Research progress on the application of CF3I in substituting airborne Halon


	fire-extinguishing agent

Abstract

Abstract:

The airborne Halon fire-extinguishing agent in aircraft has been restricted in production and phased out within a

specified period by international conventions due to its ozone depleting effects. Trifluoroiodomethane (CF3I) is

considered as one of the most promising Halon alternatives due to its comparable efficiency of fire-extinguishing

to Halon, low ozone depletion potential (ODP) and global warming potential (GWP). However, concerns regarding

its cardiac sensitization have limited its usage to uninhabited areas. In this work, the feasibility study of CF3I replacing airborne Halon fire-extinguishing agent is firstly sorted out. Then, the current research progress on the

design of CF3I fire-extinguishing system is summarized. Finally, the research direction of airborne CF3I fire-extinguishing device is prospected. This study has important practical significance for the research and development

of domestic large aircraft Halon replacement technology and fire-extinguishing equipment.

Key words:

airborne fire-extinguishing agent, trifluoroiodomethane (CF3I), Halon substitution, fire-extinguishing system

CLC Number:

V259

CUI Wenyao.

Research progress on the application of CF3I in substituting airborne Halon

fire-extinguishing agent

[J]. Journal of Civil Aviation University of China, 2025, 43(4): 10-14.

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Research progress on the application of CF3I in substituting airborne Halon

fire-extinguishing agent

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