Azeotrope-like Compositions for Refrigerant (R-500 Series)

ASHRAE* Number	Component 1	Component 2
R-500	74% CFC12	26% HFC152a
R-501	75% HCFC22	25% CFC12
R-502	49% HCFC22	51% CFC115
R-503	60% CFC13	40% HFC23
R-504	48% HFC32	52% CFC115
R-505	78% CFC12	22% HCFC31
R-506	45% CFC114	55% HCFC31
*R-507	50% HFC125	50% HFC143a
R-508A	39% HFC23	61% FC116
R-508B	46% HFC23	54% FC116
R-509	46% HCFC22	54% FC218

* ASHRAE is abbreviation of America Society of Heating, Refrigerating and Air-conditioning Engineers