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EUROPEAN STANDARD European Standard EN 13501-1 provides the reaction to fire classification procedure for all products and building elements. According to this Standard, reaction to fire is the response of a product in contributing by its own decomposition to a fire to which it is exposed, under...

DIN EN 13501-1: Fire Test to Building Materials - Fire classification of construction products and building elements-Part1: Classification using data from reaction to fire tests. B, s1, d0 is the best for combustible materials.