Architectural/Commercial Anodizing

Exploring the: Architectural/Commercial Anodizing Zone

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Published: 12/1/2016

Anodizing Clinic: Measuring Color of Coatings with a Colorimeter
Q. Recently, a company asked us to match its samples so we could do work for them. According to our method, we matched the samples, but they were rejected when they were sent to the company. We were told the samples were out of tolerance. We discove...

Published: 12/1/2016

Anodizing Clinic: Anodic Coating Blistering on 7075 Alloy
Q. We have recently run into a surface condition when hard anodizing 7075 machined forgings. It seems to be present primarily on the end of the part, even down into the hole. Both of these areas are machined. The condition does not appear to be evid...

Published: 11/3/2016

Anodizing: Corrosion on Hardcoat Anodized 7000 Series Forging
Q. I sent you photos of two parts that are alloy 7050 forgings. On these parts there are spots that appeared as a result of Type III (hardcoat) anodizing that were not present before anodizing. They look like corrosion of some sort, but the corrosio...

Published: 5/1/2011

When Black Dye is Not Black
We are sending aluminum extrusions to our outside anodizer for Type II anodize and black dye, and we are encountering several problems, notably that the newly black anodized parts exhibit a greenish tint.

Published: 5/1/2010

What is the Correct Anodizing Specification?
My company fabricates aluminum and steel pedestrian bridge railing among other bridge parts. We recently got an aluminum railing job that called for “Type I” anodizing per MIL-A-8625. There was no anodic coating thickness called out. We are not anod...

Published: 2/1/2010

Teflon Impregnation and Wear
Does Teflon-impregnated aluminum offer a higher resistance to wear or corrosion?