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Aluminum white stain problem

Q. My company always faces the problem of white stain formation on the aluminum parts surface when it is store for some period. Can I know how to solve this problem by reducing the occurrence of white stain formation? And what chemical solvent is suitable to be used to clean the parts which are affected with no hurting the aluminum surface visual look?

Thanks.

Frankie TDK
Metal stamping industry - Johor Bharu, Johor, Malaysia
2004

A. Aluminum corrodes, Frankie. Only by clearcoating it or anodizing it can you stop the white corrosion products from forming. Good luck.

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
December , 2006

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