Ivan,

Generally speaking, whenever possible,avoid prolonged storage outside.This will
minimize exposer to temperature and moisture extremes.
Exposer to extreme outside low temperature can result in precipitation or separation of
ingredients that are supposed to be in homogeneous solution.Even when brought back to
room temperatures and agitated precipated rosin may not go back into the solution.

Further,You may contact to your supplier for proper storage guidelines for this flux.
I hope it will work.

Ajay Agarwal
MTI de Mexico SA de CV
Guadalajara,Mexico.

Ivan Barrios wrote:

> Recently, the flux we are currently using (Lonco Organo-Flux 3355 Highly active
> halide containing water soluble flux) had very low readings on density.  (0.845
> @ 13C).  It was stored in an outside chemical room, roof covered but the door is
> chai link fence and about 10 ft wide. The temperature got down to +20 F
> overnight, and I am wondering if it would be possible to have the flux and the
> thinner separate at this low temperature, with the thinner floating to the top
> of the container and the flux depositing in the bottom of the barrel.
> Are there any special guidelines I should follow for storage of the flux? (Any
> type, not just this specific one)
> As  continued to use this flux, the readings have gone back to normal, and never
> saw any soldering issues related to flux problems. Any and all answers
> appreciated.
> Ivan Barrios
>
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