3DXTech FibreX™ PEEK GF20 1.75mm 500g

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

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FibreX™ 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)

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