Thermal cardboard is an asbestos free sheet material composed mainly of aluminium oxide (approx. 34 %), silicon oxide (approx. 44 %) and organic binders (approx. 12 %). Designed to replaced the formerly used asbestos paper. 

Properties:

• Brittle material, easy to cut;
• Shrinkage: after 24 hours at 1000 °C - 2.6 %;
• Combustion losses: 19.1 %;
• Thermal resistance at:
  • 400 °C - 0.10 W / m * K
  • 600 °C - 0.11 W / m * K
  • 800 °C - 0.13 W / m * K
  • 1000 °C - 0.14 W / m * K
• Operating temperature: up to 1100 ^oC;
• Colour: greyish white.

Intended use:

Suitable for insulation of drying equipment, cylinders, electric arcs, welding flashlights, burners, steam generators (boilers), ovens, boilers and flammable furniture.

Do not use for open flame, only for thermal insulation.

Dimensions:

• Length x width: 1000 x 1000 mm
• Thickness: 3 mm; 4 mm; 5 mm; 6 mm; 8 mm; 10 mm