Lenzing, a leading manufacturer of man-made cellulosic fibres, is exhibiting its Lenzing FR fibre, as a complete solution for applications in firefighter protective clothing, at Interschutz, the largest international venue for experts in fire protection and the emergency services, which takes place in Hannover, Germany, this week.

Each layer of Lenzing FR offers protection and comfort, the company reports. The protective fibre, created on a cellulose basis, is said to protect firefighters from heat stress as a result of heat accumulation, one of the most frequent reasons for failures in emergency service deployment.

Lenzing FR, a complete solution for firefighter clothing. © Lenzing

With the conception of different layers of fabric, Lenzing FR can offer a tailor-made concept based on the respective application. Due to its naturalness, the Lenzing FR fibre is also said to guarantee the very best moisture absorption and breathing properties through all of the layers in which it is used.


Tests confirm the effectiveness of Lenzing FR, according to the manufacturers. Compared to other commonly used protective clothing, protective clothing with Lenzing FR shows that second and third degree burns can be reduced by up to 30%. In particular, the cracking of fabrics is reduced or even prevented.

In physiological tests, Lenzing FR was able to demonstrate that the fibre works most effectively in layers. The best values are obtained when the test person is wearing materials, which are both flame-retardant and absorptive.

Lenzing FR is available in a variety of colours for different emergency forces. © Lenzing

The breathing properties of Lenzing FR lead to a lower body temperature and the fire fighter has a higher performance profile as a result. The added performance amounts to 16 Watts.


Lenzing FR is available in a variety of colours for different emergency forces and is thus used extensively in international protective clothing.

The fibre is particularly appreciated in countries with a very hot climate. Optimum moisture regulation is a matter of survival there, the company reports.

Integrated flame protection

The flame-retardant fibre, Lenzing FR, is known as a skin-friendly protective fibre, according to Lenzing. It is used in numerous working areas as the optimum protection against sources of heat.

Unique heat insulation properties combined with permanent flame retardancy make Lenzing FR the Heat Protection Fibre. Due to the naturalness of Lenzing FR, which is made of wood, it is said to provide good moisture management, reducing the risk of deadly heat stroke.


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