Semi-flexible TPU vs PETG
Compare Semi-flexible TPU and PETG filaments side-by-side. See which one is best for your 3D printing project.
Semi-flexible TPU
BMid-durometer TPU
Good balance for bumpers/hinges/impacty parts
PETG
APolyethylene Terephthalate Glycol-modified
Tougher than PLA, higher temp tolerance, more durable in real-world use
Detailed Comparison
Property
Semi-flexible TPU
PETG
Tier Rating
Tier B
Tier A
Family
Flexible
PETG
Nozzle Temp
210-230°C
215-270°C
Bed Temp
40-60°C
70-90°C
Enclosure
not needed
optional
Cooling
Moderate cooling
Moderate cooling; too much cooling can hurt layer adhesion
Moisture Sensitivity
high
moderate
Strengths Comparison
Semi-flexible TPU Strengths
- Good balance for bumpers/hinges/impacty parts
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
Semi-flexible TPU Caveats
- Too stiff for some flexible uses; too soft for some rigid uses
PETG Caveats
- Overhangs/bridges sag; supports can be hard to remove
- Absorbs water fairly quickly
Frequently Asked Questions
Is Semi-flexible TPU or PETG better for 3D printing?
PETG is generally rated higher (Tier A) compared to Semi-flexible TPU (Tier B). However, the best choice depends on your specific needs: Semi-flexible TPU is best for Good balance for bumpers/hinges/impacty parts, while PETG is best for Tougher than PLA, higher temp tolerance, more durable in real-world use.
What are the temperature differences between Semi-flexible TPU and PETG?
Semi-flexible TPU prints at 210-230°C nozzle / 40-60°C bed. PETG prints at 215-270°C nozzle / 70-90°C bed.
Do Semi-flexible TPU and PETG need an enclosure?
Semi-flexible TPU: not needed. PETG: optional.
Which is more beginner-friendly: Semi-flexible TPU or PETG?
Both Semi-flexible TPU and PETG are beginner-friendly options.