For many years, hydrofluorocarbon (HFC)-134a was the alternate refrigerant of choice to replace chlorofluorocarbon (CFC)-12 in many medium- and high-temperature stationary refrigeration, air ...
EDITOR’S NOTE: The Air-Conditioning, Heating, and Refrigeration Institute has issued a white paper titled “Reports of R-134a Contaminated with R-40 and Other Refrigerants.” That paper follows.
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