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Special PETG filament

PETG with one extra property: antistatic, smooth and wear-resistant, or heat-resistant.

Sometimes ordinary PETG is not quite enough. These Fiberlogy filaments print like PETG, but each has one extra property: PETG ESD dissipates static charge and protects sensitive electronics, PETG + PTFE gives smooth, wear-resistant parts for anything that slides or turns, and CPE HT keeps its shape up to 110 °C. Below the products you can read which one to choose and how to print it. Read more…

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What is special PETG?

This category contains filaments that print like PETG but have a property that ordinary PETG lacks. There are three materials from Fiberlogy: PETG ESD, PETG + PTFE (in black and natural) and CPE HT. For everyday printing, standard PETG is enough. You can see all types side by side under PETG & PCTG filament.

Which one should you choose?

FilamentExtra propertySuitable for
PETG ESDGradually dissipates static chargeEnclosures for circuit boards, sensors and connectors, holders for measuring equipment
PETG + PTFELow friction and more wear resistance thanks to PTFE (Teflon)Guides, bushings, sliders and gears
CPE HTKeeps its shape up to 110 °C, transparent, odourless and free of BPA, BPS and styreneParts that get warm; an easier-to-print alternative to polycarbonate

PETG ESD: antistatic filament

An electrostatic discharge can damage components on a circuit board. PETG ESD contains nanoparticles that gradually dissipate static charge, so it does not jump across all at once. Because of the particles, the filament is not completely smooth; small thickenings are normal and stay within the diameter tolerance. You will find more antistatic materials, such as ABS ESD, under ESD-safe filament.

PETG + PTFE and CPE HT

PETG + PTFE is PETG with added PTFE, the material known as Teflon. This makes printed parts smooth and more wear-resistant. According to Fiberlogy it withstands 70 °C, just like ordinary PETG. CPE HT is a copolyester from the same family, made from the raw material used for reusable drinking bottles, among other things. It keeps its shape up to 110 °C and comes close to polycarbonate in strength, but is much easier to print.

Print settings

  • PETG ESD: nozzle 250–265 °C, print bed 85 °C. Preferably use a 0.6 mm nozzle; if it still clogs, raise the temperature. Note: the temperature on the spool label is incorrect.
  • PETG + PTFE: nozzle 220–240 °C, print bed 90 °C.
  • CPE HT: nozzle 260–280 °C, print bed 110–120 °C.
  • Adhesion: PETG ESD sticks so strongly that it can damage glass or a smooth bed; Fiberlogy recommends masking tape. For the other types, a textured sheet or a layer of glue stick helps.

Print not going the way you want? Solving 3D printing problems covers the most common causes and fixes.

Pros and cons

Pros

  • PETG ESD protects sensitive electronics against static discharge
  • PETG + PTFE makes smooth, wear-resistant moving parts
  • CPE HT keeps its shape up to 110 °C and is transparent

Cons

  • Little choice of colour: PETG ESD only in black, CPE HT only transparent
  • PETG ESD needs a larger nozzle and sticks very strongly
  • CPE HT needs a print bed of 110–120 °C; not every printer reaches that
  • Absorbs moisture, so store it dry

Frequently asked questions

  • What is ESD filament?

    ESD stands for electrostatic discharge. ESD filament dissipates static charge in a controlled way, so it does not jump across to an electronic component all at once. You use it for enclosures, trays and holders around sensitive electronics. A printed part does not replace a complete ESD workstation with a grounded mat and wrist strap.

  • What is the difference between PETG ESD and ABS ESD?

    Both dissipate static charge and print at the same temperature (250–265 °C). Like ordinary ABS, ABS ESD is best printed in an enclosed printer, with a bed of 90–110 °C. PETG ESD shrinks less and needs no enclosure, which makes it the easiest choice for most printers.

  • Can I print pure PTFE filament?

    No, pure PTFE (Teflon) cannot be printed on an ordinary FDM printer. PETG + PTFE is PETG with added PTFE. It prints at 220–240 °C, as easily as PETG, and still gives parts a smooth, wear-resistant, low-friction surface.

  • Is CPE HT food safe?

    The raw material of CPE HT is suitable for food contact and is free of BPA, BPS and styrene. A printed object does have tiny grooves between the layers where bacteria can settle, and the nozzle and any colour residue also play a part. We therefore advise against it for cups, plates or containers that you use often.

  • Can I use these filaments in the Bambu Lab AMS?

    PETG + PTFE and CPE HT come on the same spool as other 0.75 kg Fiberlogy filament (199 mm diameter, 59 mm wide), which fits in the AMS; see also Fiberlogy spools in the AMS. PETG ESD comes on a spool 88 mm wide. That is too wide for the AMS; use the external spool holder instead.

  • Why does my nozzle clog with PETG ESD?

    The nanoparticles that make PETG ESD antistatic can build up in a narrow nozzle. Fiberlogy therefore recommends a 0.6 mm nozzle. If the nozzle still clogs, raise the print temperature within the range of 250–265 °C.