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Old August 16th, 2006, 22:40   #5
MadMax
Delierious Designer of Dastardly Detonations
 
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Join Date: Dec 2001
Location: in the dark recesses of some metal chip filled machine shop
I think the huffing might be a side issue. Difluoroethane is a fair bit cheaper than tetra so suppliers are switching to it as a cost reduction measure.

Refrigeration industry still depends on HFC134a for automobiles as they cannot use flammable HFC152a (difluoroethane) so the various industries are picking their favourite fluorocarbons.
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