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Topic: Difluoroethane used to replace R-134a as refrigerant?  (Read 4005 times)

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Offline Nehmo

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Difluoroethane used to replace R-134a as refrigerant?
« on: July 17, 2014, 08:59:34 AM »
This vid https://www.youtube.com/watch?v=xmQRB64CHKA advocates using Dust Off, which contains difluoroethane, rather than the usual and more expensive R134a in a vehicle air conditioning system. Nthefastlane, the vid uploader, claims it works just as well and is safe.
So, is difluoroethane a reasonable alternative to R134a? Would there be any reason to not use it? And if so, why is it not more popular?

Offline mjc123

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Re: Difluoroethane used to replace R-134a as refrigerant?
« Reply #1 on: July 17, 2014, 10:55:23 AM »
I don't know, but I see that "The Society of Automotive Engineers (SAE) has proposed 1,1,1,2-tetrafluoroethane (HFC-134a) to be best replaced by a new fluorochemical refrigerant HFO-1234yf (CF3CF=CH2) in automobile air-conditioning systems." http://en.wikipedia.org/wiki/1,1,1,2-Tetrafluoroethane

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