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Metal Anodization



2002

I would appreciate you help me on this need. I've seen your web site and it makes me write for help. My question is about aluminium anodization. How can I get a light violet color while anodizing aluminium? Is there any lamp reflector or another thing I can use? Thank you a lot for your time.

Regards,

L. Acosta M.
electronics - Havana, Cuba


2002

I did not understand the reference to a lamp reflector, although aluminum is often bright dipped and then anodized as a way of making lamp reflectors. The way to get a light purple color reflector would be to bright dip, sulfuric acid anodize, dye, and seal the parts. Remember that a lot of aluminums are alloys but only aluminum per se will bright sip and anodize. So good reflectors require an aluminum grade that is fairly pure. Good luck.

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

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