semi-crystalline
Properties
Semi-crystalline, thermoplastic PEKK film in amorphous form

General properties:
  • very good mechanical properties
  • very good thermostability (approx. 20°C higher glass transition temperature than PEEK)
  • very low permeability to oxygen and water vapour
Physical properties:
  • Density (ISO1183): 1,29 g/cm³
  • Glass transition temperature (ISO11357): 162 °C
  • Melting temperature: 331-334 °C
Mechanical properties: (Inj. moulded test specimens)
  • Tensile strength at 23°C (ISO527): 110 N/mm²
  • Tensile elongation at 23°C (ISO527): 20 %
  • Tensile modulus (ISO527): 3800 N/mm²

Potential applications

  • seals
  • diaphragms
  • insulations