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REFRIGERATION EQUIPMENT AND AIR-CONDITIONERS

Substitutes for CFC-13, R13B1 or R503 while refrigerating till very low temperatures:

Substitutes of chlorofluorocarbons (class I ODS)
Substitutes
(name used in federal register)
Trading mark Substituted compound Retrofit/New
HFC-23 MackFri®-23 12, 13, 13B1, 503 R, N
R-403B Isceon 69-L 13, 13B1, 503 R, N
R-508A (PFC blend Alpha) Klea 5R3 13, 13B1, 503 R, N
R-508B Suva 95 13, 13B1, 503 R, N
Carbon dioxide   13, 13B1, 503 R, N
NARM-502   13, 13B1, 503 R, N
HFE-7100 auxiliary heat-transmitter in not-in-kind systems   13, 13B1, 503 N
HFE-7200 auxiliary heat-transmitter in not-in-kind systems   13, 13B1, 503 N

R = Retrofit Uses (retrofit - substitution of the refrigerant without replacement of the equipment)
N = New Uses (only with new equipment)

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