Is the gas used in halon fire suppression systems lighter or heavier than air?

Answer 1

The vapor density is 5.8 times that of air
MSDS
http://www.kidde.com/utcfs/ws-384/Assets/KIDDE_Halon1211_01152007.pdf

Answer 2

Halon won't harm or kill you, although it is an irritant and publicity for long quantity of time isn't reported. in my view, i think of Halon could be used, besides as EPOS hoods. regrettably, the quantity of funds this might cost the airways might placed lots of them out of commercial company. yet another protection function which may be mandatory is a nitrogen gas scrubbing gadget. It makes the two the gas tank inage and ullage lots greater secure. The FAA's very final record on the 747 that went down off the coast of long island in 1996 grew to become into that something interior the gas tank sparked ignition. This would not have occurred with an aspiscrubbing gadget. in addition to, the present C-5 twist of destiny at Dover AFB might have been a techniques worse if the airplane did no longer have aspriscrubbing. The airplane probably might have exploded upon consequence. C-5 A fashions have a halon hearth extinguishing gadget and all C-5s are geared up with gas scrubbing structures.

Answer 3

Heavier, it has to be to push 02 out and starve fire.