used, among others, in powder metallurgy for production of sintered machine parts and construction elements, and in chemical industry.
| Chemical composition | |||||||
| Powder grade | Composition [%] | Moisture Max. [%] | |||||
| Cu Min. | Impurities Max. | ||||||
| Pb | Fe | O2 | SO42- | Insoluble residue in NHO3 | |||
| ECu1 | 99,5 | 0,05 | 0,02 | 0,3 | 0,01 | 0,05 | 0,05 |
| Grain composition and bulk density | |||||||
| Powder modification | Grain classes [mm] | Bulk density [g/cm3] | |||||
| 0÷0,040 | 0÷0,063 | 0÷0,102 | 0÷0,160 | 0÷0,250 | 0÷0,320 | ||
| Fractions [%] | |||||||
| 0,040 | Min. 95 | 100 | - | - | - | - | 1,1 - 1,5 |
| 0,063 | 80 ÷ 95 | Min. 99 | 100 | - | - | - | 1,3 - 1,6 |
| 0,102 | Min. 30 | Min. 60 | Min. 99 | 100 | - | - | 1,5 - 1,7 |
| 0,160 | Max. 25 | Max. 50 | Min. 80 | Min. 95 | 100 | - | 2,0 - 3,0 |
| 0,250 | - | Max. 5 | - | Max. 20 | Min. 95 | 100 | Max. 3,5 |
Powder of different technical parameters may be produced at customer's request.
Copper powder is packed into air-tight, galvanized steel containers with active silica gel liner. Net weight of powder in unit package is max 100 kg.
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