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Posted: 8/6/2017 7:32:52 PM EDT
[#1]
Quoted:
Does Birchwood Casey Aluminum Black protect aluminum from corrosion? Not really any better that the naturally forming aluminum oxide. What are you planning to do? Touch-up, or complete item? |
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Posted: 8/6/2017 7:57:46 PM EDT
[#2]
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Posted: 8/6/2017 8:29:10 PM EDT
[#3]
Quote HistoryQuoted:
Not really any better that the naturally forming aluminum oxide. What are you planning to do? Touch-up, or complete item? 
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Posted: 8/6/2017 8:37:09 PM EDT
[#4]
Quote HistoryQuoted:
Brownells - Aluma-Hyde II http://www.brownells.com/gunsmith-tools-supplies/metal-prep-coloring/paint-finishes/air-cure-aerosol-paints/aluma-hyde-ii-prod1117.aspx |
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Posted: 8/7/2017 7:46:12 AM EDT
[#5]
Quote HistoryQuoted:
I am doing a build. Might as well call it the Hand-Washer 2017 OCD Deluxe. I just noticed a very small flaw in the anodized finish leaving exposed aluminum. It would not be so bad if it was in a place where I could keep an eye on it. I am not worried about looks; this AR will be used. It is the idea of corrosion that I can not see and therefor can not deal with that bothers me. I am planning to use aeroshell 33ms in that area. However, my imagination still runs wild. I should probably go make sure the stove is turned off and all the doors are locked... https://scontent.fphl2-2.fna.fbcdn.net/v/t1.0-9/20664441_476195022741818_2127703090182552740_n.jpg?oh=52c51e0da02e0441880d4847e67ac360&oe=5A342785 Aluminum Black for external touch-up of aluminum is okay. However, on anodizing it can actually cause corrosion if not completely neutralized. If you can't monitor it, I wouldn't do it. Besides, aluminum is pretty good about corrosion, it's the steel that gets sacrificed. |
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Posted: 8/7/2017 2:10:17 PM EDT
[#6]
Maybe I'll just clean it with isopropyl alcohol, heat it with a blow dryer, and dab some Aluma-Hyde II on it with a toothpick.
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Posted: 8/7/2017 2:45:22 PM EDT
[#7]
If you clean it up, just paint it. You can't see it. 7075 alloy aluminum is really pretty good resisting corrosion.
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Posted: 8/7/2017 9:11:55 PM EDT
[#8]
Quote HistoryQuoted:
If you clean it up, just paint it. You can't see it. 7075 alloy aluminum is really pretty good resisting corrosion. |
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