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burns your skin - CO2 + H2O = carbonic acid, but it is right there with
argon as far as thermal conductivity.

Gliviak, Jozef wrote:
> 
> Hello list,
> 
> I've seen interesting discussion about using CO2 for dry suit inflation on
> our local tech-diving conference. I'd like to ask you if you have any
> experience or knowledge why this gas is not used widelly as Argon is.
> It's isolation characteristic is better than Argon and price is extremly
> low.
> 
> I know that there is one issue - CO2 in pressure higher than 50Bar changes
> in to liquid and during expansion consumes lot of heat - it is necessary to
> find a solution to prevent regulator freezing.(which as far as I know exist
> - ask any paintball player :-)
> 
> Regards
> 
>   Jozef Gliviak
>   Slovakia
> --
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