R-407C

R-407C

R-407C

Mixture used as a refrigerant

R-407C is a mixture of hydrofluorocarbons used as a refrigerant. It is a zeotropic blend of difluoromethane (R-32), pentafluoroethane (R-125), and 1,1,1,2-tetrafluoroethane (R-134a). Difluoromethane serves to provide the heat capacity, pentafluoroethane decreases flammability, tetrafluoroethane reduces pressure.[1] R-407C cylinders are colored burnt orange.

This refrigerant is intended as a replacement for R-22. R-22 production will be phased out by 2020 as per the Montreal Protocol.[2]

Physical properties

More information Property, Value ...

References

  1. [1]
    A brief history of refrigerant Archived 2011-07-18 at the Wayback Machine
  2. [2]
    "Unwrapping The Mystery Of R-407C". www.achrnews.com. Retrieved 27 June 2016.


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