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3DXTech's CARBONX™ CF-PETG (1.75mm 750g - Black) is a filament formulated from carbon fiber reinforced copolyester (CFRP). Manufactured in the United States from PETG and high-quality carbon fiber, CARBONX™ CF-PETG is an ideal filament for anyone who wants a structural component that combines strength and printability with excellent surface quality, dimensional stability, and lightweight.


In combination with a water-soluble filament, CARBONX™ CF-PETG allows you to print parts with complex geometries and then dissolve the substrate in hot water. 



Compatible with










About 3DXTech


3DXTech is an American company based in Michigan. It produces in its Grand Rapids plant industrial-quality filaments capable of meeting the high demands and needs of scientists and engineers. Their high-performance plastics are used in advanced fields such as aerospace, automotive, rail, food, as well as in the laboratories and assembly lines of many manufacturers around the world.













Advice for printing with CARBONX™ CF-PETG




  • Superior chemical resistance compared to ABS
  • Amorphous: Low and close isotropic shrinkage
  • Low moisture absorption: 3X lower than ABS
  • The very low odor emitted during printing
  • Wide range of use: 230 - 270°C 
  • Chemical Resistance: PETG molded unstressed tension rods have good resistance to dilute aqueous solutions of mineral acids, bases, salts, and soaps, as well as to aliphatic hydrocarbons, alcohols, and various oils. Halogenated hydrocarbons, short-chain ketones, and aromatic hydrocarbons dissolve or swell the plastic. 









Example of 3D printed parts with CARBONX™ CF-PETG












3DXTech best printing parameters





Print bedDrying Temp (Max) Drying Time (Min) 
THERMAX HTS350 - 380 °C120 - 160 °C120 °C4H

140 - 160°C

120 °C4H
CARBONX CF-Nylon PA6240 - 270°C80 - 100°C90 °C4H
CARBONX CF-PEKK-A 345 - 375°C 120 - 140 °C120 °C4H
CARBONX CF-PETG230 à 260°C70 - 90 °C65 °C2 - 4H
FIBREX PA6-30GF260-280°C60 - 75 °C90 °C4H
ezPC (Polycarbonate)255-275°C90 - 110 °C80 °C4H

* The present information is given as an indication, provided by the manufacturer. Nozzle and heating plate temperatures may vary depending on the 3D printer used.









Technical specifications



Extruder Temp230 à 260°C
Bed temp70 à 90°C
Bed prepClean glass with Kapton ribbon, PVA glue, hairspray
NozzleWe recommend an outlet of 0.40 mm minimum
Layer height


The ideal layer height is 60% of the nozzle diameter.  We do not recommend printing layers smaller than 0.2 mm with 3DXTech CF filaments.


Nozzle wear


Carbon fiber filament is more abrasive than unfilled materials, so prolonged use will result in greater wear to your nozzle. We recommend using a hardened steel nozzle.


Diameter1,75 mm (+/- 0,05 mm)
Max Drying Temp65°C
Min Drying Temp2 à 4 hours





Content of the order


     • 1 Spool of 3DXTech - CARBONX CF-PETG - 1.75mm 750g - Black filament