PPS vs ASA

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

PPS vs ASA: PPS is known for exceptional chemical resistance (claimed near-inert below ~200c), while ASA is known for excellent uv resistance (outdoors indefinitely). ASA is easier to print; PPS is less moisture-sensitive; PPS prints at higher nozzle temperatures (300-340°C vs 220-275°C). Choose PPS for exceptional chemical resistance (claimed near-inert below ~200c), or ASA for excellent uv resistance (outdoors indefinitely).

Key differences at a glance

Property
PPS
ASA
Nozzle temp
300-340°C
220-275°C
Bed temp
120-150°C
90-110°C
Enclosure needed
Required
Recommended
Ease of printing
Difficult
Moderate
Moisture sensitivity
low
moderate

PPS

C

Polyphenylene Sulfide

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

ASA

A

Acrylonitrile Styrene Acrylate

Excellent UV resistance (outdoors indefinitely), tough, matte surface

Detailed Comparison

Property
PPS
ASA
Tier Rating
Tier C
Tier A
Family
PPS
ASA
Nozzle Temp
300-340°C
220-275°C
Bed Temp
120-150°C
90-110°C
Enclosure
required
recommended
Cooling
Low cooling
Low to moderate; avoid drafts
Moisture Sensitivity
low
moderate

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

ASA Strengths

  • Excellent UV resistance (outdoors indefinitely), tough, matte surface
  • Less warping than ABS; low viscosity enables very high speed printing
  • High heat tolerance (~boiling water range)

Considerations

PPS Caveats

  • Expensive and still high-demands; niche justification

ASA Caveats

  • Still off-gasses; enclosure/ventilation recommended
  • Can still warp; needs tuning

Frequently Asked Questions

What is the difference between PPS and ASA?
PPS prints at 300-340°C nozzle / 120-150°C bed (Required enclosure, low moisture sensitivity). ASA prints at 220-275°C nozzle / 90-110°C bed (Recommended enclosure, moderate moisture sensitivity).
Is PPS or ASA 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 ASA is suited to excellent uv resistance (outdoors indefinitely).
Which prints at a higher temperature, PPS or ASA?
PPS prints at a higher temperature (300-340°C nozzle vs 220-275°C for ASA).
Is PPS or ASA better for beginners?
Both are similarly approachable: PPS (required enclosure, low moisture) and ASA (recommended enclosure, moderate moisture).
Should I use PPS or ASA for outdoor use?
For outdoor use, ASA is usually the better fit (Excellent UV resistance (outdoors indefinitely)). Choose PPS instead when exceptional chemical resistance (claimed near-inert below ~200c).

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