Technical construction


The resistance wire is wound around a very thin fibreglass core. It is then laid out on a sheet of fibreglass-rein-forced silicone cloth and usually arranged in a symmetrical pattern. If desired, the spaces between the wire runs can be made smaller in some sections of the element in order to achieve a higher output in those areas. Next, a silicone cloth is put on top and the complete element is placed in a vacuum chamber, where all air is removed from it. Lastly, the element is vulcanized under pressure and a high temperature.

Technical data

Dimensions: From 10x10mm (min) to 915x280mm
Thickness: 1.5mm (std) – 0.5mm (min)
Weight: 1.5mm weighs 2.2 kg/m²,
0.5mm weighs 0.65 kg/m²
Operating temperature.: Continuous operation – max 250°C
Surface power: Depending on the operating temperature – see diagram 1.
Sheath temperature.: Depending on the surface power – see diagram 2
Voltage: Max. 480V
Current: Max. 30 Ampere

Maximum surface power “Rule of thumb”

0.75 W/cm² In open air
1.5 W/cm² Glued against metallic surface
2.3 W/cm² Clamped to metallic surface
Max. resistance/cm² 31 W/cm²

Special designs:

  • Built-in thermostats
  • Built-in thermocouples
  • Waterproof element
  • Different voltages
  • Customer specified connection cables
  • Extra thin constructions (0,5mm)
  • Unsymmetrical heat concentration.
  • Barrel heaters.