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/R-414A)
and GHG-HP are also included in this final rule.
NO CFCs - formula by weight %: R-22/R-142b/R-600a
NONFLAMMABLE as formulated, only weakly flammable after worst
Performs equal to or BETTER THAN R-12.
Monroe Airtech Question
& Answer Sheet on Autofrost (Adobe Acrobat
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
CANNOT BE VENTED (in the USA) - must be recovered (contains
DO NOT USE IN R-134a systems. PAG or Ester (POE) oils may