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  2. Firefighting foam - Wikipedia

    en.wikipedia.org/wiki/Firefighting_foam

    Firefighting foam is a foam used for fire suppression. Its role is to cool the fire and to coat the fuel, preventing its contact with oxygen, thus achieving suppression of the combustion. Firefighting foam was invented by the Moldovan engineer and chemist Aleksandr Loran in 1902. [1] The surfactants used must produce foam in concentrations of ...

  3. Twin-agent fire extinguishing system - Wikipedia

    en.wikipedia.org/wiki/Twin-agent_fire...

    A twin-agent fire extinguishing system (TAFES), also commonly referred to as a twin-agent unit (TAU), incorporates the benefits of dry chemical and foam (AFFF or CAFS) fire extinguishing agents. [1] It is most commonly used for AR-FF operations and in industrial areas with high class B hazards.

  4. Perfluorohexanesulfonic acid - Wikipedia

    en.wikipedia.org/wiki/Perfluorohexanesulfonic_acid

    It is used as a surfactant and protective coating in applications such as aqueous firefighting foams, textile coating, metal plating and in polishing agents. [ 5 ] [ 6 ] PFHxS production is slowly being phased out since 3M stopped producing C 6 fluorotelomers in 2002, but production by other companies may be ongoing. [ 4 ]

  5. Fire, explosion, uneven pressure: How firefighting foam may ...

    www.aol.com/fire-explosion-uneven-pressure...

    Firefighting foam tops a roadway catch pool off the side of Great Western Road in South Dennis Wednesday morning across the street from the scene of a storage bay fire on Tuesday. Harwich ...

  6. AFFF - Wikipedia

    en.wikipedia.org/wiki/AFFF

    Aqueous film forming foam, or aqueous fire fighting foam Australian Farmers' Fighting Fund , a body providing financial, legal, and professional assistance to farmers in Australia Topics referred to by the same term

  7. Air pressurized water - Wikipedia

    en.wikipedia.org/wiki/Air_pressurized_water

    APW extinguishers are commonly converted into makeshift CAFS extinguishers by drilling two 1.6–3.2 mm (1 ⁄ 16 – 1 ⁄ 8 in) holes in the pickup tube. The unit is then filled with 5.7 litres (1.5 US gal) of water and Class A foam, aqueous film forming foam (AFFF), film-forming fluoroprotein (FFFP) or commercial detergent is added to the water in a 1% ratio for class A fires and a 3–6% ...

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