PPS vs TPU

Compare PPS and TPU filaments side-by-side so you can pick the right one for your 3D printing project.

PPS vs TPU: PPS is known for exceptional chemical resistance (claimed near-inert below ~200c), while TPU is known for excellent layer adhesion. TPU is easier to print; PPS is less moisture-sensitive; PPS prints at higher nozzle temperatures (300-340°C vs 200-240°C). Choose PPS for exceptional chemical resistance (claimed near-inert below ~200c), or TPU for excellent layer adhesion.

Key differences at a glance

Property
PPS
TPU
Nozzle temp
300-340°C
200-240°C
Bed temp
120-150°C
30-60°C
Enclosure needed
Required
No
Ease of printing
Difficult
Easy
Moisture sensitivity
low
high

PPS

C

Polyphenylene Sulfide

Exceptional chemical resistance (claimed near-inert below ~200C); solid performance for chemical environments

TPU

S

Thermoplastic Polyurethane

Excellent layer adhesion; extremely impact resistant; highly durable

Detailed Comparison

Property
PPS
TPU
Tier Rating
Tier C
Tier S
Family
PPS
Flexible
Nozzle Temp
300-340°C
200-240°C
Bed Temp
120-150°C
30-60°C
Enclosure
required
not needed
Cooling
Low 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

PPS Strengths

  • Exceptional chemical resistance (claimed near-inert below ~200C); solid performance for chemical environments

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

PPS Caveats

  • Expensive and still high-demands; niche justification

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

What is the difference between PPS and TPU?
PPS prints at 300-340°C nozzle / 120-150°C bed (Required enclosure, low moisture sensitivity). TPU prints at 200-240°C nozzle / 30-60°C bed (No enclosure, high moisture sensitivity).
Is PPS or TPU stronger?
Our dataset does not include comparable tensile strength values for both. Qualitatively, PPS is suited to exceptional chemical resistance (claimed near-inert below ~200c), while TPU is suited to excellent layer adhesion.
Which prints at a higher temperature, PPS or TPU?
PPS prints at a higher temperature (300-340°C nozzle vs 200-240°C for TPU).
Is PPS or TPU better for beginners?
TPU is better for beginners: enclosure is no and moisture sensitivity is high, vs required enclosure and low moisture for PPS.
Should I use PPS or TPU for flexible parts?
For flexible parts, TPU is usually the better fit (Excellent layer adhesion). Choose PPS instead when exceptional chemical resistance (claimed near-inert below ~200c).

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