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INCH-POUND
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‘ivfIL-F-24385F
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7 January ”1992
SUPERSEDING
MI L-F-0024385 E(SH)
30 November 1990
MI L-F-24385D
260ctober 1989
MILITARY SPECIFICATION
FIRE EXTINGUISHING AGENT, AQUEOUS FILM-FORMING FOAM (AFFF)
LIQUID CONCENTRATE FOR FRESH AND SEA WATER
This specification is approved [or use by all departments and agencies of the
Department of Defense.
L SCOPE
1.1 Scope. This specification covers Lhe requirements for aqueous film-forming foam (AFFF)
liquid concentrate fire extinguishing agents consisting of fluorocarbon surfactants and other
compounds, as required, to conform to this specification. At the time of use they shall be diluted
with fresh or sea water to form a fire-extinguishing solution. Certain proportioning equipment may
produce AFFF solutions of extreme concentrations; requirements for such concentrations are
specified herein.
1.2 Classification. Concentrates shall be of the following types, as specified (see 6.2):
Type 3 – To be used as three parls concentrate to ninety-seven parts water by volume
solution
Type 6 – To be used as six parts concentrate to ninety-four parts water by volume solution.
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Beneficial mmmenrs (recnnrmendatiorrs,additions, deletions) and any pertinent data which may bc of usc in improving
this document should be addressd [o Commander, Naval Sea SPtorrs Command, SEA 5523, Deparrmcnl of the
Nay, Wastriaglm, DC 20362-5101 by using lhe self-addressedStandmdmtion Documem Improvement Propaal (DD
Form t426) appearing at the end of this dceument or by letter.
AMSC NIA
FSC 4210
DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.
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