Gary;
I recently received my EPA certification for mobile A/C refrigerant. As stated by the EPA the following are ACCEPTABLE substitutes(Subject to use conditions):
HFC-134A (R-134A)
FRIGC (FR-12)
FREEZONE (RB-276)
IKON-12
FREEZE-12
ACCEPTABLE substitutes (But hoses must be Barrier type hoses):
GHG/McCool/AutoFrost-X3/R-406A
GHG-X4/McCool Chill-It/AutoFrost-X4/R-414A
Hot Shot/Kar Kool/R-414B
GHG-HP
GHG-X5
Any Flammable substitue for CFC-12 is UNACCEPTABLE and ILLEGAL to use in the U.S.A. in mobile A/C systems.
The following are UNACCEPTABLE substitutes:
OZ-12 (Due to flammability)
HC-12A (Due to flammability)
DuraCool 12A (Due to flammability)
R-176 (Due to composition)
R-405A (Due to composition)
Hope this helps.
Rodger #5927
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