ILO Home
Go to the home page
Site map | Contact us Franšais | Espa˝ol

CISDOC database

Document ID (ISN)24113
CIS number 75-1827
ISSN - Serial title 0015-2684 - Fire Technology
Year 1974
Convention or series no.
Author(s) McHale E.T.
Title Life support without combustion hazards.
Bibliographic information Feb. 1974, Vol.10, No.1, p.15-24. Illus. 4 ref.
Abstract Fire research has shown that combustion can be prevented by increasing the heat capacity of the atmosphere. This can be effected by addition to the air of perfluorocarbons such as carbon tetrafluoride (CF4), hexafluoroethane (C2F6) and octafluoropropane (C3F8), which being physiologically inert permit life to be sustained; they can also be used to extinguish existing fires. On account of the production of toxic decomposition products by C2F6 and C3F8, however, only CF4 appears acceptable from the toxicity standpoint for use in habitable atmospheres.
Descriptors (primary) inerting; fluorinated hydrocarbons; fire prevention; breathing atmosphere; work in confined spaces
Descriptors (secondary) hexafluoroethane; tetrafluoromethane; octafluoropropane; bromotrifluoromethane; fire spread limitation; pyrolysis products; extinguishing agents; toxicity evaluation; flammability testing
Document type -
Subject(s) Fire and explosions
Broad subject area(s)
Browse category(ies) Confined spaces
Halogenated hydrocarbons