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PEEK (Polyetheretherketone) – properties & applications

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PEEK (Polyetheretherketone) – properties & applications

PEEK (Polyetheretherketone) – properties & applications


PEEK (Polyetheretherketone) is a semi-crystalline, thermoplastic high-performance material, and is characterised mainly by its very good mechanical properties and exceptional dimensional stability, even at high continuous operating temperatures of up to 250°C. Due to their properties, PEEK plastics are suitable for a wide range of applications with demanding operating conditions.



PEEK properties at a glance:

  • Very high temperature resistance (up to 250°C continuous operating temperature)
  • Excellent chemical resistance
  • Good dimensional resistance (low thermal expansion)
  • Optimal ratio of stiffness, solidity, toughness and minimal tendency to creep
  • Very good tribological properties (good sliding performance, low wear)
  • Good radiation resistance
  • Excellent resistance to hydrolysis
  • Fire performance: flame-retardant, Low smoke density, No toxic gases
  • Good machinability
  • Good bondability and weldability

PEEK applications:

Oil & gas:

  • PEEK seals
  • Reinforcing rings made of SUSTAPEEK
  • Ball valve seats
  • Insulation components

Electronics industry

  • Wafer carriers
  • Sensor components
  • PEEK plugs


  • Components for medical devices
  • Sterilisation boxes
  • Partition walls for 3D printing of medical components
  • Handles

Food industry

  • Components for food processing machines
Pub Time : 2021-12-29 11:10:34 >> News list
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