background As the HVACR industry continues to move away from R-22 due to regulatory pressures, Arkema’s Forane ® 427A refrigerant (R-427A) has proven itself as an excellent retrofit candidate for air conditioning and refrigeration applications. R-427A is an easy to use, non- ozone depleting HFC refrigerant, which, in addition to having comparable performance to R-22, has one of the lowest global warming potentials of any R-22 retrofit r

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