Complete technical data sheet with print conditions, material properties, and performance specifications.
| Manufacturer | Sunlu | |
| Product Name | TPU Silk | |
| Filament Type | TPU | |
| Finish | Silk |
| Nozzle Temperature | 210-240 °C | |
| Bed Temperature | 50-60 °C | |
| Print Speed | 50-200 mm/s | |
| Cooling Fan | On | |
| Retraction Distance | 0.8-1.2 mm | |
| Retraction Speed | 30-40 mm/s | |
| Build Surface Materials | Textured PEI | |
| Support Material | PVA |
| Tensile strength (X-Y) | 22 MPa ±5 | ISO 527-2 |
| Young's modulus (X-Y) | 190 MPa ±30 | ISO 527-2 |
| Elongation at break (X-Y) | 950 % | ISO 527-2 |
| Notched Izod impact strength (X-Y) | 52 kJ/m² ±4 | ISO 180 |
| Shore hardness | 97.5 A | ISO 868 |
| Decomposition temperature (5 % weight loss) | 300 °C | ISO 11358 |
| Melt mass-flow rate | 8.3 g/10 min ±2 | ISO 1133 |
| Density | 1.21 g/cm³ | ISO 1183 |
| Flammability (UL 94) | HB | Data Sheet |
| Weak acids (pH 3-6) | Poor | Data Sheet |
| Strong acids (pH <3) | Poor | Data Sheet |
| Weak bases (pH 8-10) | Good | Data Sheet |
| Strong bases (pH >10) | Good | Data Sheet |
| Deionized water | Excellent | Data Sheet |
| Alcohol (ethanol) | Good | Data Sheet |
| Ketone (acetone) | Poor | Data Sheet |
| Petroleum fuels | Good | Data Sheet |
| Ester | Fair | Data Sheet |
| Technical Data Sheet | View Data Sheet | Version A/1 · 2026-03 |
| Safety Data Sheet | View Safety Sheet | Version 5.2 · 2023-10-19 |
| TPU Silk on sunlu.com | Open link |