TPU vs PETG
Compare TPU and PETG filaments side-by-side so you can pick the right one for your 3D printing project.
TPU
SThermoplastic Polyurethane
Excellent layer adhesion; extremely impact resistant; highly durable
PETG
APolyethylene Terephthalate Glycol-modified
Tougher than PLA, higher temp tolerance, more durable in real-world use
Detailed Comparison
Property
TPU
PETG
Tier Rating
Tier S
Tier A
Family
Flexible
PETG
Nozzle Temp
200-240°C
230-250°C
Bed Temp
30-60°C
70-90°C
Enclosure
not needed
optional
Cooling
Moderate cooling
Moderate cooling; too much cooling can hurt layer adhesion
Moisture Sensitivity
high
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
TPU Strengths
- Excellent layer adhesion; extremely impact resistant; highly durable
- Great for combat robots, tactical/rough-use parts
- Rubber-like parts (gaskets, grips, bumpers, wheels)
PETG Strengths
- Tougher than PLA, higher temp tolerance, more durable in real-world use
- Good clarity and low friction among easy-to-print materials
Considerations
TPU Caveats
- Slow printing; retraction can cause jams (especially in Bowden setups)
- Stringing is common
- Very moisture sensitive; wet TPU prints poorly
PETG Caveats
- Overhangs/bridges sag; supports can be hard to remove
- Absorbs water fairly quickly
Frequently Asked Questions
Is TPU or PETG better for 3D printing?
TPU is generally rated higher (Tier S) compared to PETG (Tier A). However, the best choice depends on your specific needs: TPU is best for Excellent layer adhesion; extremely impact resistant; highly durable, while PETG is best for Tougher than PLA, higher temp tolerance, more durable in real-world use.
What are the temperature differences between TPU and PETG?
TPU prints at 200-240°C nozzle / 30-60°C bed. PETG prints at 230-250°C nozzle / 70-90°C bed.
Do TPU and PETG need an enclosure?
TPU: not needed. PETG: optional.
Which is more beginner-friendly: TPU or PETG?
Both TPU and PETG are beginner-friendly options.