European Union Agency for Railways

Heat for sustained burning

Product of the time from the start of exposure of a specimen to the arrival of the flame front at a specified position and the incident radiant heat flux corresponding to that position measured on a non-combustible calibration board. Note 1 to entry: The heat for sustained burning is expressed in megajoules per square metre (MJ/m2). Note 2 to entry: The positions are specified in Table 1.
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ISO 5658-2:2006/Amd.1:2011(en)

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ISO
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International Standard
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ISO 5658-2:2006(en) Reaction to fire tests — Spread of flame — Part 2: Lateral spread on building and transport products in vertical configuration

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