The Development Process of Aluminum Veneer Curtain Wall in My Country and Its Advantages-WJW Aluminum Supplier Aluminum
Author： WJW Aluminum Window Manufacturers
For a long time, 3mm aluminum veneer has been widely used as curtain wall materials. In order to reduce the weight of aluminum plates and increase the intensity of aluminum plates, my country uses aluminum alloy plates. LF21 aluminum plate is often used as curtain wall aluminum plates. The thickness of the aluminum plate is reduced from 3 mm to 2.5 mm, but the strength of the alloy is about twice the pure aluminum plate. Since the production of building aluminum profiles in the early 1980s, my country's aluminum doors and windows and building aluminum curtain wall industries have gone through more than 20 years of development. The construction of Great Wall Hotel's glass aluminum curtain wall is the first step in the curtain wall industry in my country, which has opened the precedent of my country's curtain wall application technology. After years of development, my country's construction curtain wall industry has trained a large number of technical personnel with practical experience, planning research and development capabilities in the world's leading position; accumulating rich practical experience, and the forefront of construction capabilities in the world. my country's aluminum curtain wall industry has entered the stage of sustainable, scientific, and stable development, and has stepped towards the world, making due contributions to beautifying the world's urban buildings. my country's curtain wall industry has entered a period of continuous and stable brilliant development. Reform and opening up will promote China's curtain wall industry to the world.
The curtain wall not only uses extruded profiles, but also more and more new building materials such as aluminum plates are used, which not only improves the energy -saving indicators of the building curtain wall, but also expands the scope of the construction curtain wall. Not only use a large number of high -grade squeeze profiles and pipes of various specifications, but the amount of aluminum veneer, aluminum -plastic plate, honeycomb aluminum plate, etc. also continuously increase.
Aluminum veneer: Most curtain walls are aluminum boards. Aluminum veneer can be applied or later. Pre -coating is carried out in the processing plant in the form of roller coating, and the later coating is performed in the special color board factory in the form of aluminum veneer.
The size deviation of the aluminum plate of the curtain wall is much rigorous than that of ordinary civilian plates. The standard of ordinary aluminum plates has no requirements for verticality. However, there are strict requirements for the aluminum plate of the curtain wall. The bias bias of the board is3 0, and the length of the length allows to be6 0. Most of the curtain wall aluminum plates in developed countries are 5754 and 5052 alloys. Its mechanical properties are: the load strength of the use of the load 99N/m square, the tensile strength RM220N/m to 260n/m square, the yield strength RPO. 2n/m square, elastic modulus E 7000N/m square. Because the annual growth rate of high -rise buildings is greater than ordinary buildings, the growth rate of aluminum output in the curtain wall will be greater than ordinary aluminum in the future. The surface quality requirements of the curtain wall board are also very strict, and roller printing, indentation, scratches, etc. are not allowed.
The main advantages and characteristics of aluminum veneer curtain walls are: light weight, high strength, high stiffness, strong corrosion resistance, light pollution, non -waste gas generation, strong refractory resistance (non -combustible product), long service life, rich color and bright, decorative decoration Good effects, strong weather resistance, coatings can prevent water seepage, easy to process and mold, and make the appearance of the building a perfect geometric appearance.
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