hi i have used p40 on a whole but its not gone off it is hard but sticky is this ok as i have never used p40 before. i know i put enouth hardener in it as its nice and pink.
(i was going to heat it with a heat gun to see if it helps it go off or will it be still a little tacky after 3 day)

if its gone pink you put too much hardener in it, should be white.

Yup. Should have gone off 2 and a half days ago

Put a thin skim of P38 over it and rub it down, it's not going to go anywhere

P40 should go off in about 20 mins and fully flattable in 30 mins

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Originally posted by Peteff
Put a thin skim of P38 over it and rub it down, it's not going to go anywhere

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