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Thixogelled Halon/dry Powder Fire Supressants.

Authors
Tarpley-WB Jr.; Lemon-LH; Tuno-AL
Source
NTIS: PB/82-245937 :46 pages
Link
NIOSHTIC No.
10002469
Abstract
This program was conducted to demonstrate the unique advantages of suppressing methane ignition in underground mines by use of a thixogel fire extinguishing system, which stably suspends dry powder extinguishing agent in thixotropically gelled liquefied gas extinguishant. The project demonstrated thixogel system advantages of (1) the capability to disperse state-of-the-art powders in thixogelled halons, (2) a nonagglomerating stability for dependable expulsion, (3) stability in storage for long shelf life, (4) virtually instantaneous dispersion, (5) expansive cloud formation, (6) reach and reforming ground obstacles, (7) at least twice the extinguishant effectiveness, and (8) compatibility of use with fenwal bottles and MSHA canisters. The demonstration showed the thixogel system to be a superior explosion-fire suppressant for coal face cutters and triggered barriers as well as for motorized equipment, electrical equipment, etc.
Publication Date
19810101
Document Type
CP; Final Contract Report;
Fiscal Year
1981
NTIS Accession No.
PB82-245937
NTIS Price
A04
Identifying No.
OFR 96-82
NIOSH Division
PRC;
Source Name
NTIS: PB/82-245937
Performing Organization
Energy & Minerals Res. Company
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