Prusament ASA vs Fusion Filaments PETG — Which Should You Buy?

Side-by-side comparison of Prusament ASA and Fusion Filaments PETG. We compare specs, performance, and value to help you decide.

Updated 2026-03-09 Independently reviewed
Prusament ASA

Prusament ASA

9/10
$38 /one-time
VS
Fusion Filaments PETG

Fusion Filaments PETG

8.9/10
$32 /one-time

Feature Comparison

Feature Prusament ASA Fusion Filaments PETG
Material ASA PETG
Diameter Tolerance ±0.02mm ±0.03mm
Print Temp 250-270°C 235-250°C
Bed Temp 90-110°C 80-85°C
Tensile Strength 45 MPa 52 MPa
Flexibility Rigid Semi-flexible
Spool Size 1kg 1kg
Density 1.07 g/cm³ 1.27 g/cm³
Shrinkage Moderate Low
Storage Dry Dry, sealed

Prusament ASA

Pros

  • UV resistant
  • Less warping than ABS
  • Outdoor durable
  • ±0.02mm tolerance
  • Strong
  • Heat resistant

Cons

  • Needs enclosure
  • Ventilation recommended
  • Premium price

Fusion Filaments PETG

Pros

  • USA made
  • Strong
  • Chemical resistant
  • Consistent
  • Good support
  • Durable

Cons

  • Higher price
  • Limited availability

Our Verdict

Prusament ASA

The best choice for outdoor and UV-exposed parts—ASA over ABS.

20% Off — Limited Time, Check Now

Fusion Filaments PETG

The best USA-made PETG for serious functional printing.

20% Off — Limited Time, Check Now

Our Methodology

We test each filament for print quality, layer adhesion, and real-world performance. No manufacturer has editorial influence.

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