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Paint prep question, HELP!
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<blockquote data-quote="PSG-1" data-source="post: 234268" data-attributes="member: 6937"><p>There probably are other primers that work, but at the factory, when they paint aluminum boats, 9 times out of 10, they use ZC primer, in case the boat is used in saltwater. The rate of oxidation is so severe in saltwater, there are very few coatings that will stick to aluminum.</p><p> </p><p> If you ever sand through the paint layers on a johnboat, you can see there is a layer of green or yellow primer underneath. This is zinc chromate.</p></blockquote><p></p>
[QUOTE="PSG-1, post: 234268, member: 6937"] There probably are other primers that work, but at the factory, when they paint aluminum boats, 9 times out of 10, they use ZC primer, in case the boat is used in saltwater. The rate of oxidation is so severe in saltwater, there are very few coatings that will stick to aluminum. If you ever sand through the paint layers on a johnboat, you can see there is a layer of green or yellow primer underneath. This is zinc chromate. [/QUOTE]
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Paint prep question, HELP!
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