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Thread: need a source of cold air
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17-05-2006, 03:17 AM #1
need a source of cold air
I need a source of cold air for an application I'm designing. What's the easiest and simplest way to achieve this?
I cannot use freeze spray since tetraflouroethene is heavier than air and can displace air in the lungs.
I cannot use any gas that depletes the ozone layer.
I cannot use any gas that is toxic or have any harm to humans.
The temperature of the gas coming out of the tank (or canister) must be colder than -10 F
The gas must be able to be stored in a tank/canister in liquid form for a significant amount of time without must leaking and has no pressure problems as long as the ambient temperature is not too hot.
Any gas that satisfy all those requirements? Thanks a bunch.
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