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Aluminum Front Surface Mirror

What is the most economical method of preparing an aluminium surface for metallizing. I would like to apply a first surface mirror on an aluminium flat.

Henry Younce
Optical Devices - Oakley, California, USA
2003

I'm not involved in the telescope industry so I'm only guessing, but I think you would mechanically polish the mirror, then electropolish it, then electroless nickel plate it, then vacuum metallize a pure aluminum coating onto it.

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey

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