Fire Extinguishers

http://www.amerexfireextinguishers.com/Halotron1_MSDS_1_.pdf

"Use of this material in confined spaces when personnel are present is acceptable only if the volume of the space is sufficiently large"

"Inhalation of high concentrations of vapor may cause central nervous system effects such as dizziness, drowsiness, anesthesia, or unconsciousness"
"At concentrations of 20,000 ppm or higher, HCFC-123 may causes increased sensitivity of the heart to adrenaline which might cause irregular heart beats and possible ventricular fibrillation or death"

"Eye contact:
May cause irritation, tearing, or blurring of vision, which result in part due to the cooling effect of HCFC-123 evaporation"

That's Halotron, one of the Halon replacements. Good for some things, not so good for others.




Here is the MSDS for Halon 1301:

https://kidde-fenwal.com/Media/MSDS/Fenwal_Halon1301_02092012.pdf

The main risk is from freezing your fingers off if you get hit by the stream.


Inhalation 1-hour LC50(rat) >770,000 ppm (that's 77%!)


Here is the MSDS for Halon 1211:

http://www.wfrfire.com/MSDS/pdf/halonMSDS.pdf
 
According to the manufacturer of Halotron - one Halotron extinguisher has been approved for onboard aircraft use:

http://www.halotron.com/testing2.php

>>>
The FAA onboard approval is based on a combination of agent and hardware.
<<<

>>>
Currently, the Amerex model B394TS is the only approved Halotron I containing hardware for this application.
<<<

I don't know when it was approved, or if others have been approved since. Other brands of extinguishers use Halotron, but this website seem so to imply that only one is "approved". Maybe it was the only one tested?
 
The only FAA requirements that need approvals are for airliners. Approval in my Cessna isn't required but the extinguisher and agent are the same, only smaller.

You guys spend an inordinate amount of effort trying to discredit my extinguisher. Primarily done without adding anything to the discussion. Let's make an agreement. Don't like mine? Don't ride in my plane.

Show us yours.
 
The only FAA requirements that need approvals are for airliners. Approval in my Cessna isn't required but the extinguisher and agent are the same, only smaller.

You guys spend an inordinate amount of effort trying to discredit my extinguisher. Primarily done without adding anything to the discussion. Let's make an agreement. Don't like mine? Don't ride in my plane.

Show us yours.

I'll fly with ya. If I "showed you mine", I'd be banned (but you'd be impressed, lol).
 
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