TPU vs TPE
Compare TPU and TPE filaments side-by-side so you can pick the right one for your 3D printing project.
TPU vs TPE: TPU is known for excellent layer adhesion, while TPE is known for excellent layer adhesion. Both have no enclosure requirements; TPU prints at higher nozzle temperatures (200-240°C vs 200-230°C). Choose TPU for excellent layer adhesion, or TPE for excellent layer adhesion.
Key differences at a glance
TPU
SThermoplastic Polyurethane
Excellent layer adhesion; extremely impact resistant; highly durable
TPE
FGeneric TPE filament
Excellent layer adhesion; extremely impact resistant; highly durable
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
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)
TPE 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
TPU Caveats
- Slow printing; retraction can cause jams (especially in Bowden setups)
- Stringing is common
- Very moisture sensitive; wet TPU prints poorly
TPE Caveats
- Drive gears can squash it; hard to dial extrusion
- Print quality tends to be poor/runny