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FE-13, or trifluoromethane, is another response
to the phase out of Halon. Originally developed as a
chemical refrigerant, FE-13 works by raising the total
heat capacity of the environment. Its molecules at the
flame front absorb heat from a fire – much the same way
a sponge absorbs liquid – until the atmosphere will not
support combustion.
FE-13 is a gaseous agent, leaving no residue
behind to damage sensitive equipment. It also does not
require labor-intensive clean-up operations. It is
chemically and biologically unreactive, and safe for use
in occupied areas. |