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SAE J 1991-2011 (SAE J1991-2011)
Standard of Purity for Use in Mobile Air-Conditioning Systems ( Stabilized: Aug 2011 )
This document has been declared 'Stabilized' and will no longer be subjected to periodic reviews for currency. Users are responsible for verifying references and continued suitability or technical requirements. New technology may exist. This information applies to refrigerant used to service automobiles, light trucks, and other vehicles with similar CFC-12 (R-12) systems. Systems used on mobile vehicles for refrigerated cargo that have hermetically sealed, rigid pipe are not covered in this document.
Society of Automotive Engineers [sae]