3. Aluminium fire resistance
Common metals and alloys such as aluminum alloys and steels are classified (note 13) as "MO". This means that, under fire conditions, these materials cannot give rise to combustion (note 14).
Note :
Order of June 30 1983 from the Ministry of the Interior concerning the classification of building materials and their fittings according to their reaction to fire and the definition of test methods.
Note :
aluminum powder (and other metals) behaves in a totally different way, as it is highly flammable due to its fine division. It is a pyrotechnic product.
Under the action of fire, the behavior of aluminum and its alloys is as follows:
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Aluminium fire resistance