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Total 7 documents matching your query.

1. [Amps] Surface Cleaning Tarnished Aluminum (score: 1): Author: "w2cqm@juno.com" <w2cqm@juno.com>; Date: Tue, 24 Apr 2007 11:44:41 GMT; I'd like to clean a pocked marked air variable aluminum capacitor by etching the surfaces. Is there some commercial or hombrew product I could use to dip the component and achieve that result? Any su; /archives//html/Amps/2007-04/msg00243.html (6,445 bytes)
2. Re: [Amps] Surface Cleaning Tarnished Aluminum (score: 1): Author: Vic K2VCO <vic@rakefet.com>; Date: Tue, 24 Apr 2007 08:49:39 -0700; I've done this by taking the capacitor apart and using 400 and 800-grit sandpaper, such as is used for automobile finishing, followed by polishing on a buffing wheel. Although lye will etch aluminum,; /archives//html/Amps/2007-04/msg00250.html (7,118 bytes)
3. Re: [Amps] Surface Cleaning Tarnished Aluminum (score: 1): Author: "k7rdx" <k7rdx@charter.net>; Date: Tue, 24 Apr 2007 09:38:54 -0700; If you treat the aluminum with a caustic chemical to clean,remove pits,etc.You MUST polish to a high shine if you want to maintain it`s voltage breakdown rating.Rough aluminum is like two sharp surfa; /archives//html/Amps/2007-04/msg00251.html (9,159 bytes)
4. Re: [Amps] Surface Cleaning Tarnished Aluminum (score: 1): Author: "Robert Bonner" <rbonner@qro.com>; Date: Tue, 24 Apr 2007 11:40:31 -0500; I thought we covered this last week. You don't want to use LYE on aluminum unless you want it to GO AWAY. It dissolves it, acid works more controlled. Lye would cause more pits. You are probably bett; /archives//html/Amps/2007-04/msg00252.html (9,999 bytes)
5. Re: [Amps] Surface Cleaning Tarnished Aluminum (score: 1): Author: Larry <larry@w7iuv.com>; Date: Tue, 24 Apr 2007 10:18:08 -0700; I gotta jump in here. Lye, if used with a bit of intelligence, does not "dissolve" aluminum. At least not any more then you would want to in the first place. I use the stuff all the time on aluminum; /archives//html/Amps/2007-04/msg00253.html (9,585 bytes)
6. Re: [Amps] Surface Cleaning Tarnished Aluminum (score: 1): Author: "k7rdx" <k7rdx@charter.net>; Date: Tue, 24 Apr 2007 11:06:30 -0700; A much diluted batch of muriatic acid eches alum really well,followed by rinse in water. Also works really well for cleaning silver plated parts,ceramic tubes,etc...Dip in/out fast depending on dilut; /archives//html/Amps/2007-04/msg00258.html (11,178 bytes)
7. Re: [Amps] Surface Cleaning Tarnished Aluminum (score: 1): Author: "Barrie Smith" <barrie@centric.net>; Date: Tue, 24 Apr 2007 14:02:00 -0600; aluminum controlled. polishing kid, This technique would raise the capacitance as well, wouldn't it? Barrie Then you rough surface wouldn't matter. to re-anodized in _________________________________; /archives//html/Amps/2007-04/msg00266.html (12,421 bytes)

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