Flexible high-temperature insulation
Ceramic Fiber Blanket
Lightweight, needled ceramic fiber insulation for demanding thermal environments.

Product overview
Engineered for demanding thermal environments.
Ceramic fiber blanket is manufactured from spun alumina-silicate fibers and formed into a flexible, resilient insulation blanket. It combines low thermal conductivity with resistance to thermal shock and is available in standard and zirconia-containing grades.
Available specifications are confirmed for each enquiry according to application, quantity and required delivery schedule.
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Product features
- Low thermal conductivity
- Lightweight and flexible
- Resistance to thermal shock
- Low heat storage
- Available in multiple densities and thicknesses
- Asbestos-free composition
Industry use
Typical applications
- Furnace and kiln linings
- Boiler walls, doors and seals
- Pipe and duct insulation
- Petrochemical and process equipment
- Expansion joints and high-temperature gasketing
- Fire protection systems subject to engineering approval
Technical information
Available specifications
Values shown are an overview of the currently available range. Final specification and tolerances are confirmed in the commercial documentation.
| Classification temperatures | 1260°C and 1425°C |
|---|---|
| Available densities | 64, 96, 128 and 160 kg/m³ depending on grade and thickness |
| Standard width | 610 mm |
| Standard thicknesses | 6, 12, 19, 25, 38 and 50 mm |
| Standard roll lengths | 7.30 m, 4.88 m or 3.65 m depending on thickness |
| Colour | White |
| Mean fiber diameter | 2.6–3.4 μm (typical) |
| Thermal-conductivity test method | ASTM C177 |
Selection note: Classification temperature is not the continuous-use temperature. The suitable operating limit depends on application conditions, atmosphere, exposure time and system design.
Product enquiry
Discuss your ceramic fiber blanket requirement.
Include the grade, density, thickness or dimensions, quantity, application and destination port for a more precise response.