[Milsurplus] Re: [armyradios] Satin finishing aluminum

Sun, 27 Oct 2002 11:33:03 -0600

It is dipped into a tank of strong caustic solution.  This leaves a satin 
surface.  Don't leave it in too long as it will dissolve completely.
Sodium hydroxide was used in the aluminum plant I worked in followed by 
boiling water rinse.
73  Gary

At 11:43 PM 10/26/02 -0400, J. Forster wrote:

>Does anyone know how aluminum was processed to achieve the satin finish 
>typical
>of ARC-5s and similar WW II gear?
>
>How about restoring such a finish?
>
>TIA,
>-John
>
>
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Gary Pewitt  N9ZSV  [email protected]
6120 W. Calumet Rd. Apt 204
Milwaukee, WI  53223-4132
Sturgeon's Law "90% of everything is crap"

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