CPE vs TPU
Compare CPE and TPU filaments side-by-side so you can pick the right one for your 3D printing project.
CPE
-Versatile 3D printing filament
TPU
SThermoplastic Polyurethane
Excellent layer adhesion; extremely impact resistant; highly durable
Detailed Comparison
Property
CPE
TPU
Tier Rating
Tier null
Tier S
Family
CPE
Flexible
Nozzle Temp
275°C
200-240°C
Bed Temp
90-110°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
CPE 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
CPE 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 CPE or TPU better for 3D printing?
TPU is generally rated higher (Tier S) compared to CPE (Tier null). However, the best choice depends on your specific needs: CPE is best for various applications, while TPU is best for Excellent layer adhesion; extremely impact resistant; highly durable.
What are the temperature differences between CPE and TPU?
CPE prints at 275°C nozzle / 90-110°C bed. TPU prints at 200-240°C nozzle / 30-60°C bed.
Do CPE and TPU need an enclosure?
CPE: not needed. TPU: not needed.
Which is more beginner-friendly: CPE or TPU?
Both CPE and TPU are beginner-friendly options.