POM vs PLA
Compare POM and PLA filaments side-by-side so you can pick the right one for your 3D printing project.
POM
FAcetal / Delrin / Polyoxymethylene
Very low friction, stiff, easy to machine (in CNC contexts)
PLA
APolylactic Acid
Easiest to print, cheap, widely available, fast, good bridges/overhangs, easy support removal
Detailed Comparison
Property
POM
PLA
Tier Rating
Tier F
Tier A
Family
POM
PLA
Nozzle Temp
220-260°C
190-220°C
Bed Temp
90-120°C
50-60°C
Enclosure
required
not needed
Cooling
Low cooling
High part cooling usually beneficial
Moisture Sensitivity
low
moderate
Green marks the generally easier or more forgiving option in that row, based on tier, enclosure needs, and moisture sensitivity. It is not always the better choice for a specific job, so weigh it against what your project actually needs.
Strengths Comparison
POM Strengths
- Very low friction, stiff, easy to machine (in CNC contexts)
- Low friction, wear parts, gears, bushings
PLA Strengths
- Easiest to print, cheap, widely available, fast, good bridges/overhangs, easy support removal
- Stiff non-composite thermoplastic, good tensile strength
Considerations
POM Caveats
- 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
PLA Caveats
- Creeps under sustained load
- Poor heat resistance, UV degradation, can shatter on drops
- Not great for sanding/gluing/painting/touch-ups
Frequently Asked Questions
Is POM or PLA better for 3D printing?
PLA is generally rated higher (Tier A) compared to POM (Tier F). However, the best choice depends on your specific needs: POM is best for Very low friction, stiff, easy to machine (in CNC contexts), while PLA is best for Easiest to print, cheap, widely available, fast, good bridges/overhangs, easy support removal.
What are the temperature differences between POM and PLA?
POM prints at 220-260°C nozzle / 90-120°C bed. PLA prints at 190-220°C nozzle / 50-60°C bed.
Do POM and PLA need an enclosure?
POM: required. PLA: not needed.
Which is more beginner-friendly: POM or PLA?
PLA is more beginner-friendly as it doesn't require an enclosure.