Build primer over epoxy timeline and prep

DWinTX

Member
I epoxied my 70 Corvette on Sunday. I am going to be priming with Slick Sand on Friday. The tech sheet says you can cover the epoxy without sanding for up to 7 days. I will be at 5 days, but it's pretty hot and humid here right now (mid 90's with medium to high humidity).

Does heat/humidity have any effect on the 7 day window? Also, what needs to be done, if anything, to prep the epoxy if I don't have to sand? Just blow it off and tack?
 
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