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Advanced Agent Identification and Preliminary Assessment.
Final rept. Jan-Nov 95,
NEW MEXICO ENGINEERING RESEARCH INST ALBUQUERQUE
Pagination or Media Count:
In 1993, production of halon fire and explosion protection agents was phased and to date, no Halon 1301 substitute has been identified to provide total-flood protection against fires and explosions in normally occupied areas without major changes in system hardware. The objective of this study was to assess the probability of success and to determine the most promising directions for development of new chemical alternatives to Halon 1301. The Advanced Agent Working Group, a militaryindustry users group, was formed and a research program initiated to review technology on fire and explosion suppression and chemical families to select and analyze chemicals and chemical families for use as Halon 1301 replacements to assess the potential of the identified chemicals and to determine prospects for a Halon 1301 replacement. The most promising non-halocarbon compounds are the phosphorus compounds particularly phosphorus nitrides, bromine-substituted silicon and siloxane compounds, and transition metal compounds. A number of these non-halocarbon materials are solids or high boiling point liquids however, many of these appear to have sufficiently high vapor pressures that they could volatilize completely. Carriers such as hydrofluorocarbons HFCs and hydrofluoroethers HFEs may be necessary in some cases.
APPROVED FOR PUBLIC RELEASE