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Thread: R-421A Dew Point
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19-05-2017, 02:26 PM #1
R-421A Dew Point
A simple question: R-421A is a blend of R-125 and R-134A. Does the last drop of liquid (vaporizing to dew point/saturated vapor conditions) in an evaporator contain some amount of R-125?
I'm not interested in knowing any quantities, just whether or not, the last amount of liquid vaporizing is still a mixture containing some amount of both components?
Thanks in advance...