POM Filament

Acetal / Delrin / Polyoxymethylene

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Also known as:AcetalDelrinPolyoxymethylene
Family:POM

Why Use POM?

  • Very low friction, stiff, easy to machine (in CNC contexts)
  • Low friction, wear parts, gears, bushings

Things to Consider

  • Near-zero bed adhesion; requires mechanical anchoring to bed surface
  • Layer splitting; needs heated enclosure and very slow printing
  • Heat decomposition can release formaldehyde (high hazard)
  • Often outclassed by nylon for printable low-friction parts

Safety & Ventilation

  • Print POM in a well ventilated area. Higher-temperature materials like this can release fumes and fine particles while printing. An enclosure improves print quality and helps contain fumes, but it is not a substitute for fresh air, so vent the enclosure or run an air filter and avoid an unventilated occupied room.
  • Keep within the recommended temperature range. POM can release formaldehyde if overheated, so ventilate well and avoid letting it sit hot in the nozzle.

Frequently Asked Questions

What is POM filament?
POM (Acetal / Delrin / Polyoxymethylene) is a 3D printing filament. Very low friction, stiff, easy to machine (in CNC contexts)
What temperature should I print POM at?
POM typically prints at nozzle temperatures of 220-260°C and bed temperatures of 90-120°C. Low cooling
Do I need an enclosure to print POM?
Yes, an enclosure is required for printing POM. Layer splitting; needs heated enclosure and very slow printing
What is POM filament best for?
POM is best for: Very low friction, stiff, easy to machine (in CNC contexts); Low friction, wear parts, gears, bushings.
What are the downsides of POM filament?
The main considerations when using POM: Near-zero bed adhesion; requires mechanical anchoring to bed surface; Layer splitting; needs heated enclosure and very slow printing; Heat decomposition can release formaldehyde (high hazard); Often outclassed by nylon for printable low-friction parts.