Aluminum panel curtain wall material characteristics

- Jan 04, 2019 -

1) The aluminum panel curtain wall has good rigidity, light weight and high strength. The aluminum veneer curtain wall board has good corrosion resistance, and the fluorocarbon paint can not fade for 25 years.

2) The aluminum panel curtain wall has good craftsmanship. With the first processing and painting process, the aluminum plate can be processed into various complex geometries such as plane, arc and spherical.

3) The aluminum panel curtain wall is not easy to be stained, which is easy to clean and maintain. The non-adhesive nature of the fluorine coating film makes it difficult to adhere to the surface and has a good cleansing property.

4) Aluminum plate curtain wall installation and construction is convenient and fast. The aluminum plate is formed at the factory, and the construction site does not need to be cut and needs to be simply fixed.

5) The aluminum panel curtain wall can be recycled and reused, which is environmentally friendly. The aluminum plate can be 100% recycled and the recycling value is higher.

The aluminum panel curtain wall has a unique texture, rich and long-lasting color, and can be diversified in appearance and shape, and can be perfectly combined with glass curtain wall materials and stone curtain wall materials. Its perfect appearance and excellent quality make it popular with the owners. Its light weight is only one-fifth of the marble, one-third of the glass curtain wall, which greatly reduces the load on the building structure and foundation, and the maintenance cost. Low, the price of performance is higher.

For the aluminum curtain wall currently used in China, most of them are composite aluminum plates and aluminum alloy veneers.

The composite aluminum plate is made of two layers of 0.5mm pure aluminum plate (0.2 to 0.25mm for indoor use) and polyethylene (PE or PVC) with a thickness of 3 to 4mm in the middle layer. The product is of a certain specification. The plate, such as 1220mm × 2440mm. The fluorocarbon paint on the surface of the composite aluminum plate for external use is also completed by roll coating and rolling, and the thickness of the coating is generally about 20 μm. The advantages of the composite aluminum plate are light weight, smooth surface, good flatness, and the same direction. No color difference, and excellent on-site processability, providing conditions for dealing with changes in external wall dimensions caused by on-site construction errors, reducing shop cycle time and shortening installation schedules.

The composite aluminum plate shall be processed into a wallboard during installation. Firstly, the plate shall be cut according to the size of the secondary design. When cutting the plate, the size of the flange shall be taken into consideration. Generally, each side is placed with a size of about 30 mm, according to the curtain wall. According to the installation company, the finished product rate of the board is generally 60% to 70%. The cut composite board needs four-side planing groove, that is, the inner layer aluminum plate and the plastic layer of a certain width are cut off, only the outer aluminum plate with a thickness of 0.5 mm is left, and then the edge is folded into a 90-degree male angle, and then the same size is made with the aluminum profile. The frame is placed in the curved groove of the aluminum-plastic panel. The bottom of the frame is bonded with the back of the aluminum-plastic panel by the structural adhesive. The folded four sides are fixed on the outside of the frame by the riveting. There are ribs to ensure the mechanical strength of the wallboard, the reinforced ribs are made of aluminum, and they are bonded with structural adhesive. Some irregular practices are only fixed at the corners of the composite panel with angled aluminum, and the ribs are bonded with double-sided tape, which is firm. Great discount.

The aluminum alloy veneer is generally an aluminum alloy plate of 2 to 4 mm. When the wall plate is made into a wall plate, the sheet metal processing is first performed according to the requirements of the secondary design, and the four corners are welded by high pressure into a tight groove shape, and the wall plate is The fixing bolts of the reinforcing ribs are reserved by means of electric welding and nailing on the back. After the sheet metal work is completed, the fluorocarbon paint is sprayed. Generally, there are two coats and three coats, and the film thickness is 30-40 μm. The aluminum alloy veneer is easy to process into curved and multi-folded or acute angles, which can adapt to the needs of today's ever-changing exterior wall decoration, and is rich in color. It can be arbitrarily selected according to the design and the owner's requirements, which truly broadens the architect. Our design space.

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