THERMAX® is a brand of TechnoPhysik Group
INDUSTRIAL HEATING TECHNOLOGY
THERMAX® SF (1100 °C) boards:
Quality boards with classification temperature 1100 °C
THERMAX® SF (1100 °C) boards:
Quality boards with classification temperature 1100 °C
Applications for THERMAX® SF high temperature boards: Industrial furnaces, stoves, petrochemical industry, aluminium smelting, glass processing, household appliances, electric heat and gas heating industry.

Technical specifications
THERMAX® boards SF (1100 °C) | SF 400 | SF 450 | SF 600 | SF 750 | SF 850 | |
---|---|---|---|---|---|---|
Classification temperature | °C | 1100 | 1100 | 1100 | 1100 | 1100 |
Density ± 5% | kg/m3 | 400 | 475 | 625 | 750 | 850 |
Cold compressive strength | N/mm2 | 1.5 | 2.5 | 4,0 | 6.0 | 6.5 |
Modulus of rupture | N/mm2 | 0.8 | 1.2 | 2.5 | 4.5 | 5.0 |
Thermal conductivity (at a medium temperature W/mK) | 200 °C 400 °C 600 °C | 0.14 0.16 0.18 | 0.15 0.17 0.19 | 0.16 0.18 0.20 | 0.18 0.20 0.21 | 0.20 0.22 0.23 |
Thermal shrinkage (1100 °C/12h) | % | < 2.0 | < 2.0 | < 2.0 | < 2.0 | < 2.0 |
Thermal expansion, linear (20 – 700 °C) | % | 0.9 | 0.9 | 0.9 | 0.9 | 0.6 |
Specific heat capacity | kJ/kg K | 1.15 | 1.15 | 1.15 | 1.15 | 1.15 |
Standard dimensions (in mm) (1) | length width thickness | 1000, 2440, 3100 1250 20 – 80 | 1000, 2440, 3100 1250 15 – 80 | 1000, 2440, 3100 1250 20 – 50 | 1000, 2440, 3100 1250 8 – 40 | 1000, 2440, 3100 1250 20, 25, 30 |
Plane parallelism +/- | mm | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 |
Colour | beige | beige | beige | beige | beige |
We are able to supply special formats and special thicknesses on request. We will be pleased to manufacture stampings, milled parts or cuttings according to your drawings.
The classification temperature is not to be equated with the maximum application temperature, in particular when physical conditions such as tensile or pressure loads are involved. For applications as high-temperature insulation, lower temperatures must always be applied. In these cases, our Engineering department will offer assistance and support.
Heat transmission calculations for this material can be requested from our Engineering department.