SAE J2670 : 2011 Title: Stability and Compatibility Criteria for Additives and Flushing Materials Intended for Aftermarket Use in R-134a (HFC-134a) and R-1234yf (HFO-1234yf) Vehicle Air-Conditioning Systems Pages: 8 Year: 2011 Publisher: Society of Automotive Engineers Availability: Within 1-2 working days