Classification of the fire reaction of construction materials
AITEX evaluates the Fire Reaction rating of all kinds of textile and construction materials, in accordance with the European Standard UNE EN 13501-1:2007.
This European Standard establishes 7 ratings: A1, A2, B, C, D, E and F; which define the contribution of a material to a fire, with A1 being the best possible rating. These ratings are complemented with two additional parameters:
- Smoke opaqueness: s1 (low), s2 and s3 (high).
- Dripping or falling of alight particles: d0 (none), d1 and d2 (dangerous)
A material is classified depending on its final application.
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