Yes it is a blend, however it does work just as well as R-12 and the
pressures are much lower than R-134a (like the R-12 pressures).  I have
not found that the blend loses potency over time as some have predicted
or that it gets less effective as you have to recharge the system over
years and years.  This sounds like a possibility but my experience with
this product says otherwise.

Thanks,
Ken Wilford
John 3:16
http://www.vanagain.com
http://www.strictlyvwauctions.com
http://www.eurovan.org
http://www.vwcabrio.org
Phone: (856)-327-4936
Fax: (856)-327-2242

-----Original Message-----
From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf
Of Doug in Calif
Sent: Thursday, June 17, 2004 10:03 AM
To: vanagon@GERRY.VANAGON.COM
Subject: Freeze 12 is 80 percent 134a

Some are claiming it cools no better than 134 a for this reason.

It is also not a good idea to mix 134 with R12

Doug

  ----- Original Message -----
  From: Scott Norville
  To: vanagon@GERRY.VANAGON.COM
  Sent: Thursday, June 17, 2004 6:44 AM
  Subject: Re: Non R134a refrigerants are flammable right?

  Freeze-12 is not flammable, I can't speak for the others. My Westy is
now
  Freeze-12 with the front AC addition--I've never been so cool in it.