At 20:59 6/1/2000, Jim Cain wrote: >I mentioned Freeze 12 to my mechanic today and he had never heard of >it. Granted, he is not an Air Conditioning specialist, but What >exactly is Freeze 12? Is it an offshoot of Freon 12? > >It was put into my unit last year in Texas and I am going to need a >new compressor so need to find out about it. I think it's a "cocktail" refrigerant, i.e one made by mixing two or more refrigerants together. I think there are at least a dozen such mixtures. Advantages of these may include performance and price; disadvantages are that they are unfamiliar to mainstream shops, and that the mixture could potentially be altered over time by settling and leakage, different migration rates through seals and hoses, and suchlike things. Ken Wilford thinks the Freeze 12 stuff is dandy and has had good luck with it, although I think only a year or so experience so far. The automotive A/C shop interessengruppe in this country shudders at the very mention of any mixed refrigerant, citing the impossibility of knowing the actual composition at the time of servicing a unit, as well as the need for redundant equipment and so forth. http://www.technicalchemical.com/new/tips/1215.htm http://www.technicalchemical.com/new/tips/1205.htm http://www.freeze12.com/techsup.htm david David Beierl - Providence, RI http://pws.prserv.net/synergy/Vanagon/ '84 Westy "Dutiful Passage" '85 GL "Poor Relation" |
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