Coil-anodized aluminum provider Lorin Industries has announced details of its electrochemical anodizing process. Pioneered by the Muskegon, MI-based firm, the process' protective aluminum-oxide layer, known as the anodic layer, is grown at the molecular level from the surface of the metal, 2500 to 25,000 times thicker than that of a naturally occurring aluminum-oxide layer. Not a coating, but rather a protective outer layer of the metal itself bonded together at the molecular level, it provides corrosion and scratch protection. Only a few metals can be protectively anodized in this way.
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