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The HFC-227ea fire suppression agent was the first non-ozone-depleting replacement for Halon 1301. [citation needed] In addition, HFC-227ea leaves no residue on valuable equipment after discharge. [2] HFC-227ea contains no chlorine or bromine atoms, presenting no ozone depletion effect. Its atmospheric lifetime is approximated between 31 and 42 ...
Halon systems are among the most effective and commonly used fire protection systems used on commercial aircraft. Halon 1301 is the primary agent used in commercial aviation engine, cargo compartments, and auxiliary power unit fire zones. [9] [10] Efforts to find a suitable replacement for Halon 1301 have not produced a widely accepted replacement.
Bromochlorodifluoromethane (BCF), also referred to by the code numbers Halon 1211 and Freon 12B1, is a haloalkane with the chemical formula C F 2 Cl Br. It is used for fire suppression, especially for expensive equipment or items that could be damaged by the residue from other types of extinguishers. [ 1 ]
Since the early 1990s manufacturers have successfully developed safe and effective Halon alternatives. These include DuPont's FM-200, American Pacific's Halotron, FirePro's FPC Compound, Plumis’ Automist and 3M's Novec 1230 Fire Protection Fluid. Generally, the Halon replacement agents available today fall into two broad categories, in-kind ...
HFC-125 is a non-ozone depleting replacement for chlorine- or bromine-containing chemicals such as Halon 1301. Due to its global warming potential (GWP) of 3500 times that of CO₂ and atmospheric lifetime of 29 years, it is included in the list of controlled substances of the Montreal Protocol .
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However, Halon 1301 fire suppression is not completely non-toxic; very high temperature flame, or contact with red-hot metal, can cause decomposition of Halon 1301 to toxic byproducts. The presence of such byproducts is readily detected because they include hydrobromic acid and hydrofluoric acid , which are intensely irritating.
Halon may refer to: Haloalkane, or halogenoalkane, a group of chemical compounds consisting of alkanes with linked halogens (in particular, ...