pure copper. electrical conductivity, heat exchange, induction coils. €350–500/kg.
When conductivity is the goal: heat sinks for high-power electronics, induction coils for heating, RF antennas, EV motor windings. CNC-machined complex copper parts impossible: DMLS internal channels.
| Formula | Cu (>99.5%) |
|---|---|
| Density | 8.96 g/cm³ |
| Tg (glass transition) | 1085°C |
| Nozzle temp | 0–0°C |
| Bed temp | 0–0°C |
| Enclosure | DMLS/SLM chamber with argon atmosphere |
| Difficulty | ★★★★★: expert (industrial) |
Engineer, author of The Big Book of 3D Printing and additive manufacturing expert
| Formula | Cu (>99.5%) |
|---|---|
| Density (g/cm³) | 8.96 |
| Tg (°C) | 1085 |
| Print ease (0-10) | 1 |
| Tensile (0-10) | 5 |
| Flexibility (0-10) | 6 |
| Impact resistance (0-10) | 6 |
| Heat resistance (0-10) | 5 |
| UV resistance (0-10) | 10 |
| Chemical resistance (0-10) | 5 |
| Cost (0-10) | 1 |
| Safety (0-10) | 4 |
| Finishing (0-10) | 8 |
| Bed adhesion (0-10) | 7 |
| Accuracy (0-10) | 9 |
| Density (rule) | 9.219 g/cm3 |
| Property | Copper (Cu) | AlSi10Mg | CoCr (Cobalt-Chrome) | Inconel 718 |
|---|---|---|---|---|
| Print ease | 1 | 1 | 1 | 1 |
| Tensile | 5 | 7 | 9 | 10 |
| Flexibility | 6 | 5 | 3 | 3 |
| Impact resistance | 6 | 5 | 7 | 8 |
| Heat resistance | 5 | 7 | 7 | 10 |
| UV resistance | 10 | 10 | 10 | 10 |
| Chemical resistance | 5 | 6 | 9 | 9 |
| Cost | 1 | 1 | 1 | 1 |
| Safety | 4 | 3 | 4 | 4 |
| Finishing | 8 | 8 | 8 | 7 |
| Bed adhesion | 7 | 9 | 9 | 8 |
| Accuracy | 9 | 9 | 10 | 9 |
Compatible printers: 55