I spin mine in a covered plastic container 2 small light bulbs and let temp get up to 85 to 90 but no more. Usually dry to the touch in 5 or 6 hours. I let them dry till next day 24 hours. No handling them. I then put on other coat. No scratching. I used to but way better results with no touching. If you need to wait longer I would put them aside and let them dry for several days then wipe them down with iso alcohol and apply second coat. It dries to a much harder finish than e tex . Epoxy is the worst part of plugbuilding. A PIA so pick something and stick with it. Each time it gets easier and more consistent. My 2 cents.
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