What is the shelf life of R-22 Freon?
Answer:
Freons were selected as refrigerants for thermodynamic reasons (pressure and temperature, etc.) but also because they are highly stable chemically. The shelf life of R-22 would depend on storage considerations and possibly any oils mixed with the freon.
Uhh, forever?
until it develops a leak
*In india it is licensed upto 2040.Why do you want to stock it from now?
*R & D is going on and substitutes are available.R-134/a is having almost same properties.
*As far as self life is concerned , keep it under controlled temperature and filling/unloading valve is to be keep blinded.
Over a period of time o rings may get deteriorated,so it is wise to enclosed the ports of valve.
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