Tier List

PEEK

PEEK • Polyether Ether Ketone

C

The single strongest, stiffest, toughest printable plastic. Nothing even comes close. Mechanical, thermal, and chemical properties so far beyond conventional plastic, it's more of an alternative to steel. Used in missiles - literally rocket science.

super polymerEnclosure RequiredDry Storage
Warnings
  • Hot enough to anneal (un-harden) your nozzle
  • Requires industrial-grade printer
Print Settings
Print Temp380-420°C
Bed Temp130-150°C
Chamber Temp120-150°C
Enclosure:Required
Material Properties
Strength95
Flexibility10
Heat Resistance98
Resistance Ratings
UV Resistance
Excellent
Chemical Resistance
Excellent
Humidity Sensitivity
Medium
Usability
Ease of Printing
(1/5)
Price Tier
$$$$(Premium)
Requires dry storage
Pros
  • Best at literally everything
  • Rocket science material
  • Fire self-extinguishing
  • Non-toxic breakdown
Cons
  • $700+ per kg
  • 400C nozzle (anneals steel)
  • 140C chamber (destroys bearings/fans)
  • Needs special bed adhesive
  • Warps, curls, bastard to print
  • So overkill you never need it
Use Cases
AerospaceMedical implantsWhen you need the absolute best

Also known as: polyether ether ketone, super polymer

Data sourced from Zack Freedman / Voidstar Lab