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Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ

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Anodized finish removal from aluminum

What is the simplest process to remove an anodized finish from aluminum other than sanding it out? Once the finish is removed and buffed to a high luster, what is the best way to protect the shine from corrosion?

Dewey Sammons
- East Point, KY, US

The easiest way is to take it to an anodizing or plating shop which can strip it the right way in chromic-phosphoric acid. Second easiest is oven cleaner ⇦ this on eBay or Amazon [affil links] , but I would not guarantee that an inexperienced user wouldn't dull, pit, and ruin his parts. (Plus it's dangerous). The way to lock in the shine is to anodize again, although a clear lacquer coating may be good enough.

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

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