[ARC5] Satin finishing aluminum

[Roy Morgan]

At 11:43 PM 10/26/02 -0400, you wrote:
>Does anyone know how aluminum was processed to achieve the satin finish 
>typical
>of ARC-5s and similar WW II gear?


Caustic etch and clear irridite.

>How about restoring such a finish?

Do  not attempt this at home.

Roy

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