I thought cryocyanulate or whatever it is, wouldn't dry out, so to
experiment I left a tube on a shelf, forgot about it for a month then found
it, and promptly poured a big pile all over the floor, where it dried.
I actually have a tube that I've been using for about a year now. Look for
the tube with the "easy drop" (?) system. You pull the cap off and there is
a tip in the end of the tube that presses in. You simply press the tip
against what you are repairing and you get a small amount out automatically.
I'll second that. I also find that keeping it in a zip-lock bag with as much
air as possible removed, in the freezer, greatly extends the lifespan once
the seal is broken. I get a couple of years out of them that way. Plus, I
never have to hunt for the silly thing.
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