Freeze 12 is a replacment for R12. They are not the same thing. How well Freeze 12 works, I cannot say.
water is the refrigerent.
R-12
Freeze12 would be only one that I would recommend.........
134a is the refrigerent used
Personally I don't think so, but that's just my opinion
R134a is the current alternative to R12. I have found Freeze12 put out by AutoRefrigerants.com. They say no retro-fitting is needed.
Refrigerants contain CFC's. These CFcs are the chemicals that react with ozone and destroy it.
what is the a/c refrigerent capacity of a 1998 rover mini
If you don't know where refrigerent goes in your car's A/C system, take it to someone who does.
Its helps in oil return if the refrigerent line is too long
regulates the flow of liquid refrigerent which is sufficient to maintain or attain the set leaving temperature
AFTER YOU CONFIRMED THEIR ARE NO LEAKS , YOU MUST USE A VACUUM PUMP WITH A MICRON GAUGE TO ACHIEVE A 500 MICRON READING.