Tier List

Carbon Fiber PET

CFPET • Polyethylene Terephthalate + Carbon Fiber (High Temperature)

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One of the easiest high-performance polymers to use. Almost as easy to print as entry-level PETG but extremely stiff. Used for precision applications like heads-up display arms where flex would cause wobble.

compositeEnclosure RequiredHardened NozzleBased on PET
Print Settings
Print Temp275-310°C
Bed Temp80-100°C
Enclosure:Required
Material Properties
Strength85
Flexibility12
Heat Resistance90
Resistance Ratings
UV Resistance
Medium
Chemical Resistance
Medium
Humidity Sensitivity
Medium
Usability
Ease of Printing
(3/5)
Price Tier
$$$(Expensive)
Requires hardened nozzle
Pros
  • Extremely stiff
  • Easier than other high-performance
  • High heat resistance
  • Good dimensional accuracy
Cons
  • Expensive (limited suppliers)
  • Still needs enclosed chamber
  • Hardened nozzle required
Use Cases
Optical mountsPrecision fixturesHigh-temp applicationsStiff structural parts

Also known as: carbon pet, htpet cf

Data sourced from Zack Freedman / Voidstar Lab