Peek has excellent mechanical strength, dimensional stability, a low coefficient of friction, very good chemical, hydrolysis resistance and radiation resistance, good dielectric properties and a low notch impact strength. UL94 Vo rated (self-extinguishing). Temperature range -50°C to +250°C.


  • Good strength
  • Good wear resistance.
  • Good machining qualities.
  • Low water absorption.
  • Good dimensional stability.
  • Good electrical properties.
  • Good resistance to high impact compared to finer weave grades.
  • Good chemical and corrosion resistance.


  • Very dusty to machine.
  • Other plastics can offer greater wear properties.
  • Mechanical properties are directional due to the weave.
  • Components can fail along the weave which is a shear plane.


This product is commonly used for components with intricate features which need accuracy and a fine machined finish.

  • Gears.
  • Spacers.
  • Jigs.
  • Fixtures.
  • Wear resistant components.
  • Insulation for low voltages.

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