StudweldPro-UK
The UK leader in Stud Welding and Refractory products
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The UK leader in Stud Welding and Refractory products
Isofrax® 1260°C Felt is a lightweight, high-performance alkaline earth silicate insulation material manufactured using advanced felting technology. Designed to provide excellent thermal insulation with outstanding flexibility and handling strength, it is ideal for precision-fabricated gaskets, seals and high-temperature insulation components.
Easy to cut, shape and fabricate, Isofrax Felt delivers reliable thermal performance while maintaining excellent mechanical integrity during installation and service. Available in a range of thicknesses and sheet sizes, it provides an efficient insulation solution for demanding industrial applications.
Isofrax Felt combines excellent thermal insulation performance with outstanding flexibility and fabrication characteristics, making it ideal for engineered thermal management, sealing and precision insulation applications.
| Property | Isofrax |
| Classification Temperature | 1260°C |
| Melting Temperature | >1500 |
| Density Range | 170–270 kg/m³ |
| Typical Chemical Analysis (wt. %) | |
| SiO2 | 70.0-80.0 |
| MgO | >18.0-27.0 |
| Trace | <4.0 |
Isofrax Felt is widely used where lightweight thermal insulation materials are converted into fabricated components, thermal seals and high-temperature insulation products for demanding industrial environments.
Isofrax Felt is specified across industries requiring lightweight thermal insulation, fabricated sealing products and reliable thermal management systems operating in high-temperature environments.
Selecting the correct insulation felt is essential for achieving optimum thermal performance, fabrication efficiency and long-term reliability. Factors including operating temperature, fabrication requirements, component geometry and installation conditions should all be considered during material selection.
Our technical team provides support with material selection, fabricated component design and insulation specification, ensuring the most suitable Isofrax Felt grade is selected for your application.
Speak with our technical specialists to discuss your thermal insulation, sealing or fabricated component requirements. We can assist with material selection, thickness specification and application-specific performance guidance for Isofrax Felt.
