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PE

GEHR PE-HD®

Polyethylen has a good chemical resistance to almost all acids and bases, detergents and hot water. PE has good insulation properties and is easy to weld. The operating temperature is from -50 °C to +90 °C.

Properties:

  • low density
  • high toughness (also at low temperature)
  • high elongation
  • very good electrical and dielectric properties
  • very low water absorption
  • low steam permeability
  • high chemical resistance
  • good protection against stress cracking
  • food safe
  • soft surface (low tensile strength)
  • HF welding not recommended
  • natural color is not weather resistant

Applications:

Transport containers, pumps and valve parts, parts in the tank construction, components with medical applications, gaskets, sliding profiles, components for the food industry.

GEHR PE-ELS® (electrically conductive)

A variant of PE-HD with improved electrical conductivity.
Volume resistivity ≤ 104 Ω x cm
Surface resistivity ≤ 105 Ω

GEHR PE-UHMW®

The ultra high molecular weight Polyethylen has a high abrasion resistance (very good glide characteristics) and a high toughness at the same time. The chemical and the crack resistance are optimised in comparison to the standard PE-HD. The operating temperature of PE-UHMW is from -150 °C to +90 °C.

Properties:

  • low density
  • high toughness (also at low temperature)
  • high elongation
  • very good electrical and dielectric properties
  • very low water absorption
  • low steam permeability
  • high chemical resistance
  • good protection against stress cracking
  • food safe
  • soft surface (low tensile strength)
  • HF welding not recommended
  • natural color is not weather resistant

Applications:

Pumping and valve parts, gaskets, glide profiles, parts for the food industry.

 

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