I only have experience with Loctite/Multicore RM10 dispensing paste 
and one of their stencilling pastes.
With the dispensing paste, I've had no problem with stuff that has been 
constantly refrigerated for months. However, taking it out, bringing up to 
room temp and then putting it back in the fridge does start to take its toll 
after a few cycles. It also doesn't last long in the sun. 
The stencilling paste seems to stay good forever, regardless of 
temperature.

Steve.

==============================================

On 19 Feb 2005 at 9:52, Vic Fraenckel wrote:

> I would like to use SMT paste solder in syringe form for my modest PCB
> construction. I understand that this stuff has a shelf life which can
> be prolonged by refrigeration. My local distributer can supply this to
> me from Kester, but I need to buy 5 tubes at a time. The price per
> tube is good, ~6 bucks/tube. I would like to know what is a practical
> (not theoretical) refrigerated shelf life for this? Is there a better
> place to purchase it? Is it a crazy idea?


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