How Long For Primer To Dry Before Painting Car in How To

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How Long For Primer To Dry Before Painting Car. Factors that affect the primer’s sit time A full 3 hours is recommended before sanding.

How Long Does It Take For Primer To Dry at Craigslist
How Long Does It Take For Primer To Dry at Craigslist from ocw.uwc.ac.za

If you block it out the next day, you block it smooth only to have it shrink down later, and when it shrinks it changes shape. But, if you're like me and you just want to be safe, i allow the primer to dry for another 30 minutes after this point before adding a coat of paint (or second coat of primer). You would sand the same way as 2k urethane primer—400 to 600 grit wet.

How Long Does It Take For Primer To Dry at Craigslist

For best results, allow the primer to dry for 1 hour before dry sanding. If any etch primer is used under a conventional primer filler, then one single wet coat is sufficient the etch coat must be dry (resistant to a light fingernail scratch) before continuing with either primer filler or paint. You would sand the same way as 2k urethane primer—400 to 600 grit wet. Wait 12h to cure before masking.