Filaflex Conductive
Filaflex Conductive
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Filaflex Conductive is a Shore 92A TPU loaded to conduct electricity. It allows soft, conductive parts to be printed in a single material: flexible circuits, pressure-sensitive buttons, touchpads, joysticks or interfaces for Arduino-type boards, as well as elements printed directly onto textiles.
Recreus intends it for low-current applications. The electrical resistance of the part depends on the printing parameters, which allows it to be adjusted without changing material.
Processing
The manufacturer specifies 250 °C with 0.4 mm and 0.6 mm nozzles, up to 255 °C with 1.0 mm, with a volumetric flow of 4.0 mm³/s at 0.4 mm. Like any TPU, the strand stretches as it leaves the nozzle: flow and temperature are adjusted to ensure electrical continuity between walls and perimeters. Retraction stays short, 1.5 to 2.0 mm at 20 mm/s.
No hardened nozzle is required. Recreus recommends purging the nozzle with PETG after use and drying the spool at 55 °C for one hour before printing.
Technical specifications
| Material | Conductive TPU |
|---|---|
| Hardness | Shore 92A |
| Colour | Black |
| Diameter | 1.75 mm or 2.85 mm |
| Packaging | 500 g |
| Nozzle temperature | 250 to 255 °C depending on nozzle diameter |
| Volumetric flow | 4.0 mm³/s with a 0.4 mm nozzle to 25.0 mm³/s with a 1.0 mm nozzle |
| Bed temperature | Room temperature for small parts, 50 to 55 °C for large parts |
| Retraction | 1.5 to 2.0 mm at 20 mm/s, Z-hop 0.2 mm |
| Part cooling | 0 %, 40 % on layers shorter than 10 s |
| Drying | 55 °C, 1 h minimum |
Compatibility
- FDM printers, preferably with a direct drive extruder
- Standard brass nozzle, no hardened nozzle required
- Recreus profiles for PrusaSlicer and Bambu Studio
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