Hightech-Insulation Material for extreme loads

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Ranges of application

Typical applications of GL® P are in thermal high stressed presses and punch units, in the glass making industry, in welding plants and in extrusion dies.

Special material characteristics

  • very high continuous usage temperature
  • very high compressive strength
  • excellent insulation effect


The grade GL® P offers a higher usage temperature than other glass fibre reinforced thermosetting materials. Compared to fibre cement materials GL® P can be used for applications with higher mechanical loads.

Temperature resistance (short-term) 800 °C 1472 °F
Temperature resistance (long-term) 500 °C 932 °F
Thermal conductivity 0.31 W/mK 0.18 btu/ft h °F
Coefficient of linear expansion 10·10-6 10·10-6
Compressive strength (room temperature) 330 N/mm2 47862.5 psi
Flexural strength 120 N/mm2 17404.5 psi
Compressive strength (200°C) 240 N/mm2 34809.1 psi

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This finishig process was especially developed for the highest requirements on precision.