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Sealing quality affect the anti-corrosion performance & surface appearance of anodized coating on aluminum




How does the sealing quality affect the anti-corrosion performance and surface appearance of anodized coating on aluminum?

Clayton Kam
- Macau, China
2001


If the parts are poorly sealed the corrosion resistance is not very good as well. Test sealing by ink test. Put a blob of writing ink on the part and allow to stand for approx. 1 minute. Wash off and see if there is a stain - a small amount of rubbing with a cloth can be used and a mild cleaner. If the parts are poorly sealed you will have a stain you can not remove.

Martin Trigg-Hogarth
Martin Trigg-Hogarth
surface treatment shop - Stroud, Glos, England
2001


If your anodized parts are not well sealed, the surface itself become sticky. If the surface is well sealed, the anti-corrosion properties increases to a some degree.

S. Y. Yuen
- Hong Kong, China
2001




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