Re: R134 conversion?
I'm running freeze 12 and it works great! I pay $9.00 a can and have to use my refrigerent license to buy it since EPA started targeting stores selling it. You can do an R134 conversion without changing the o-rings now as long as the o-rings haven't been disturbed, this is why the kit comes without o-rings. I've completed over 100 conversions without changing the o-rings and haven't had any of them return unless the compressor went out or a hose leak from normal wear and tear. I was just lazy on the Syclone and wanted some A/C to get me home the other day so I put the freeze 12 in. There was talk about oil incompatibility issues when the conversions first started stating that ester oil mixed with regular refrigerent oil for R12 would emulsify causing the oil to gel up. I haven't seen this on conversions either but I'll perform a complete line flushing including draining the drier and then I'll put the recommended amount of PAG oil back in the system. Back to the freeze 12, there were issues with this stating that it contains propane which is highly flamable and people were afraid a leak would cause there vcehicle to catch on fire.
It says on the can that it's non-flamable, EPA approved and I haven't found anything in the MSDS to be health threatening except for this:
Chemical Stability: Stable under normal temperatures and pressures.
Conditions to Avoid: Do not expose to heat or store at temperatures above 120 F.
Materials to Avoid: Avoid contact with acidic, basic or oxidizing agents. Avoid contact with alkali or alkaline earth metals.
Hazardous Decomposition Products: Carbon monoxide. Carbon dioxide.
This material can be decomposed by high temperatures forming hydrofluoric acid and possibly carbonyl fluoride.
Hazardous Polymerization: WILL NOT OCCUR
I'm sure the HF concentrations would be low but we use the acid in a manufacturing process called "alkylation," which is increasingly important in producing a high-quality gasoline. Hydrofluoric acid is hazardous and corrosive and, if accidently released, can form a vapor cloud. If released and made contact with the skin it can only be neutralized with calcium glucanate which comes in a gel form or injection to keep it from eating away your bones. I've seen some training films on this stuff and it's pretty wicked! I still ran the freeze12..............
