United States Department of Transportation
The Comparative Extinguishment Performance and Thermal Decomposition Products of Halon Alternative Agents
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1994-12-01
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English
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Abstract:Halon 1301, Halon 1211, and eleven alternative fire-fighting agents were compared for extinguishment effectiveness and thermal decomposition product generation, using a laboratory-scale test apparatus having methane as the fuel. Chemical analysis was conducted using a magnetic sector mass spectrometer with simultaneous measurement of oxygen consumption and carbon dioxide, water, and acid gas production. Chemical mechanisms are advanced to explain how halogenated hydrocarbons extinguish fires. The major conclusion was that the alternative agents were not as effective at fighting fires as Halons and that greater amounts of acid gases were produced during extinguishment. Hydrogen fluoride was found to be the predominant thermal decomposition product for all agents.
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Main Document Checksum:urn:sha-512:61b076cf1a9b31fe8f710553957d72102f0daadd017f41e5d536d45d164d731e36724712b1b92b9630b68c18122e43b920811c915474c4b23be485271dd7e132
File Language:
English
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