Just FYI, I’ve done variations on this theme with various polyacrylate glues and borax, and there are some weird long term effects that aren’t advertised in all these “howto”'s
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The opaque glues (elmer’s white etc…) tend to continue to very slowly polymerize. You’ll probably get a month or two of your fun slime pending ambient temperature, but then it starts to firm up, and eventually you get a soft non-flowing solid.
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the clear glues (glitter glue etc…) tend to do the exact opposite. The slowly de-polymerize after a few months, reverting back to a somewhat gluey state. Haven’t tried to re-polymerize a batch of de-polymerized slime to see if it’s possible.
