Surface Treatment of Honeycomb Aluminum Plate

Honeycomb aluminum plate一般采用纯铝板，铝板厚度为3mmHowever, in order to reduce the weight of aluminum plate and improve the strength of aluminum plate, aluminum alloy plate is often used.21No. antirust aluminum(Code-namedLF21)Rolled aluminum plate, the strength of the aluminum alloy plate is higher than that of pure aluminum plate1About times, and the thickness of the aluminum plate is also made3mm reduced2.5mm. If there are higher requirements for sound insulation, rock wool, slag wool, glass wool or foaming treatment can also be placed on the inside of the aluminum plate.

surface treatment method

The surface treatment method of single-layer aluminum plate for curtain wall generally adopts powder electrostatic spraying and fluorocarbon resin paint spraying.

a) Electrostatic spraying powder is mainly polyurethane or epoxy resin and other raw materials with high color retention color, can get dozens of different colors. This powder coating is corrosion-resistant, friction-resistant, and collision-resistant. Even under strong impact, the aluminum plate is deformed and the spray coating is free of cracks, peeling, and intact. The only drawback of this kind of powder coating is that it has poor anti-ultraviolet performance. After long-term irradiation of sunlight and ultraviolet rays, it is easy to produce color difference between the yin and yang surfaces after a few years, so the surface treatment method of powder electrostatic spraying is basically no longer used in recent years.

b) Fluorocarbon resin paint is the use of fluorocarbon polymer resin for the manufacture of paint as a metal finish, this finish can resist all kinds of corrosion(For example, it can resist acid rain and various air pollutants.)Not afraid of strong ultraviolet radiation, cold and heat resistance is also excellent and will not accumulate dirt on the surface. It is precisely because the fluorocarbon resin paint has the above good performance, so the fluorocarbon aluminum plate can maintain long-term uniform color, smooth surface without fading, will not be exposed to the sun for a long time to produce yin and yang surface effect, the service life can be as long as decades, now the curtain wall using single-layer aluminum plate almost all fluorocarbon resin paint spraying.

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