What are the common surface treatment methods for aluminum curtain walls?

 
aluminum curtain walls

The use of curtain wall aluminum panels greatly reduces the load on the building structure and foundation, with lower maintenance costs and better cost performance. In practical application, we need to choose the appropriate aluminum curtain wall decorative surface treatment to create the desired effect and play a perfect decorative effect. 

1、Roller coating

Aluminum plate appearance after degreasing and chemical disposal, roll coating of high-quality paint, drying, and curing. The flatness of the paint film on the exterior of the roller-coated plate is higher than that of the sprayed plate. The color is divided into pearlescent and matte, and the most common on the market is pearlescent. Its price is higher than spraying. The biggest feature of the roller-coated plate is the color simulation is very high; in roller-coating technology the good or bad level difference is very big, in addition to all the materials related to, that is, with it a few times on the color.

2, anodic oxidation

Anodized aluminum curtain wall in Western countries has nearly 20 years of successful application experience. In recent years, anodized aluminum veneer as a new curtain wall material, popular in the domestic curtain wall industry. An anodically oxidized aluminum plate is an aluminum plate placed in the corresponding electrolyte (such as sulfuric acid, chromic acid, oxalic acid, etc.) as the anode, electrolysis under specific conditions, and the role of the applied current. The anode of the aluminum plate oxidation, the formation of a thin layer of aluminum oxide on the surface, a thickness of 5 ~ 20 microns, and hard anodic oxide film up to 60 ~ 200 microns.

After anodizing, the hardness and abrasion resistance of the aluminum plate will be improved, and it will also have good heat resistance and excellent insulation. Anodized aluminum plate is the most popular is that it has strong decorative and weather resistance, compared with other curtain wall materials to light, and stain resistance, and low maintenance costs.

3、Spraying technology

Spraying colorful paint on the exterior of the aluminum plate after drying. Good spraying plate color dispersion uniformity, poor plate from the side will see the color is corrugated dispersion. Sprayed board must be dried, so that the paint film is strong. This technology board's current home furnishing has been basically not selected, most will be used in large-scale plant decoration, due to the relative price being very cheap, there are still a lot of manufacturers playing cheap to attract consumers.

4, metal wire drawing technology

This is a newly introduced appearance of disposal technology, it uses to aluminum plate as the substrate, the use of diamond cloth wheel appearance brushed, by pressure type, roll coating, and other chemical disposal and become. The appearance of bright, uniform colors, is fashionable, giving a person a fierce visual impact.

5、Laminating technology

Selection of high-gloss film or phantom color film, the board surface coated with professional adhesive composite. The laminating plate is glossy and bright and can choose a variety of colors, waterproof, and fireproof, with excellent durability (weather resistance, corrosion resistance, chemical resistance) and anti-fouling properties, anti-ultraviolet performance is superior.


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