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Reply to "An interesting fire suppression system"

The site had an MSDS. The agent is Hexafluoropropane a liquified gas.  The byproduct of combustion is Hydrogen fluoride which is (according to Wickipedia):


"Hydrogen fluoride is a highly dangerous gas, forming corrosive and penetrating hydrofluoric acid upon contact with tissue. The gas can also cause blindness by rapid destruction of the corneas."  Then a little dab of H2O and....

" Aqueous hydrofluoric acid is a contact-poison with the potential for deep, initially painless burns and ensuing tissue death. By interfering with body calcium metabolism, the concentrated acid may also cause systemic toxicity and eventual cardiac arrest and fatality, after contact with as little as 160 cm2 (25 square inches) of skin."

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Last edited by Roy
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