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topic 8995

Titanium post pickling procedure


(2001)

Anyone who can help! After pickling titanium what is the best way to polish it before anodizing.

dotan rom
- Jerusalem, Israel


(2001)

The best is to use electropolishing in salty solutions. You even do not need pickling before - everything will be done together.

anna_berkovich
Anna Berkovich
Russamer Labs
supporting advertiser 
Pittsburgh, Pennsylvania
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(2001)

Try doing your pickle with a nitric :hydrofluoric acid at say 35 % HNO3 and 2 and 1/2 % HF. Machined titanium comes out as bright as a new American ten cent coin. You may not have to polish, or polishing may be easier.

James Watts
- Navarre, Florida


(2001)

Need some clarification. What is the surface finish of the part now? Does the word polish refer to esthetics or a specific RMS value? As a quick guess, perhaps your best method would be hand buffing part. If you have a lot of parts, mass finishing would be more cost effective. I can't make recommendations without answers to first 2 questions.

tony kenton
AF Kenton
Nova Finishing Systems Inc.
Hatboro, Pennsylvania




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