SLS flexible. shore 90–95A. footwear, medical, sports. €120/kg.
When you need complex flexible geometries: midsoles for shoes (lattice structures), seals with complex geometry, medical orthotics. SLS prints without supports: something impossible for filament TPU.
| Formula | urethane block copolymer |
|---|---|
| Density | 1.2 g/cm³ |
| Tg (glass transition) | -30°C |
| Nozzle temp | 0–0°C |
| Bed temp | 0–0°C |
| Enclosure | industrial SLS/MJF chamber |
| Difficulty | ★★★★★: expert |
Engineer, author of The Big Book of 3D Printing and additive manufacturing expert
| Formula | urethane block copolymer |
|---|---|
| Density (g/cm³) | 1.2 |
| Tg (°C) | -30 |
| Print ease (0-10) | 2 |
| Tensile (0-10) | 5 |
| Flexibility (0-10) | 9 |
| Impact resistance (0-10) | 9 |
| Heat resistance (0-10) | 4 |
| UV resistance (0-10) | 5 |
| Chemical resistance (0-10) | 6 |
| Cost (0-10) | 2 |
| Safety (0-10) | 5 |
| Finishing (0-10) | 7 |
| Bed adhesion (0-10) | 8 |
| Accuracy (0-10) | 7 |
| Property | TPU Powder | PA11 (Bio-Nylon) | PA12 (Nylon 12) | PEBA Powder |
|---|---|---|---|---|
| Print ease | 2 | 3 | 3 | 2 |
| Tensile | 5 | 7 | 8 | 5 |
| Flexibility | 9 | 8 | 6 | 9 |
| Impact resistance | 9 | 10 | 8 | 8 |
| Heat resistance | 4 | 5 | 5 | 3 |
| UV resistance | 5 | 6 | 5 | 5 |
| Chemical resistance | 6 | 7 | 7 | 5 |
| Cost | 2 | 2 | 3 | 2 |
| Safety | 5 | 7 | 6 | 5 |
| Finishing | 7 | 8 | 7 | 7 |
| Bed adhesion | 8 | 9 | 9 | 8 |
| Accuracy | 7 | 8 | 8 | 7 |
Compatible printers: 59