Anodized Extruded Aluminum

Anodized extruded aluminum uses electrochemical principles to generate a layer of Al2O3 (aluminum oxide) film on the surface of aluminum and aluminum alloys. This oxide film has special characteristics such as protection, decoration, insulation, and wear resistance.

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Anodized Extruded Aluminum

Anodized Extruded Aluminum

Anodized extruded aluminum uses electrochemical principles to generate a layer of Al2O3 (aluminum oxide) film on the surface of aluminum and aluminum alloys. This oxide film has special characteristics such as protection, decoration, insulation, and wear resistance.


Anodized Extruded Aluminum Process flow:

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Monochrome, gradual color: polishing/sandblasting/drawing → degreasing → anodizing → neutralization → dyeing → sealing → drying

Two-color: ①Polishing/sandblasting/wire drawing→degreasing→masking→anodic oxidation 1→anodic oxidation 2→sealing→drying②polishing/sandblasting/wire drawing→degreasing→anodic oxidation 1 →laser carving→anodic oxidation 2 → Sealing → drying

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Technical difficulties and key points for improvement:

The yield level of anodizing is related to the cost of the final product. The focus of improving the yield of oxidation is the appropriate amount of oxidant, appropriate temperature and current density. This requires structural component manufacturers to continuously explore and seek breakthroughs in the production process.

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