3DXTech ThermaX PEEK GF20 1.75mm 500g

High-performance PEEK filament reinforced with 20% glass fibre, ThermaX PEEK GF20 has outstanding thermal, mechanical and chemical resistance, with improved dimensional stability. Manufactured in the USA by 3DXTech.

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ThermaX PEEK GF20 is reinforced with 20% glass fibre to add improved dimensional stability, low-warp and stiffness to its already exceptional mechanical properties. Featuring excellent mechanical, thermal and chemical resistance, this filament is well-suited for many industrial applications, particularly within the automotive and aerospace industry.

Key Features:

  • Thermal resistance up to 300°C
  • Glass Transition Temp (Tg) of 143°C
  • Heat Distortion Temp (HDT @ 1.8MPa) of 300°C
  • Melt Temp (Tm) of 343°C
  • Inherent flame resistance (UL94 V-0)
  • Excellent mechanical, thermal, and chemical resistance
  • Excellent chemical resistance
  • Continuous Use Temperature of 260°C

Guideline Print Settings

Nozzle TemperatureBuild Plate TemperatureHeated Build ChamberBed AdhesionPrint Speed
375-410°C 130-145°C 70-140°C PEI Tape or Glue applied to glass 10-50mm/s at 0.2mm layer height

Due to abrasive fibres present in this filament, it is strongly recommended to use hardened nozzles when printing, to reduce wear.


Data sheet

Filament Diameter (mm)

Specific References

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