Substitute for R-134a in almost all
cases, US patent no. 6,056,891 (5/2/00)
required - uses standard R-134a PAG
or POE (ester) oils. DO not use to replace
R-12 or in mineral oil systems.
EPA SNAP listing not required, since this product contains no
ozone depleting substances
and the substance being replaced (R-134a) contains none as well,
it falls outside EPA SNAP
Jurisdiction.
Technical help - 1-888-AUTOFROST
(1-888-288-6376). Ask for code 10 [service provided by MEA]
Performs equal to or R-134a, often 10
degrees F lower duct temps or more.
Question and Answer sheet for Autofrost GHG-X8
Zero Ozone depletion.
Currently, GHG-X8 may be sold to the public without EPA 609
certification, just like R-134a. The EPA is proposing to restrict
the sale of R-134a to certified technicians only, in the future.
GHG-X8 will be restricted to certified technicians when the
R-134a rule becomes effective.
Available this spring/summer time frame. Call Bobbie Burke, ATC,
at 1-800-622-5008.
Autofrost GHG-X8 will replaceAutofrost
GHG-X7. X8 has slightly better performance and COSTS MUCH
LESS to make.
New cars (R-134a) use PAG oils, that may absorb moisture 1,000 to
10,000 times more than the mineral oils used in the older R-12
cars. Moisture entering during system service can easily lead to
corrosion and expensive system failures several months down the
road. GHG-X8 contains Dry-PakŪ system dehydrant from Cryo Chem. Dry-PakŪ reacts
with any moisture found and converts it into a harmless silicone
oil that will not take part in refrigerant breakdown/corrosion
reactions. This may greatly extend system life to many years
instead of a few months due moisture getting in during service.
We have had testing labs measure moisture content in unopened
containers of GM PAG oil and found them to be in the range of
800-900ppm, far more than enough to cause corrosion in just a few
weeks and system failures. Anything over 50-100ppm is trouble.
The moisture standard for refrigerants is 10ppm.
MUST be charged into system as liquid to prevent composition
change
When first charging into an evacuated system at over 80F or so,
high head pressures (340-360 PSIG) and poor cooling may be
noticed. (It will act like an R-134a charge). If this happens,
just take a garden hose or flower watering pot, and pour some
cool water on the condenser/radiator for a few seconds. The head
pressure will often drop to 180 PSIG from 360 PSIG, then rise to
around 220 PSIG after the water has evaporated. The AC ducts
should now be delivering air in the 30's F to low 40's (it will
be in the 60's before wetting the condenser/radiator). This
watering only needs to be done once, to allow the blend to
recombine after being charged into (and partially separated) by
the initial vacuum. Letting the car cool down for a couple of
hours also works.
CANNOT BE VENTED (in the USA) - must be recovered (contains HFCs)
DO NOT USE IN R-12 systems. Mineral oil will not return to the
compressor, failing it.