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Gary Fritz
 
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wrote:
a cure process where the polyurethane/acrylic does it's
crosslinking bit and releases it's primary solvent, usually one of
the slower alcohols. this takes a few days, during which it
becomes harder and more chemically inert. once this is complete
new layers no longer bond chemically, and witness lines and
delamination start to become problems.


Hmm. So it's been almost 24 hrs since the last coat. Am I going to
regret it if I add another coat 24-48 hrs after the last coat?