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My buddy W says I should just use a small air compressor, and hold it about a foot away, but i'm kinda worried about that damaging something.
The "air" in the canned air is actually R134a, the freon replacement.
Instead of being vaguely toxic and an ozone depleter, it's vaguely toxic and a greenhouse gas.
Wikipedia said:Despite the name "canned air," the cans actually contain gases that are much easier to compress into liquids, such as difluoroethane, trifluoroethane, or tetrafluoroethane. Hydrocarbons, like butane, were often used in the past, but their flammability forced manufacturers to use fluorocarbons.
Chemical hazards:
R134a vapours decompose when
exposed to high temperatures with the
formation of toxic and irritating compounds such
as hydrofluoric acid, carbon monoxide and
carbonyl fluoride.