PEKK vs PETG
Compare PEKK and PETG filaments side-by-side so you can pick the right one for your 3D printing project.
PEKK vs PETG: PEKK is known for nearly peek-class strength with far better print success..., while PETG is known for tougher than pla. PETG is easier to print; PEKK prints at higher nozzle temperatures (340-380°C vs 230-250°C). Choose PEKK for nearly peek-class strength with far better print success..., or PETG for tougher than pla.
Key differences at a glance
PEKK
APolyether Ketone Ketone
Nearly PEEK-class strength with far better print success rate
PETG
APolyethylene Terephthalate Glycol-modified
Tougher than PLA, higher temp tolerance, more durable in real-world use
Detailed Comparison
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
PEKK Strengths
- Nearly PEEK-class strength with far better print success rate
- Described as one of the easiest high-end polymers to print once equipment checks pass
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
PEKK Caveats
- Extremely expensive and very difficult to print; warping/curling issues (pricing varies widely by brand, so verify current pricing)
PETG Caveats
- Overhangs/bridges sag; supports can be hard to remove
- Absorbs water fairly quickly