Duplicolor engine enamel primer...how long to wait - Sportbikes.net
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post #1 of 3 (permalink) Old 03-18-2010, 09:05 AM Thread Starter
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Duplicolor engine enamel primer...how long to wait

Hey guys. I put the primer coat of Duplicolor engine enamel yesterday and I was wondering when I should put the final coat of color on top of it. Do I need to wait the 7 days for the primer to cure or is it ok to put the color coat on over the primer today and let it all cure for 7 days?

Thanks for any help.
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post #2 of 3 (permalink) Old 03-18-2010, 10:07 AM
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No, you need to wet sand it and re apply. Also...what did you paint? Metal? Plastic?

A good primer coat should always consist of a few good coats. Wet sanding takes all the rough surface off.

Ohhhh I almost forgot the MOST important part! If you plan to use Duplicolor primer, make sure you use Duplicolor for everything paint/clear related. It will stick better than a mix of krylon/duplicolor.
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post #3 of 3 (permalink) Old 03-18-2010, 12:54 PM
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you only need to wait till it's done flashing (solvents have dried) about 15min at 70 degrees.to apply another coat.

wait about 3-4 hrs(depending on the coats and outside temps) to start wet sanding the primer. I personally wait at least 24 hrs before I wet sand the primer. then dry it off really well. and it's ready for color

that's how we do it a the body shop. but I only use automotive grade paints on bodywork.
if you are painting a engine or something, just let it flash off for an hour or two and spray your color.

Last edited by serpentracer; 03-18-2010 at 12:59 PM.
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