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-----Can't find Hard Anodizing in Turkey
Dear Sirs,
It may be a very simple question for you but I decided to write anyways. While I was visiting U.S.A., I saw parts that were hard anodized for marine use. When I came back home to Istanbul, I have asked a close-by anodizing shop that I want my boat aluminum parts to be hard anodized but they did not understand what I am asking for. Is this procedure very different from standard anodizing system that they did not understand me or it may be that locally it has a completely different translation name? Is it possible to find a simple explanation of the sequence of this process so that I can translate and explain what I am looking for ? Thank you in advance
sailboat hobbyist - Gebze, Kocaeli, Turkey
March 1, 2010
Hi, Halil. Perhaps the easiest way to explain what the difference is, is to refer you and your shop to Mil-A-8625, where conventional anodizing is "Type II" and hardcoat anodizing is "Type III".
Type III is done at much lower temperature (about 0 C), much higher voltage (maybe 40 to 75 volts), and much greater thickness (about .002").
Regards,
Ted Mooney, P.E.
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March 2, 2010
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