PEEK – ThermaX™




ThermaX™ PEEK (PolyEtherEtherKetone) is one of the highest-performance polymers in world. PEEK has exceptional mechanical, thermal, and chemical resistance properties making it a go-to material in some of the most demanding applications.

Print ThermaX™ PEEK parts with Funmat HT Enchanced High-Temp 3D Printer.

Product Attributes Include:

  • Glass Transition Temp (Tg) of 143°C
  • Melt Temp (Tm) of 343°C
  • Inherent flame resistance (UL94 V-0)
  • Outstanding mechanical, thermal, and chemical resistance
  • Continuous Use Temperature (CUT) of 260°C, higher for short duration
  • Excellent resistance to a broad range of chemicals, such as those used in the oil/gas, automotive, aerospace, industrial, and chemical processing industries

Filament Specifications:

  • Diameter: 1.75mm (+/- 0.05mm)
  • Colors: Natural/Tan
  • Larger reel quantities available upon request

Recommended Print Conditions:

  • Extruder Temp: 375 – 410°C
  • Bed Temp: 130 – 145°C
  • Bed Prep: Nano Polymer Adhesive gives us the best results.
  • Enclosure temp (if your printer is equipped):  70 – 140°C [hotter is better, up to 140°C]
  • Print Speed: 10-50 mm/s for 0.2mm layer height, fast as results dictate
  • Supports: ThermaX HTS High-Temp Support is specially designed to work with complex, high-temp materials like this.
  • Drying Instructions: Please see our drying instructions for when you want to dry out this filament.


Recommended Printing Experience

Novice:  A beginner using an entry-level 3D printer should have minimal problems using this material
Intermediate:  User has several months of experience with a moderate to high quality printer
Advanced:  User has > 1 year of printing experience and is using a high quality commercial printer
Expert:  User has significant amount of experience and is using a high-performance or heavily modified printer

These categories are somewhat arbitrary, but come from many years of our own printing experience as well as troubleshooting with customers.

Additional information

Weight .454 kg
Dimensions 33 × 33 × 10 cm

1 kg, 250 grams, 500 grams