Ultrafuse rPET vs TPU

Compare Ultrafuse rPET and TPU filaments side-by-side. See which one is best for your 3D printing project.

Detailed Comparison

Property
Ultrafuse rPET
TPU
Tier Rating
Tier null
Tier S
Family
PETG
Flexible
Nozzle Temp
235°C
200-240°C
Bed Temp
75°C
30-60°C
Enclosure
not needed
not needed
Cooling
Moderate cooling
Moisture Sensitivity
low
high

Strengths Comparison

Ultrafuse rPET Strengths

    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

    Ultrafuse rPET 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 rPET or TPU better for 3D printing?
      TPU is generally rated higher (Tier S) compared to Ultrafuse rPET (Tier null). However, the best choice depends on your specific needs: Ultrafuse rPET is best for various applications, while TPU is best for Perfect layer adhesion; extremely impact resistant; nearly indestructible.
      What are the temperature differences between Ultrafuse rPET and TPU?
      Ultrafuse rPET prints at 235°C nozzle / 75°C bed. TPU prints at 200-240°C nozzle / 30-60°C bed.
      Do Ultrafuse rPET and TPU need an enclosure?
      Ultrafuse rPET: not needed. TPU: not needed.
      Which is more beginner-friendly: Ultrafuse rPET or TPU?
      Both Ultrafuse rPET and TPU are beginner-friendly options.

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