SEBS vs TPU
Compare SEBS and TPU filaments side-by-side so you can pick the right one for your 3D printing project.
SEBS
AStyrene Ethylene Butylene Styrene
Flexible, stretchy, and prints smoothly once dialed
TPU
SThermoplastic Polyurethane
Excellent layer adhesion; extremely impact resistant; highly durable
Detailed Comparison
Property
SEBS
TPU
Tier Rating
Tier A
Tier S
Family
Flexible
Flexible
Nozzle Temp
200-240°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
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
SEBS Strengths
- Flexible, stretchy, and prints smoothly once dialed
- Much improved modern alternative to classic TPE
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
SEBS Caveats
- Hygroscopic
- Styrene fumes; low softening temp risks during drying
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 SEBS or TPU better for 3D printing?
TPU is generally rated higher (Tier S) compared to SEBS (Tier A). However, the best choice depends on your specific needs: SEBS is best for Flexible, stretchy, and prints smoothly once dialed, while TPU is best for Excellent layer adhesion; extremely impact resistant; highly durable.
What are the temperature differences between SEBS and TPU?
SEBS prints at 200-240°C nozzle / 40-60°C bed. TPU prints at 200-240°C nozzle / 30-60°C bed.
Do SEBS and TPU need an enclosure?
SEBS: not needed. TPU: not needed.
Which is more beginner-friendly: SEBS or TPU?
Both SEBS and TPU are beginner-friendly options.