Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - POR15 Application Questions w/Pics
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Old 01-22-2013, 09:04 AM
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Quote:
Originally Posted by killeratrod View Post
either not prep right or over worked the por15 and made air pockets. it should be self leveling . just my thoughts
I considered that but kind of doubt this is what caused it. The first pieces I POR15 had this same issue and I only applied 1 coat of POR15 to that surface and the bumps were even worse than these pieces.

Quote:
Originally Posted by mitmaks View Post
Did you run cloth/rag over sandblaster surface? That would result in lint being stuck on rough sandblasted metal. Once you apply coating over it, it would look like little bumps (lint under paint)
I used a wet rag to clean the sandblasted metal. I then used a Tack cloth once the metal was dry to make sure there was no contamination on the metal. I am skeptical that these bumps are lint.
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