What is TPU filament?
TPU (Thermoplastic Polyurethane) is a flexible filament - rubbery, elastic like silicone. Ideal for gaskets, straps, phone cases, dampers. Requires a direct drive extruder.
TPU properties
TPU is measured by Shore hardness: 85A (very soft), 95A (standard), 98A (stiffer). Determines whether the product flexes like silicone or springs like hard rubber.
Printing parameters
- Nozzle: 220-240 °C
- Bed: 40-50 °C
- Speed: 20-40 mm/s (slower)
- Retraction: minimal
- Extruder: ideally direct drive
Use
Phone cases, anti-slip feet, gaskets, watch straps, RC car wheels, bumpers, shoe lace hooks.
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