AutoFrost (GHG-X3 / R-406A) Features

Substitute for R-12 in almost all cases

Substitute for R-500 in most instances also.

NO OIL CHANGE required - uses standard R-12 mineral oils or AB

US EPA SNAP "acceptable" for most all stationary/transport (cargo) refrigeration NOW

EPA acceptable NOW for Cars (MVAC) use. EPA has reviewed the application and found R-406A acceptable for automotive use subject to "use" conditions (unique fittings, barrier hoses, etc) Published in the Federal Register Oct 16, 1996, effective date 11/15/96. Text or Adobe Acrobat (PDF) formats of this final rule from the EPA homepage. GHG-X4 (AutoFrost-X4/Chillit) and GHG-HP are also included in this final rule.

NO CFCs - formula by weight %: R-22/R-142b/R-600a 55/41/4

Technical help - 1-888-AUTOFROST (1-888-288-6376). Ask for code 10 [service provided by MEA]

NONFLAMMABLE as formulated, only weakly flammable after worst case leakage

Performs equal to or BETTER THAN R-12.

Monroe Airtech Question & Answer Sheet on Autofrost (Adobe Acrobat PDF format)

About 95% less Ozone Depleting and 88% less Global Warming than R-12 R-406A ODP is 0.0553 (per pound) or 0.0442 (per system, only 80% as much as R-12 is used). R-12 ODP is 1.0. GWP is based on halocarbon GWP, 100 yr ITH.

MUST be charged into system as liquid to prevent composition change

CANNOT BE VENTED (in the USA) - must be recovered (contains HCFCs)

DO NOT USE IN R-134a systems. PAG or Ester (POE) oils may be destroyed.

Autofrost Compatibility issues