Abstract: The surface treatment method of aluminum veneer is a very important step, which directly affects the quality and service life of aluminum veneer. This article provides a detailed introduction to the surface treatment methods of aluminum veneer from four aspects: coating treatment, anodizing, chemical coating, and sandblasting treatment.

1、 Coating treatment

Coating treatment is the most common method for surface treatment of aluminum veneer. It can not only enhance the hardness and corrosion resistance of the aluminum veneer surface, but also beautify its appearance and broaden its range of use. According to different application scenarios, coatings can be divided into ordinary coatings, fluorocarbon coatings, polyester coatings, and colored coatings.

Among them, fluorocarbon coating is currently one of the most widely used coating types. Fluorocarbon coating has excellent weather resistance, corrosion resistance, and stain resistance, which can effectively extend the service life of aluminum veneer. In addition, fluorocarbon coatings have a wide range of colors and glossiness, which can meet the needs of different customers.

However, it should be noted that coating treatment should be carried out while controlling various factors such as humidity, temperature, and air quality to ensure optimal adhesion and surface quality of the coating.

2、 Anodizing

Anodizing is a method of enhancing the hardness and corrosion resistance of metal surfaces by forming an oxide layer through electrolysis. In the surface treatment of aluminum veneer, anodizing can form a dense and uniform oxide layer on the surface of the aluminum veneer, effectively improving its hardness and corrosion resistance.

In addition, anodizing can also adjust the thickness and color of the oxide layer by controlling the electrolysis conditions. For example, the surface of anodized aluminum veneer can present different colors such as natural silver, dark gray, and golden yellow.

3、 Chemical coating

Chemical coating is a method of forming organic or inorganic films on metal surfaces through chemical reactions. It can enhance the hardness, corrosion resistance, and wear resistance of the surface of aluminum veneer, while maintaining the glossiness and smoothness of the aluminum veneer surface.

In the process of chemical coating, it is necessary to pay attention to controlling different factors such as plating solution concentration, temperature, pH value, and reaction time to ensure the excellent quality of the formed film.

4、 Sandblasting treatment

Sandblasting treatment is a method of creating a certain texture and particle feel by impacting metal surfaces with high-speed alumina particles. In the surface treatment of aluminum veneer, sandblasting is often used to increase the decorative effect of aluminum veneer, making its surface more three-dimensional and textured.

However, it should be noted that the aluminum veneer needs to be properly cleaned and protected before sandblasting to avoid impurities or dust from damaging the surface and affecting the surface treatment effect.

5、 Summary

In summary, the surface treatment methods for aluminum veneer include coating treatment, anodizing, chemical coating, and sandblasting treatment. Different surface treatment methods can be selected and matched according to different application scenarios and requirements. When performing surface treatment, it is necessary to strictly follow the relevant operating specifications and requirements to achieve the best treatment effect.