Hardy a rant, you are correct when you say that Fluorinert has no interaction with ozone but that does not mean it is not a green house gas.
This is a direct cut from 3m's product specifications.
"Fluorinert liquid FC-40, a perfluorocarbon (PFC), has a high global warming potential
and a long atmospheric lifetime. As such, it should be carefully managed so as to
minimize emissions."
Im not dissing Fluorinert, it looks like a great product, I find it hard to believe its $500 a gallon great but hell if i had the bucks id probably buy it.
The question is, what is the next best thing?
Idealy it would be a lot cheaper, not require a completly sealed system, to facilitate tweaking, have at least better thermal conductivity than air and minimal residual.
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