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Color coated plate commonly used technology

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​As a widely used material, the production process involves a variety of surface treatment processes to ensure that the performance and appearance of the product meet the needs of different applications.

As a widely used material, the production process involves a variety of surface treatment processes to ensure that the performance and appearance of the product meet the needs of different applications. The following are several common processes for color coated plates:

Phosphating process: This is a pretreatment process commonly used for steel, zinc layers and aluminum surfaces. Through phosphating, a phosphate film can be formed on the surface of the metal, which helps to improve the adhesion of the coating, enhance corrosion resistance, and provide a good basis for the subsequent painting process.

Complexation oxidation process: This process is specially used for the surface of the zinc layer, through the complexation oxidation reaction, the formation of a stable protective film, which can not only protect the zinc layer from corrosion, but also improve the uniformity and aesthetics of the coating.

Chromization process: This is a surface treatment process for aluminum and aluminum zinc alloy layers. Through chromatization, a thin chromate film is formed on the metal surface, which has excellent corrosion resistance and adhesion, providing a solid foundation for subsequent coating.

Chromate phosphating process: This is a special treatment process, mainly used for aluminum surface. It combines the advantages of phosphating and chromium, and can form a more robust and durable protective film on the aluminum surface, greatly improving the weather resistance and corrosion resistance of the product.

Chromic acid free process: With the increase of environmental requirements, chromic acid free process has become an increasingly popular choice. This process does not use chromate, but uses other environmentally friendly materials to treat the aluminum surface, which not only ensures the quality of the product, but also reduces the impact on the environment.


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May  / 2024

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