NinjaFlex® is a thermoplastic polyurethane (TPU) and is as similar as you can get to regular rubber in 3d printing. With an elasticity of 65%, it is used for soft parts of grippers, flexible covers for mechanical joints, and for all types of prototypes where rubber-like properties are desired. NinjaFlex® has very good adhesion between layers which makes it a strong material in all directions. The surface structure is rough and the richness of detail is low.
- The most flexible of all our materials
- Rubbery
- Only works for low complexity details
- Used for final products and functional prototypes
| Material data | Unit | Value |
|---|---|---|
| Tensile strength | MPa | 26 |
| E-module | MPa | 12 |
| Izod impact strength (23°C) | kJ/m² | 4.2 |
| Elongation at break | % | 660 |
| Elongation during plasticization | % | 65 |
| Shore A Hardness | – | 85 |
| Density | g/dm³ | 1190 |
| Heat resistance temperature (0.45 MPa) | °C | 44 |
Values above are approximate and actual values may vary.

