[Jael]

One article mentioned the freon as if it were a culprit in and of itself. Said it was "a very volatile gas".

[Tunehead54]

One article mentioned the freon as if it were a culprit in and of itself. Said it was "a very volatile gas".

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Freon is an inert gas. I do not believe its explosive unless air as explosive if compressed and released suddenly. Freon when compressed and then allowed to expand makes AC work. Why its useful in foam I do not know - all I do know is that they changed the foam insulation formula to be more environmentally friendly - and perhaps less effective in its adhesion and insulatory qualities. FTEM.