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source for self etching primer
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<blockquote data-quote="Diesel Dan" data-source="post: 190099" data-attributes="member: 5177"><p>Heres the way I understand it. The etching primer has some sort of acid or additive in it to cut through the oxide on the aluminum and get down to the real aluminum. Seems like I heard that all metal oxidizes because it is a reaction to the oxygen in the air but for some reason aluminum is really bad about it. That i guess is why you cant use regular primer because it will be sticking to the aluminum oxide instead of the aluminum itself and the aluminum oxide wont stand up to abuse. Sounds good anyway. Someone who really knows what their talking about will probably be along in a minute to correct me but thats the best answer I got for now.</p></blockquote><p></p>
[QUOTE="Diesel Dan, post: 190099, member: 5177"] Heres the way I understand it. The etching primer has some sort of acid or additive in it to cut through the oxide on the aluminum and get down to the real aluminum. Seems like I heard that all metal oxidizes because it is a reaction to the oxygen in the air but for some reason aluminum is really bad about it. That i guess is why you cant use regular primer because it will be sticking to the aluminum oxide instead of the aluminum itself and the aluminum oxide wont stand up to abuse. Sounds good anyway. Someone who really knows what their talking about will probably be along in a minute to correct me but thats the best answer I got for now. [/QUOTE]
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source for self etching primer
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