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Anodized aluminum refers to a layer of dense aluminum oxide coated on the surface of aluminum and aluminum alloys to prevent further oxidation, the chemical properties of which are the same as those of alumina. However, unlike ordinary oxide films, anodized aluminum can be colored by electrolytic coloring.

Processing of Anodized Aluminium：

1.Mechanical polishing
2.Remove copper element from some copper alloy surface by chemical treatment
3.Cleaning and remove oil
4.Generate surface oxide layer
5.Coloration
6.To seal the hole of anodized layer by heating or using chromate solution

Advantages of Anodized Aluminium panel：

1.Good Processability
2.Excellent weatherability
3.Excellent metal texture
4.Excellent fire resistance
5.Strong resistance to pollution
6.High Hardness