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ThermaX™ PEEK

3DxTech

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355,00 €
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Filament with exceptional mechanical, thermal and chemical resistance properties.

In the world of FDM/FFF 3D printing, there is a family of materials that has stood out clearly above all others for some years now, the PAEK family (polyaryletherketone or polyaryletherketone ether ketone). The materials belonging to this class are semi-crystalline plastics, which withstand high temperatures (around 200 ºC) while maintaining high mechanical strength values.

The PAEK family includes PEEK, PEKK and PEI. All of them have high mechanical strength, chemical resistance and high temperature flammability.

ThermaX™ PEEK filament is one of the materials offered by 3DXtech, a renowned North American manufacturer specialising in technical filaments for professional applications. PEEK (polyetheretheretherketone) is one of the highest performing polymers in the world. 3DxTech's PEEK filament has exceptional mechanical, thermal and chemical resistance properties, making it an ideal material for some of the most demanding applications.

The most outstanding properties of 3DxTech ThermaX™ PEEK filament are:

  • Glass transition temperature (Tg) of 143 °C.
  • Melting temperature (Tm) of 343 °C.
  • Inherent flame resistance (UL94 V-0).
  • Excellent mechanical, thermal and chemical resistance.
  • Continuous use temperature (CUT) of 260 °C, higher for short duration.
  • Excellent resistance to a wide range of chemicals, such as those used in the oil/gas, automotive, aerospace, industrial and chemical processing industries.

This material is an advanced material that requires the use of a industrial 3D printer that reaches printing temperatures between 375 and 410 °C and a chamber temperature of up to 140 °C. Due to its difficulty in printing, this filament is recommended for expert users.

Elongation at break (%) 28
Tensile strength (MPa) 100
Tensile modulus (MPa) 3720
Flexural strength (MPa) 130
Flexural modulus (MPa) 2700
Chemical resistance Chemical resistance

The use of PEEK requires a great deal of experience in the 3D printing sector and a qualified 3D printer, as it requires an extrusion temperature of 380-400°C, a base temperature of 130-140°C and a chamber temperature of up to 140°C, which is why it is recommended to use industrial 3D printers that meet all the requirements. To ensure good adhesion to the printing base it is recommended to use a PEI foil and thus avoid warping effect.

General information
Manufacturer 3DxTech
Material ThermaX™ PEEK
Format Spool of 500 g
Density 1.30 g/cm3
Diameter of filament 1.75
Diameter tolerance ±0,05 mm
Filament length ±160 m (Ø 1.75 mm-0.5Kg)
Color Natural
RAL/Pantone  -
Print settings
Printing temperature 380-400ºC
Print bed temperature 130-140ºC
Chamber temperature < 140 ºC
Cooling fan Not recommended
Recommended printing speed 10-50 mm/s
Nozzle diameter >0.4 mm
Mechanical properties
Izod impact strength -
Charpy impact strength -
Elongation at break (ISO 527) 28%
Tensile strength 100 MPa
Tensile Modulus (ISO 527) 3720 MPa
Flexural strength (ISO 178) 130 MPa
Flexural modulus (ISO 178) 2700 MPa
Surface hardness -
Thermal properties
Softening temperature (ISO 306) 143ºC
Melting temperature 343ºC
Inflammability (UL 94 @0.8mm) V-0 Class
Specific properties
Transparency  -
Additional Information
HS Code 3916.9
Spool Diameter (outer) 200 mm
Spool Diameter (inner hole) 52 mm
Spool Width 55 mm


* The typical values detailed in this table should be considered as a reference. Actual values may vary depending on the 3D printer model used, part design and printing conditions. We recommend confirming the results and final properties with own tests. For more information you should consult the technical data sheet of the product.

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