High Temperature


Duratec materials are “technical ceramics” made from calcium silicate. They are formulated without the use of asbestos fibres, and are thermally and electrically insulating materials for high temperature use.

Thermal Properties

Non combustible and free of organic constituents; service temperature 1000C; thermal conductivity decreases with increasing temperature.

Electrical Properties

High arc resistance; high surface and volume resitivity; high tracking resistance.

Mechanical/Chemical Properties

High strength over the full temperature range; machinable to close tolerances; high chemical stability in alkaline media; reactive in acid media; can be impregnated to become hydrophobic.


  • Element supports for the furnace industry
  • Structural insulation within metal forming applications
  • Electrical insulation generally
  • Arc shields in switchgear
  • High strength thermal and electrical separators

Latest News

Alternative to Pyrok

FGF can supply alternative solutions to the Pyrok high performance structural board.

Alternative to Masterclad

FGF can supply an alternative to Masterclad, which is equally as tough and durable high impact strength.


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