EN531 Heat and Flame (Cancelled)

Protective clothing for industry workers exposed to the heat

UNE-EN532 Flammability This standard determines the flame propagation limit in the fabrics. Over the samples of a vertical test method, a perpendicular flame is applied on the fabric during 10 seconds. After this time, the following characteristics are evaluated:

Should not burn up to the upper edge or side edges.
Holes should not be formed.
Incandescence should not appear.
The after flame and after incandescent times should not exceed 2 seconds.

The result is defined with the code A (complies).

UNE-EN367 Convective heat A test sample is exposed to a heat flux of 80 Kw/m2. This flux is measured with a calorimeter in direct contact with the sample. The calorimeter measures in seconds the time that is needed to reach a temperature increase of 24ºC +/- 0,2ºC in the calorimeter.

The result is defined with the code B plus a digit showing the protection level.

UNE-EN366 Radiant Heat A radiant flash of heat with a flux density of 20 Km/m2 is applied on the sample. This test evaluates the time needed for a person to start feeling pain and on the other hand, the time needed to produce second degree burns. The result is defined with the letter C plus a digit showing the protection level.

UNE-EN373 Large molten metal splashes

Molten aluminium. Different quantities of molten metal are poured over a sample that has been placed on a support at a specific angle. The test evaluates the damage made to the fabric and in the PVC film placed behind the fabric to simulate the human skin. The result is defined with the letter D plus a digit showing the protection level.

Molten iron. Different quantities of molten metal are poured over a sample that has been placed on a support at a specific angle. The test evaluates the damage made to the fabric and to the PVC film placed behind the fabric to simulate human skin. In this case, the result is defined with the letter E plus a digit showing the protection level.

<< This pictogram applies for the garments which comply with this standard.