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Rattle Can or Brush on Self Etching Primer?
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<blockquote data-quote="PSG-1" data-source="post: 253729" data-attributes="member: 6937"><p>I have used the Rust-O-Leum self-etching primer on a few things, like the aluminum frame for the windshield in my boat, and it has held up, no paint flaking, etc.</p><p></p><p>But as far as metal that would be in constant contact with the water, I'd spend the extra money and get the zinc chromate. When I re-painted my jetboat about 2 years ago, I bought a quart of the interlux zinc chromate, it was a 2-part mix, and I sprayed it on the boat with the HVLP.</p><p></p><p>It's important to remember not to put on TOO thick of a layer of primer when doing aluminum, what you really need is a 'fog coat' that faintly covers the aluminum, and feels rough to the touch...this rough texture provides the 'tooth' necessary for good adhesion of paint.</p></blockquote><p></p>
[QUOTE="PSG-1, post: 253729, member: 6937"] I have used the Rust-O-Leum self-etching primer on a few things, like the aluminum frame for the windshield in my boat, and it has held up, no paint flaking, etc. But as far as metal that would be in constant contact with the water, I'd spend the extra money and get the zinc chromate. When I re-painted my jetboat about 2 years ago, I bought a quart of the interlux zinc chromate, it was a 2-part mix, and I sprayed it on the boat with the HVLP. It's important to remember not to put on TOO thick of a layer of primer when doing aluminum, what you really need is a 'fog coat' that faintly covers the aluminum, and feels rough to the touch...this rough texture provides the 'tooth' necessary for good adhesion of paint. [/QUOTE]
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Rattle Can or Brush on Self Etching Primer?
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