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TECAPEEK natural

PEEK unfilled

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Polyetheretherketone (PEEK) - TECAPEEK natural is a high performance, high temperature, semi crystalline thermoplastic manufactured by Ensinger and may use Victrex® PEEK 450 or Solvay‘s KetaSpire® KT-820 polymer. The most well known and important member of the polyaryletherketone group combines excellent wear, and very good mechanical properties, even under thermal load. Outstanding chemical resistance and a high operating temperature (up to 260°C) round out its profile, and make TECAPEEK an almost universally appropriate material for highly stressed parts.
Its excellent dimensional stability combined with high creep stability, supports the suitability of PEEK for the most sophisticated machined parts. Ensinger manufactures PEEK plastics in various shapes such as PEEK rod, PEEK plate and PEEK tube.

As with all Ensinger PEEK materials, we can confirm that TECAPEEK natural meets the limitations imposed by RoHS Directive 2011/65/EU Restriction of Hazardous Substances in electrical and electronic equipment.

Compliances

Facts

Chemical designation
PEEK (Polyetheretherketone)
Colour
beige
Alternative colours available
black
Density
1.31 g/cm3

Main Features

  • good heat deflection temperature
  • good machinability
  • inherent flame retardant
  • resistance against high energy radiation
  • good slide and wear properties
  • high creep resistance
  • very good chemical resistance
  • hydrolysis and superheated steam resistant

Target industries

chemical technology
mechanical engineering
energy industry
electronics
food technology
oil and gas industry
aircraft and aerospace technology
automotive industry
semiconductor technology
vacuum technology

Downloads

Datasheet (PDF)
Product handling (PDF)

Technical details

  • product-technical-detail-collapse-item-0-lvl-1
    Mechanical properties Value Unit Parameter Norm
    Modulus of elasticity
    (tensile test)    		 4200 MPa 1mm/min DIN EN ISO 527-2
    Tensile strength 116 MPa 50mm/min DIN EN ISO 527-2
    Tensile strength at yield 116 MPa 50mm/min DIN EN ISO 527-2
    Elongation at yield (tensile test) 5 % 50mm/min DIN EN ISO 527-2
    Elongation at break (tensile test) 15 % 50mm/min DIN EN ISO 527-2
    Flexural strength 175 MPa 2mm/min, 10 N DIN EN ISO 178
    Modulus of elasticity
    (flexural test)    		 4200 MPa 2mm/min, 10 N DIN EN ISO 178
    Compression modulus 3400 MPa 5mm/min, 10 N EN ISO 604
    Compression strength 23/43/102 MPa 1% / 2% / 5% EN ISO 604
    Impact strength (Charpy) n.b. kJ/m2 max. 7,5J DIN EN ISO 179-1eU
    Notched impact strength (Charpy) 4 kJ/m2 max. 7,5J DIN EN ISO 179-1eA
    Shore hardness 89 D DIN EN ISO 868
  • product-technical-detail-collapse-item-1-lvl-1
    Thermal properties Value Unit Parameter Norm
    Glass transition temperature 150 C DIN EN ISO 11357
    Melting temperature 341 C DIN EN ISO 11357
    Heat distortion temperature 162 C HDT, Method A ISO-R 75 Method A
    Thermal conductivity 0.27 W/(k*m) ISO 22007-4:2008
    Specific heat 1.1 J/(g*K) ISO 22007-4:2008
    Service temperature 300 C short term NN
    Service temperature 260 C long term -
    Thermal expansion (CLTE) 5 10-5*1/K 23-60°C, long. DIN EN ISO 11359-1;2
    Thermal expansion (CLTE) 5 10-5*1/K 23-100°C, long. DIN EN ISO 11359-1;2
    Thermal expansion (CLTE) 7 10-5*1/K 100-150°C, long. DIN EN ISO 11359-1;2
  • product-technical-detail-collapse-item-2-lvl-1
    Electrical properties Value Unit Parameter Norm
    surface resistivity 1015 Ω Silver electrode, 23°C, 12% r.h. -
    volume resistivity 1015 Ω*cm Silver electrode, 23°C, 12% r.h. DIN IEC 60093
    Dielectric strength 73 kV/mm 23°C, 50% r.h. ISO 60243-1
    Resistance to tracking (CTI) 125 V Platin electrode, 23°C, 50% r.h., solvent A DIN EN 60112
  • product-technical-detail-collapse-item-3-lvl-1
    Other properties Value Unit Parameter Norm
    Resistance to hot water/ bases + -
    Flammability (UL94) V0 listed (value at 1.5mm) DIN IEC 60695-11-10;
    Resistance to weathering - -
    Water absorption 0.02 - 0.03 % 24h / 96h (23°C) DIN EN ISO 62

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