Carbon Fiber PETG vs PLA
Compare Carbon Fiber PETG and PLA filaments side-by-side so you can pick the right one for your 3D printing project.
Carbon Fiber PETG vs PLA: Carbon Fiber PETG is known for greatly improved stability and support quality vs petg, while PLA is known for easiest to print. PLA is easier to print; Carbon Fiber PETG prints at higher nozzle temperatures (230-260°C vs 190-220°C). Choose Carbon Fiber PETG for greatly improved stability and support quality vs petg, or PLA for easiest to print.
Key differences at a glance
Carbon Fiber PETG
SPETG-CF
Greatly improved stability and support quality vs PETG
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
Carbon Fiber PETG Strengths
- Greatly improved stability and support quality vs PETG
- Stiffer than PETG; looks great (glossy walls)
PLA Strengths
- Easiest to print, cheap, widely available, fast, good bridges/overhangs, easy support removal
- Stiff non-composite thermoplastic, good tensile strength
Considerations
Carbon Fiber PETG Caveats
- Overhangs/bridges sag; supports can be hard to remove
- Absorbs water fairly quickly
PLA Caveats
- Creeps under sustained load
- Poor heat resistance, UV degradation, can shatter on drops
- Not great for sanding/gluing/painting/touch-ups