Anodizing
Test Methods For Evaluating Anodized Aluminum
Benefits of anodizing include durability, color stability, ease of maintenance, aesthetics, cost of initial finish and the fact that it is a safe and healthy process. Maximizing these benefits to produce a high–performance aluminum finish can be accomplished by incorporating test procedures in the manufacturing process.
Read MoreDichromate Sealing Problems
Question: We have carried out salt spray testing on 2024-T4 bare chromic acid anodized parts.
Read MoreWhat are the Properties of Black Anodized Finishes?
Quesiton: My company uses black anodized aluminum substrates in devices for biological cell maintenance systems.
Read MoreUsing Aluminum at Sea
Quesiton: My company deploys equipment housed in an enclosure that is located in a mild salt-spray environment but no sun/UV exposure.
Read MoreWhat is Zinc Anodizing?
Question: I was asked the other day whether our shop could perform zinc anodizing.
Read MoreDark Gray Spots in Clear Anodizing
Question: I am having a problem with surface imperfections in the anodizing on a new product of ours which we machine from 7075. The imperfections look like small dark gray spots in the clear anodizing. Under a microscope they look like corroded areas which have actually eaten away the machine marks in spots. Any advice would be greatly appreciated.
Read MoreChecking Quality of Seal
Question: We manufacture parts that have a Type II anodic coating that is 0.4–0.6 mil in thickness.
Read MoreTeflon Impregnated Anodizing
Question: From what I have read, Teflon® impregnated anodizing does not really have Teflon impregnated in the coating, but it is actually only adhered on the aluminum oxide surface.
Read MorePitting After Anodizing
Question: We have a customer who is continuously sending us parts made from 7075-T6 that are pitted when we receive them.
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