Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - Couple of base coat/clear coat questions
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Old 04-14-2006, 10:00 AM
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Follow up

We are using OMNI AU MBC base coat, their "fast" reducer and their clear. We have 22 percent humidity and I am painting in "thin" air at about 7500 feet above sea level. Sheet from PPG says 5 - 10 minutes between base coats at 70 degrees. Should I wait longer or do folks think it will flash quickly.

I bought a new Devilbiss FLG-653G-13 FinishLine 3 HVLP gun with 3 tips. Sheet calls for 1.3-1.5 mm tip. Is there any suggestion on which tip may work best for the base coat? Should I go smaller for the clear coat?

For the clear, it says 20 minutes minimum, 24 hours maxiumum under "air dry". I assume this means time between coats, but if it is more than 24 hours, would need to rescuff?

Says 7-10 psi at the air cap. This is the first time I have painted with an HVLP gun. Any pointers on air pressure?

Thanks for your help.

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