PEKEKK

HPMs – High-performance materials

PEKEKK

Polyetherketoneetherketoneketone belongs to the PEEK material family, and it has excellent mechanical properties and dimensional accuracy, also at high temperatures. The material is easy to process. We deliver PEKEKK as plastic sheets and rods.

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Physical properties
  Value Unit Test method
Specific gravity 1.32 g/cm3 DIN EN ISO 1183
Average molecular mass N/A
Water absorption, 24/96 h (23 °C) 0.02/0.03 % DIN EN ISO 62
Weather-resistance moderate
Combustibility V0 UL 94 DIN EN ISO 527-2
Food safety no
Mechanical properties
  Value Unit Test method
Modulus of elasticity 4600 MPa DIN EN ISO 527-2
Tensile strength 134 MPa DIN EN ISO 527-2
Elongation at break 5 % DIN EN ISO 527-2
Tensile strength at break 13 % DIN EN ISO 527-2
Flexural modulus 4600 MPa DIN EN ISO 178
Flexural strength 193 MPa DIN EN ISO 178
Compressive modulus 3500 MPa EN ISO 604
Compressive strength, 1%/2% 24/42 MPa EN ISO 604
Impact strength (Charpy) does not break kJ/m2 DIN EN ISO 179-1eU
Notch impact strength (Charpy) 4 kJ/m2 DIN EN ISO 179-1eA
Notch impact strength (Izod) – kJ/m2 DIN EN ISO 180/2A
Toughness (ball pressure) 275 MPa ISO 2039-1
Toughness (Shore D) N/A
Wear-resistance N/A
Coefficient of friction (against steel) N/A
Thermal properties
  Value Unit Test method
Glass-transition temperature 165 °C DIN 53765
Melting point 384 °C DIN 53765
Operating temperature (instantaneous) +300 °C
Operating temperature (continuous) 260 °C
Operating temperature (minimum) -40 °C
Thermal expansion coefficient, 23–60 °C 5 10-5 K-1 DIN EN ISO 11359-1;2
Thermal expansion coefficient, 23–100 °C 5 10-5 K-1 DIN EN ISO 11359-1;2
Specific heat capacity N/A
Thermal conductivity N/A
Electrical properties
  Value Unit Test method
Surface resistivity 1014 Ω DIN IEC 60093
Resistivity N/A
Dielectric strength N/A
CTI value N/A
Optical properties
  Value Unit Test method
Light transmittance N/A
Refractive index N/A
Optical errors N/A
Abrasion-resistance, 100 rotations with 500 g N/A

Additional downloads

Delivery selection plastic sheets, plastic rods
Specific gravity 1.32 g/cm3
Service temperature -40 … 260 °C
Price category €€€+ (>€50/kg)

Special properties

  • mechanical strength at high temperatures
  • dimensional accuracy at high temperatures
  • not electrically insulating
  • good resistance to chemicals

Applications

conveyor systems, mechanical engineering, chemical industry, vehicle-manufacturing industry

Standard colours

black

Premade pieces

enquire

Commonly known brands

TECAPEEK® ST