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PEEK

GEHR PEEK®

Polyetheretherketone can be used at very high temperatures (about +260 °C) and it shows an extraordinary mechanical strength, toughness, hardness, flexural strength, torsional strength. PEEK exhibits excellent chemical resistance, very good dielectric properties up to +260 °C and a very good resistance to all kinds of radiation (even ultraviolet rays only lead to a slight yellow discolouration of its self-extinguishing properties according to UL 94.

Properties:

  • very high mechanical strength
  • very high rigidity (also at low temperature)
  • very high thermal stability
  • very high creep resistance
  • very high dimensional stability
  • very high radiation resistance
  • very high hydrolysis resistance
  • relatively low notch impact-strength
  • low resistance to acetone

Application:

Bearing shells, piston rings, valve seats, gears, seals, aviation, cog-wheels, pump vanes, fittings, plug connectors for thechromatography, wafer carriers, semiconductor industry.

GEHR PEEK-mod®

Reinforced with 10% of each PTFE, graphite and carbonfibre. Very good friction and wear and tear properties.

GEHR PEEK-30GF®

Reinforced with 30% glass fibre.

 

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