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Sealing of anodize

How can I seal or close the pores after anodizing in aluminium?

Vicente Espinoza-Cantu
- Monterrey, Nuevo León, México

Immersing in boiling water for half an hour is often a good way. But if the anodized object is a skyscraper, that may prove impractical.

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