Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - Do you need etching primer under featherfill primer?
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Old 10-17-2003, 06:12 PM
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Etch primer is used for corrosion protection and not as a primer/surfacer like the feather fill. It "bites" into the metal and helps primers adhere correctly. Consult the spec sheets for the feather fill. It will tell you if an etch coat primer is recommended under it.
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