Which Filament

Materials › ASA

Price tier $$$

ASA-CF

ASA filled with carbon fiber. Stiff, matte, and weatherproof, for rigid outdoor and automotive parts.

Also called: carbon fiber asa, carbon fibre asa, asa carbon fiber, cf asa

Good for

  • Outdoor / sunlight
  • Hot environments
  • Load-bearing / mechanical
  • Functional parts

Not great for

  • First-time friendly

Typical settings

Nozzle
245-275 °C
Bed
90-110 °C
Speed
40-90 mm/s
Cooling
0-30% part fan

You'll need

  • Enclosed printer
  • Hardened steel (or ruby-tipped) nozzle
  • Ventilation for fumes

Ratings

Strength
4 out of 5
Heat resistance
4 out of 5
Flexibility
1 out of 5
Ease of printing
2 out of 5
Print speed
3 out of 5
Looks / finish
4 out of 5
Durability
4 out of 5

Ratings are relative, 1-5, for a typical filament of this type. Start from your filament maker's recommended settings.

Use it for

  • Rigid parts that also live outside or under a car: mounts, brackets, structural housings, and drone or rover components that see sun and rain.

Watch out for

  • Hardened nozzle required, since carbon fiber wears brass quickly.
  • Stiffer but less impact-tolerant than plain ASA.
  • Costs more than plain ASA.

Tips

  • Start from the manufacturer’s profile, keep the chamber warm, and dry the spool before use.

Commonly printed in ASA-CF

Other ASA types

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