Semi-flexible TPU vs TPU
Compare Semi-flexible TPU and TPU 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
TPU
SThermoplastic Polyurethane
Perfect layer adhesion; extremely impact resistant; nearly indestructible
Detailed Comparison
Property
Semi-flexible TPU
TPU
Tier Rating
Tier B
Tier S
Family
Flexible
Flexible
Nozzle Temp
210-230°C
200-240°C
Bed Temp
40-60°C
30-60°C
Enclosure
not needed
not needed
Cooling
Moderate cooling
Moderate cooling
Moisture Sensitivity
high
high
Strengths Comparison
Semi-flexible TPU Strengths
- Good balance for bumpers/hinges/impacty parts
TPU Strengths
- Perfect layer adhesion; extremely impact resistant; nearly indestructible
- Great for combat robots, tactical/rough-use parts
- Rubber-like parts (gaskets, grips, bumpers, wheels)
Considerations
Semi-flexible TPU Caveats
- Too stiff for some flexible uses; too soft for some rigid uses
TPU Caveats
- Slow printing; retraction can cause jams (especially in Bowden setups)
- Stringing is common
- Very moisture sensitive; wet TPU prints poorly
Frequently Asked Questions
Is Semi-flexible TPU or TPU better for 3D printing?
TPU is generally rated higher (Tier S) 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 TPU is best for Perfect layer adhesion; extremely impact resistant; nearly indestructible.
What are the temperature differences between Semi-flexible TPU and TPU?
Semi-flexible TPU prints at 210-230°C nozzle / 40-60°C bed. TPU prints at 200-240°C nozzle / 30-60°C bed.
Do Semi-flexible TPU and TPU need an enclosure?
Semi-flexible TPU: not needed. TPU: not needed.
Which is more beginner-friendly: Semi-flexible TPU or TPU?
Both Semi-flexible TPU and TPU are beginner-friendly options.