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Excerpted From: Motor Vehicle Air Conditioning Substitutes for CFC-12
Reviewed Under EPA's SNAP Program as of May 1, 2001
To view the full version, original page, click on:
http://www.epa.gov/ozone/snap/refrigerants/macssubs.html
Acceptable Subject to Use Conditions (2)
Name (1) Date Manufacturer Components
HCFC-
22		 HCFC-
124		 HCFC-
142b		 HFC-
134a		 Butane
(R-600)
(3)		 Isobutane
(R-600a)
(3)		 HFC-
227ea
HFC-134a 3/18/94 Several - - - 100 - - -
FRIGC
FR-12		 6/13/95 Intercool
Distribution
800-555-1442		 - 39 - 59 2 - -
Free Zone/
RB-276
(4)		 5/22/96 Refrigerant Management Services of Georgia
800-347-5872		 - - 19 79 - - -
Ikon-12 5/22/96 Ikon Corp.
601-868-0755

Composition claimed as confidential business information
R-406A/
GHG(5)		 10/16/96 People's Welding
800-382-9006		 55 - 41 - - 4 -
GHG-HP (5) 10/16/96 People's Welding
800-382-9006		 65 - 31 - - 4 -
GHG-X4/
Autofrost/
Chill-It (5)		 10/16/96 People's Welding
800-382-9006
McMullen Oil Products
800- 669-5730		 51 28.5 16.5 - - 4 -
Hot Shot/
Kar Kool (5)		 10/16/96 ICOR
800-357-4062		 50 39 9.5 - - 1.5 -
Freeze 12 10/16/96 Technical Chemical
800-527-0885		 - - 20 80 - - -
GHG-X5 (5) 6/3/97 People's Welding
800-382-9006		 41 - 15 - - 4 40
SP34E 12/18/00 Solpower
888-289-8866

Composition claimed as confidential business information
RS-24 12/20/02 Refrigerant Products Ltd

Composition claimed as confidential business information

 
Unacceptable Substitutes (2)
Name (1) Date Manufacturer Reason
OZ-12® 3/18/94 OZ Technology Flammable blend of hydrocarbons; insufficient data to demonstrate safety
R-176 3/18/94 Arctic Chill Contains CFC-12, which is inappropriate in a CFC-12 substitute
HC-12a® 6/13/95 OZ Technology Flammable blend of hydrocarbons; insufficient data to demonstrate safety
Duracool 12a 6/13/95 Duracool Limited This blend is identical to HC-12a® in composition but is manufactured by a different company
R-405A 6/13/95 Greencool Contains a perfluorocarbon, which has extremely high global warming potential and lifetime

  1. Many refrigerants, including R-401A (made by DuPont), R-401B (DuPont), R-409A (Elf Atochem), Care 30 (Calor Gas), Adak-29/Adak-12 (TACIP Int'l), MT-31 (Millenia Tech), and ES-12R (Intervest), have not been submitted for review in motor vehicle air conditioning, and it is therefore illegal to use these refrigerants in such systems as an alternative to CFC-12.

  2. See text for details on legality of use according to status 

    • Acceptable Subject to Use Conditions 

      • Regarding fittings, labeling, no drop-in, and compressor shutoff switches.

    • Unacceptable; illegal for use as a CFC-12 substitute in motor vehicle air conditioners

  3. Although some blends contain flammable components, all blends that are Acceptable Subject to Use Conditions are nonflammable as blended.

  4. Freezone contains 2% of a lubricant

  5. HCFC-22 content results in an additional use condition: must be used with barrier hoses
    Last updated on Thursday, June 6th, 2002
    URL: http://www.epa.gov/ozone/snap/refrigerants/macssubs.html