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May 13 - 16, 2008 |
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Value-Added Processes 001 VA Acid Etch for Aluminum Extrusions prior to Anodizing Mores Basaly -- Houghton Metal Finishing, USA Aluminum alloy 6063 is most commonly used to produce anodized aluminum extrusions. The anodizing process is typically performed for decorative purposes, and to improve corrosion resistance. The finished product’s visual appearance is important. Many factors contribute to anodized extrusions’ appearance. Among these factors, the etch step is one of the most important. Aluminum extrusion etching methods used prior to anodizing are presented. |
