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For heated presses, our PRESSTHERM material offers a bespoke solution especially for the wood industry and for rubber production.

To meet the high requirements such as temperature stability, chemical resistance, low thermal conductivity and electrical insulation in the demanding production settings, we developed the PRESSTHERM material, which has been reliably in use for decades.

Aspects such as fire protection, manufacturing costs and low setting behaviour were also considered during the development process.

Long service lives guarantee 24/7 production at constant high temperatures and enormous pressure – the toughest requirements placed on the materials used.

Advantages:

  • High temperature pressure resistance
  • Low heat conductivity
  • Chemical resistance

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Insulating materials for heated presses

PRESSTHERM material properties

  Application temperature
(°C)		 Compressive strength under
increased temperature
(N/mm2)		 Flexural
strength
(N/mm2)		 Thermal
conductivity
(W/mK)		 Setting behaviour
(%)
  Permanent Short term   at °C   at 30 N/mm2 at 70 N/mm2
PRESSTHERM® WD 20 200 210 at 200°C: 260 500 0.21 at 200°C: 1.0 -
PRESSTHERM® WD 23 220 230 at 220°C: 450 600 0.3 - at 220°C: 0.6
PRESSTHERM® WD 23-1 230 250 at 230°C: 320 425 0.23 at 230°C: 0.3 at 230°C: 0.5
PRESSTHERM® WD 25 250 260 at 250°C: 350 400 0.23 - at 250°C: 0.6
PRESSTHERM® WD 25-1 250 260 at 250°C: 340 480 0.23 - at 250°C: 1.0
PRESSTHERM® WD 26 260 300 at 250°C: 200 120 0.22 - at 260°C: 0.7
PRESSTHERM® WD 28 280 300 at 250°C: 350 250 0.31 - at 280°C: 1.6
PRESSTHERM® WD 200 200 220 at 200°C: 190 - 0.24 at 200°C: 2.0 -
PRESSTHERM® WD 280 280 300 at 250°C: 130 - 0.28 at 280°C: 1.2 -
PRESSTHERM® PD 400 400 - - 0.21 - -
PRESSTHERM® GL 500 600 at 200°C: 250 200 0.26 at 260°C: 3.5 -
PRESSTHERM® AG 200 240 - - 0.13 - -

The values listed were determined on standard test specimens. The material properties may deviate from these values depending on the applications and component geometry. Please contact us for precise clarification of the material suitability. Other technical data on request. Subject to technical modifications and errors. 2014 edition.

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Sample Solutions

Solutions - Heat insulation board

Heat insulation board

DOTHERM and ISOCOS offer heat protection plates that are precisely adapted to the respective process requirements in terms of material, compression strength, temperature resistance and dimensional stability.

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