Ultrafuse ASA vs TPU
Compare Ultrafuse ASA and TPU filaments side-by-side so you can pick the right one for your 3D printing project.
Ultrafuse ASA
-Versatile 3D printing filament
TPU
SThermoplastic Polyurethane
Excellent layer adhesion; extremely impact resistant; highly durable
Detailed Comparison
Property
Ultrafuse ASA
TPU
Tier Rating
Tier null
Tier S
Family
ASA
Flexible
Nozzle Temp
275°C
200-240°C
Bed Temp
105°C
30-60°C
Enclosure
not needed
not needed
Cooling
Moderate cooling
Moisture Sensitivity
low
high
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
Ultrafuse ASA Strengths
TPU Strengths
- Excellent layer adhesion; extremely impact resistant; highly durable
- Great for combat robots, tactical/rough-use parts
- Rubber-like parts (gaskets, grips, bumpers, wheels)
Considerations
Ultrafuse ASA Caveats
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 Ultrafuse ASA or TPU better for 3D printing?
TPU is generally rated higher (Tier S) compared to Ultrafuse ASA (Tier null). However, the best choice depends on your specific needs: Ultrafuse ASA is best for various applications, while TPU is best for Excellent layer adhesion; extremely impact resistant; highly durable.
What are the temperature differences between Ultrafuse ASA and TPU?
Ultrafuse ASA prints at 275°C nozzle / 105°C bed. TPU prints at 200-240°C nozzle / 30-60°C bed.
Do Ultrafuse ASA and TPU need an enclosure?
Ultrafuse ASA: not needed. TPU: not needed.
Which is more beginner-friendly: Ultrafuse ASA or TPU?
Both Ultrafuse ASA and TPU are beginner-friendly options.