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Rattle Can or Brush on Self Etching Primer?
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<blockquote data-quote="kfa4303" data-source="post: 253837" data-attributes="member: 7274"><p>Hello again all. To answer a few of your questions; you can use lots of different products to wipe down the hull in prep for primer. Tri-Sodium Phospate (TSP), Acetone, 50/50 mix of water and white vinegar are all good choices and all being organic solvents, ultimately perform the same function of removing grease and other oils from the hull (organic chemistry 101: "like dissolves like"). Also, while it certainly won't hurt anything to sand the new aluminum in preparation for primer and paint, the Zinc Chromate SELF ETCHING primer will do the job all on its own, hence the term "Self-Etching". ZC-SE primer is actually a dilute acid that eats tiny pits into the surface of the metal thus allowing better adhesion of primer and paint. A little goes a long way, so you only want/need a light dusting of primer on the bare metal. Cheers!</p></blockquote><p></p>
[QUOTE="kfa4303, post: 253837, member: 7274"] Hello again all. To answer a few of your questions; you can use lots of different products to wipe down the hull in prep for primer. Tri-Sodium Phospate (TSP), Acetone, 50/50 mix of water and white vinegar are all good choices and all being organic solvents, ultimately perform the same function of removing grease and other oils from the hull (organic chemistry 101: "like dissolves like"). Also, while it certainly won't hurt anything to sand the new aluminum in preparation for primer and paint, the Zinc Chromate SELF ETCHING primer will do the job all on its own, hence the term "Self-Etching". ZC-SE primer is actually a dilute acid that eats tiny pits into the surface of the metal thus allowing better adhesion of primer and paint. A little goes a long way, so you only want/need a light dusting of primer on the bare metal. Cheers! [/QUOTE]
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Boat House
Rattle Can or Brush on Self Etching Primer?
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