Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ
The authoritative public forum
for Metal Finishing since 1989
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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
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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