PEEK

Key Features
  • Very high mechanical strength
  • Excellent UV resistance
  • Suitable to use in temperatures up to 250 °C
  • Easy to machine
  • Very high creep resistance
  • Very high hydrolysis resistance
  • Relatively low notch impact strength
  • Low resistance to acetone
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Key Features
  • Very high mechanical strength
  • Excellent UV resistance
  • Suitable to use in temperatures up to 250 °C
  • Easy to machine
  • Very high creep resistance
  • Very high hydrolysis resistance
  • Relatively low notch impact strength
  • Low resistance to acetone

Overview

Kormax PEEK [technical name Poly Ether Ether Ketone] is a high-performance thermoplastic. Kormax PEEK has excellent chemical resistance and at high temperatures retains most of its physical properties. Kormax PEEK natural has FDA approval for direct contact with food and has low flammability [V0] rating. Kormax PEEK natural is a light brown colour and compared to other plastics materials is quite hard. Care needs to be taken over the material running in contact with Kormax PEEK and ideally should be a hardened steel material to avoid wear on the mating surface.

Kormax PEEK is available by request in other grades, such as 30 % Glass filler, 30% Carbon fibre and bearing grade.

Physical Properties

MaterialUnitPEEK
Tensile Strength at BreakN/mm267
Yield StrengthN/mm2115
Elongation at Yield%7%
HardnessMpaM99

Machining Allowances:

SizeTolerances
Rod
5mm – 25mm> 0.1mm – > 1mm
26mm – 56mm> 0.2mm – 1.3mm
60mm – 100mm> 0.3mm – > 2.5mm
110mm – 150mm> 0.6mm – 4mm
Sheet
1mm – 10mm< 0.2mm – > 1.1 mm
12mm – 25mm> 0.3mm – 1.5mm
30mm – 50mm> 0.5mm – 2.5mm
60mm-100mm> 0.5mm – 5.0mm