What are the common methods for surface treatment of aluminum veneer?

Abstract: This article will introduce common surface treatment methods for aluminum veneer from four aspects, including oxidation treatment, spray coating, anodizing, and powder coating.

1、 Oxidation treatment

1. Chemical oxidation: By forming an oxide film on the surface of aluminum veneer, its corrosion resistance, wear resistance, and weather resistance can be increased.

2. Electrolytic oxidation: Using current to form a dense oxide film on the surface of aluminum veneer, improving its surface hardness and weather resistance.

3. Anodizing oxidation: Through the anodizing process, a layer of oxide film is formed on the surface of aluminum veneer to enhance its decorative and durability properties.

2、 Spray coating

1. Coating: Spraying different types of coatings on aluminum veneer can increase its decorative effect and weather resistance.

2. Powder coating: Powder coating is electrostatically sprayed onto aluminum veneer, and cured by baking to form a hard and wear-resistant surface coating.

3. Film pressure coating: Using hot melt technology to press a protective film onto the surface of aluminum veneer, improving its wear resistance and weather resistance.

3、 Anodizing

1. Sulfuric acid anodizing: Immerse aluminum veneer in sulfuric acid solution to form a fine oxide film on its surface, increasing its corrosion resistance and decorative effect.

2. Sulfuric acid chromic acid anodizing: By adding chromate to sulfuric acid solution, the oxide film on the surface of aluminum veneer is made more uniform and has good decorative properties.

3. Sulfuric acid oxidation and dyeing: After sulfuric acid anodizing, dyeing treatment is carried out to make the surface of aluminum veneer present multiple colors and textures.

4、 Powder coating

1. Electrostatic spraying: Powder coating is electrostatically sprayed onto aluminum veneer to form a strong surface coating during the baking and curing process.

2. Magnetron sputtering: Using a magnetic electron beam to evaporate and deposit powder materials on the surface of aluminum veneer, forming a wear-resistant and corrosion-resistant metallic coating.

3. Nano spraying: Using nano materials as spray coatings to form tiny particle layers on the surface of aluminum veneer, improving its weather resistance and stain resistance.

5、 Summary:

The surface characteristics of aluminum veneer can be improved through oxidation treatment, spray coating, anodizing, and powder coating, including corrosion resistance, wear resistance, decorative effect, and weather resistance. Choosing the appropriate surface treatment method can meet the needs of different occasions for aluminum veneer, improve its service life and decorative effect.