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Acetal

GEHR Acetal, Co-Polymer (POM-C)®

Acetal can be used in temperatures rangeing from -58 °F to +230 °F. The high surface strength is only surpassed by a few materials.
POM shows good sliding properties and high resistance to wear and tear because of the high strength and smooth surface. There is a very low risk of stress cracks. POM-C (Co-polymer) exhibits a good thermal stability and a good resistance to chemicals (high resistance to hydrolysis).

Properties:

  • no microporosity
  • high strength
  • high rigidity
  • high thermal stability
  • low water absorption
  • high dimension stability
  • good electrical insulating properties
  • very good sliding properties
  • high resistance to solvents
  • very high resistance to stress cracks
  • not resistant to high-concentrated acids
  • difficult to glue and paint

Applications:

Bearings, fittings, gear wheels, parts for pumps, screws, bobbins, parts for the textile industry, medium for coating lines.

GEHR Acetal-ELS® (electrically conductive) black

Variant of Acetal (Copolymer) with an improved electrical conductivity.
Volume resistivity ≤ 106 Ω x cm
Surface resistivity ≤ 106 Ω

GEHR Acetal-ESD® (antistatic) ivory

Variant of Acetal (Copolymer) with an improved electrical conductivity.
Volume resistivity ≤ 1010 Ω x cm
Surface resistivity ≤ 1012 Ω

Area of application:

Sampler in the pharmaceutical industry

GEHR Acetal FG®

Variant of Acetal (Copolymer) with improved sliding properties for applications with an increased abrasion.
The modified Acetal FG offers in particular additionally a food approval.

  • low coefficient of friction
  • stiffness with load bearing properties
  • dimensionally stable bearing material

Applications:

Bearings, starwheels, timing screws, idler wheels and sprockets.

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