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Old February 23rd, 2010, 23:20   #43
kullwarrior
 
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Join Date: Jan 2008
Location: Edmonton, AB, Canada
hmm for those people want to know...
Green Gas is dangerous, its less smelly
Propane is dangerous, and its really really smelly
HFC134a is relatively safe, but dont huff it.
R-22 is stable, but Ozone killer properties
R-410A is safe, stable, don't smell much, but its high pressure. (People are actually looking at this one)

For those people who don't know, R-410A is a successor to R-22, it has higher pressure at SATP though. This can be ordered in bulk, however no one has order it yet. It is thought to be the best winter gas as at 0 it has the slightly higher pressure (+10-20 psi) than propane.
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Last edited by kullwarrior; February 23rd, 2010 at 23:26..
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