CAN ANY ONE HELP,
I NEED TO KNOW WHICH OILS ARE BEST USED WITH:
AMMONIA @-40C
R22 @-15C
R134a @5C

AS AM GETTING ALLOT OF CONFLICTING INFORMATION REGARDING FLOC POINT OF AMMONIA AT THIS TEMP,
ALSO THE R134a SEEMS TO BE STATING SEVERAL DIFFERENT TYPES.
ANY HELP WOULD BE GLADLY RECEIVED.

THANKS

JOHN M