PEI 9085 vs ASA
Compare PEI 9085 and ASA filaments side-by-side. See which one is best for your 3D printing project.
PEI 9085
AUltem 9085
Very strong, stable, and safe superpolymer; low thermal expansion enables good dimensional accuracy
ASA
AAcrylonitrile Styrene Acrylate
Excellent UV resistance (outdoors indefinitely), tough, matte surface
Detailed Comparison
Property
PEI 9085
ASA
Tier Rating
Tier A
Tier A
Family
PEI
ASA
Nozzle Temp
350-400°C
220-275°C
Bed Temp
120-160°C
90-110°C
Enclosure
required
recommended
Cooling
Minimal
Low to moderate; avoid drafts
Moisture Sensitivity
moderate
moderate
Strengths Comparison
PEI 9085 Strengths
- Very strong, stable, and safe superpolymer; low thermal expansion enables good dimensional accuracy
- Once setup is met, prints relatively friendly
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
PEI 9085 Caveats
- Setup requirements too extreme for S tier
- Cannot print on PEI-coated plate repeatedly (bonding/plate damage risk)
ASA Caveats
- Still off-gasses; enclosure/ventilation recommended
- Can still warp; needs tuning
Frequently Asked Questions
Is PEI 9085 or ASA better for 3D printing?
PEI 9085 is generally rated higher (Tier A) compared to ASA (Tier A). However, the best choice depends on your specific needs: PEI 9085 is best for Very strong, stable, and safe superpolymer; low thermal expansion enables good dimensional accuracy, while ASA is best for Excellent UV resistance (outdoors indefinitely), tough, matte surface.
What are the temperature differences between PEI 9085 and ASA?
PEI 9085 prints at 350-400°C nozzle / 120-160°C bed. ASA prints at 220-275°C nozzle / 90-110°C bed.
Do PEI 9085 and ASA need an enclosure?
PEI 9085: required. ASA: recommended.
Which is more beginner-friendly: PEI 9085 or ASA?
Neither is particularly beginner-friendly - both typically require an enclosure.