Semi-flexible TPU vs PLA
Compare Semi-flexible TPU and PLA 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
PLA
APolylactic Acid
Easiest to print, cheap, widely available, fast, good bridges/overhangs, easy support removal
Detailed Comparison
Property
Semi-flexible TPU
PLA
Tier Rating
Tier B
Tier A
Family
Flexible
PLA
Nozzle Temp
210-230°C
185-235°C
Bed Temp
40-60°C
50-60°C
Enclosure
not needed
not needed
Cooling
Moderate cooling
High part cooling usually beneficial
Moisture Sensitivity
high
moderate
Strengths Comparison
Semi-flexible TPU Strengths
- Good balance for bumpers/hinges/impacty parts
PLA Strengths
- Easiest to print, cheap, widely available, fast, good bridges/overhangs, easy support removal
- Stiff non-composite thermoplastic, good tensile strength
Considerations
Semi-flexible TPU Caveats
- Too stiff for some flexible uses; too soft for some rigid uses
PLA Caveats
- Creeps under sustained load
- Poor heat resistance, UV degradation, can shatter on drops
- Not great for sanding/gluing/painting/touch-ups
Frequently Asked Questions
Is Semi-flexible TPU or PLA better for 3D printing?
PLA 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 PLA is best for Easiest to print, cheap, widely available, fast, good bridges/overhangs, easy support removal.
What are the temperature differences between Semi-flexible TPU and PLA?
Semi-flexible TPU prints at 210-230°C nozzle / 40-60°C bed. PLA prints at 185-235°C nozzle / 50-60°C bed.
Do Semi-flexible TPU and PLA need an enclosure?
Semi-flexible TPU: not needed. PLA: not needed.
Which is more beginner-friendly: Semi-flexible TPU or PLA?
Both Semi-flexible TPU and PLA are beginner-friendly options.