Cure time before handling epoxy painted panels?

T

Thomas Luba

I am painting panels in SPI epoxy. I did the first side yesterday. Two heavy coats unreduced. The temps were in the 75 to 80 range and humidity about 75% while painting and for a few hours following. I've had a lot of issues with rusting after blasting near the pinch welded seams so I ran a dehumidifier overnight getting it down 30%. It's been about 20 hours and I can still mark it with a fingernail relatively easily. So now I want to flip the panels and paint the other side ASAP. How much cure time do I need before it is safe to rest the panels on a previous painted side.

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