Description / Abstract:
The purpose of this SAE Recommended Practice is to provide
criteria for determining the acceptability of candidate retrofit
refrigerants to replace CFC-12 (R-12) in mobile A/C systems
originally designed to use CFC-12 (R-12).
SAE J1657 2011 Edition, April 1, 2011
Selection Criteria for Retrofit Refrigerants to Replace CFC-12 (R-12) in
Mobile Air-Conditioning Systems