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OEM looking anodize

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  • OEM looking anodize

    I have some parts Im planning on anodizing. From my past experience with other aluminum pieces, I always get a shiny santiny finish from the buffing . I want to achieve the OEM bright dipped look. What is "bright dipping", and what process/chemistry do I need to use to achieve it?

  • #2
    Polish the aluminum prior to anodizing. This will give the finished product a bright finish.

    The finish of the aluminum prior to anodizing greatly affects the finished product.
    --
    Mike Caswell
    Caswell Inc
    http://www.caswellplating.com
    Need Support? Visit our online support section at http://support.caswellplating.com

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    • #3
      Yes, I understand the importance of buffing before the anodize. The problem is the finish looks too deep, actualy too good. They don't look like the original finish. I read an article about a trim restoration shop, and they "Bright Dip" the parts prior to the anodize step.
      I really want to know what that specific process is. Is it an acid dip?

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      • #4
        It's a nitric acid dip, prior to anodizing. Nitric Acid is extremely dangerous, emits dangerous fumes, and is generally not advisable for amateur use. This is why we recommend buffing instead.
        --
        Mike Caswell
        Caswell Inc
        http://www.caswellplating.com
        Need Support? Visit our online support section at http://support.caswellplating.com

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        • #5
          Thanks for the information. I read the MSDS on Nitric Acid, along with other things about it. I don't think I'd want to mess with it even if I could purchase it. Purchasing is limited to Chemists and such. The storage and handling alone would be nerve racking . What in the world would make somebody want to use that stuff on car parts Nitric acid, and kerosene = Rocket Fuel!! Breathing the vapors in concentrations of 100ppm or more causes PULMONARY EDEMA, AND DEATH . Thanks again. I guess I'll stick to buffing

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