I wonder if you filled the air space with nitrogen or Co2 if it would help to keep the glue from curing? I think it's the o2 in the air that makes it cure--so if you could displace the o2 with an inert gas--maybe it would extend the shelf life????????[:-]
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It's the moisture in the air or substrate that fires CA. Put a drop on a piece of metal some time. It takes forever to cure. I expect that inert gas would extend storage, but only if it was dry, too. The freeezer is handy and doesn't cost any extra.