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 -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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