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. Text or Adobe Acrobat (PDF) formats
of this final rule from the EPA homepage. GHG-X4 (AutoFrost/Chillit)
and GHG-HP are also included in this final rule.
Technical
help - 1-888-AUTOFROST (1-888-288-6376). Ask for code 10 [service provided
by MEA]
NONFLAMMABLE, even after leaking. UL classified "practically nonflammable" (same
as R-22)
Performs equal to or R-12.
Question and Answer sheet for Autofrost-X4
GHG-X4 initial thermodynamics and other
technical info.
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.
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.