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  2. Intumescent - Wikipedia

    en.wikipedia.org/wiki/Intumescent

    These intumescent materials produce a light char which is a poor conductor of heat, thus retarding heat transfer.Typically the light char consists of microporous carbonaceous foam formed by a chemical reaction of three main components: ammonium polyphosphate, pentaerythritol, and melamine. [2]

  3. Pyrophoricity - Wikipedia

    en.wikipedia.org/wiki/Pyrophoricity

    The creation of sparks from metals is based on the pyrophoricity of small metal particles, and pyrophoric alloys are made for this purpose. [2] Practical applications include the sparking mechanisms in lighters and various toys, using ferrocerium; starting fires without matches, using a firesteel; the flintlock mechanism in firearms; and spark testing ferrous metals.

  4. Colored fire - Wikipedia

    en.wikipedia.org/wiki/Colored_fire

    Colored fire is a common pyrotechnic effect used in stage productions, fireworks and by fire performers the world over. Generally, the color of a flame may be red, orange, blue, yellow, or white, and is dominated by blackbody radiation from soot and steam.

  5. NFPA 704 - Wikipedia

    en.wikipedia.org/wiki/NFPA_704

    The development of NFPA 704 is credited to the Charlotte Fire Department after a fire at the Charlotte Chemical Company in 1959 led to severe injuries to many of the firefighters. [4] [5] Upon arrival, the fire crew found a fire burning inside a vat that firefighters assumed to be burning kerosene. The crew tried to suppress the fire, which ...

  6. Fire triangle - Wikipedia

    en.wikipedia.org/wiki/Fire_triangle

    The fire triangle or combustion triangle is a simple model for understanding the necessary ingredients for most fires. [1] The triangle illustrates the three elements a fire needs to ignite: heat, fuel, and an oxidizing agent (usually oxygen). [2] A fire naturally occurs when the elements are present and combined in the right mixture. [3]

  7. List of R-phrases - Wikipedia

    en.wikipedia.org/wiki/List_of_R-phrases

    Extreme risk of explosion by shock, friction, fire, or other sources of ignition R4 Forms very sensitive explosive metallic compounds R5 Heating may cause an explosion R6 Explosive with or without contact with air R7 May cause fire R8 Contact with combustible material may cause fire R9 Explosive when mixed with combustible material R10 Flammable

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