PEKK vs PLA
Compare PEKK and PLA filaments side-by-side so you can pick the right one for your 3D printing project.
PEKK vs PLA: PEKK is known for nearly peek-class strength with far better print success..., while PLA is known for easiest to print. PLA is easier to print; PEKK prints at higher nozzle temperatures (340-380°C vs 190-220°C). Choose PEKK for nearly peek-class strength with far better print success..., or PLA for easiest to print.
Key differences at a glance
PEKK
APolyether Ketone Ketone
Nearly PEEK-class strength with far better print success rate
PLA
APolylactic Acid
Easiest to print, cheap, widely available, fast, good bridges/overhangs, easy support removal
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
PLA Strengths
- Easiest to print, cheap, widely available, fast, good bridges/overhangs, easy support removal
- Stiff non-composite thermoplastic, good tensile strength
Considerations
PEKK Caveats
- Extremely expensive and very difficult to print; warping/curling issues (pricing varies widely by brand, so verify current pricing)
PLA Caveats
- Creeps under sustained load
- Poor heat resistance, UV degradation, can shatter on drops
- Not great for sanding/gluing/painting/touch-ups