Luxembourg-based flexible technical insulation provider Armacell is set to launch the first closed-cell insulation material, designed to offer greater fire safety for railway passenger vehicles.

The new product, Armaflex Rail SD, which will be launched at the Railtex exhibition next month in Birmingham, UK, is claimed to be the first to meet the Hazard Level 2 classification according to EN 45545.

This closed-cell insulation material with anti-microbial Microban technology protects pipes against energy losses and condensation, providing significant contribution to the high level of fire safety required in rail vehicles.

The flexibility of the material also offers an extremely fast and easy installation, the company stated.

"Armaflex Rail SD’s smoke development is ten times lower than that of a standard elastomeric insulation product."

With the new synthetic rubber, this new product offers better fire protection. It is a highly flexible elastomeric foam, which provides good fire properties and extremely low-smoke density, achieving an excellent Euroclass BS1 D0 rating for insulation tubes.

Armaflex Rail SD’s smoke development is ten times lower than that of a standard elastomeric insulation product.

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According to Armacell, features such as low-thermal conductivity and high-resistance to water vapour diffusion allow the installation of the product with reliable long-term protection against energy losses and condensation.

In this product, the resistance to water vapour diffusion is built up throughout the entire insulation thickness unlike the conventional materials, which need to be protected against moisture penetration by a separate vapour barrier.

The new product is available in different insulation thicknesses for a complete range of tubes, sheets, self-adhesive sheets and tape, Armacell said.

Image: Armaflex Rail SD technical insulation for increased fire protection in railway vehicles. Photo: courtesy of Armacell UK.