PEI vs PETG
Compare PEI and PETG filaments side-by-side. See which one is best for your 3D printing project.
PEI
-Versatile 3D printing filament
PETG
APolyethylene Terephthalate Glycol-modified
Tougher than PLA, higher temp tolerance, more durable in real-world use
Detailed Comparison
Property
PEI
PETG
Tier Rating
Tier null
Tier A
Family
PEI
PETG
Nozzle Temp
430°C
215-270°C
Bed Temp
150°C
70-90°C
Enclosure
not needed
optional
Cooling
Moderate cooling; too much cooling can hurt layer adhesion
Moisture Sensitivity
low
moderate
Strengths Comparison
PEI Strengths
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
PEI Caveats
PETG Caveats
- Overhangs/bridges sag; supports can be hard to remove
- Absorbs water fairly quickly
Frequently Asked Questions
Is PEI or PETG better for 3D printing?
PETG is generally rated higher (Tier A) compared to PEI (Tier null). However, the best choice depends on your specific needs: PEI is best for various applications, while PETG is best for Tougher than PLA, higher temp tolerance, more durable in real-world use.
What are the temperature differences between PEI and PETG?
PEI prints at 430°C nozzle / 150°C bed. PETG prints at 215-270°C nozzle / 70-90°C bed.
Do PEI and PETG need an enclosure?
PEI: not needed. PETG: optional.
Which is more beginner-friendly: PEI or PETG?
Both PEI and PETG are beginner-friendly options.