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Why Does Anodizing Fade and What to Do to Stop It

The colors of anodized aluminum are typically deep, rich, bright, and very appealing. However, there is a common misperception that aluminum anodization colors are permanent and will not fade over time. Most dyes used in anodizing are organic dyes that eventually break down over time when exposed to UV light. In some cases, poor quality anodizing is the root cause of fading, but generally there are other more important causes than the quality anodization processes.

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The Differences in Type II And Type III Anodizing

At Sapphire Metal Finishing, we work with OEMs and various manufacturers to provide customized solutions for their aluminum anodizing requirements. Many of our customers are unsure of the difference between Type II and Type III anodizing and which option is best for their parts and components.

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Things You Need To Know To Prepare Parts For Aluminum Anodizing

The process of anodizing aluminum enhances the corrosion resistance and durability of the surface of the metal by adding an anodic oxide finish. This is done through an electrochemical process that is carefully controlled to provide a specific amount of oxidation to the surface aluminum. Continue reading “Things You Need To Know To Prepare Parts For Aluminum Anodizing”