ã€China Aluminum Network】 Today, construction of aluminum and gold doors and windows is widely used in the construction of North and South China. This is the advantage and characteristic resolution of aluminum alloy doors and windows. Today, Guan Hao's doors and windows are the things to discuss aluminum doors and windows with us! In recent years, aluminum alloy doors and windows have been favored by the majority of users for their light weight, high strength, good sealing power, beautiful appearance, and long service life. With the continuous increase in the demand for aluminum alloy doors and windows, how to distinguish the quality of aluminum alloy doors and windows profiles, what are the advantages of aluminum alloy doors and windows, the calculation method of aluminum alloy doors and windows undoubtedly has become an urgent need to understand the question! How to distinguish aluminum doors and windows is good or bad? The quality of aluminum alloy doors and windows can be roughly judged from the selection of raw materials (aluminum profiles), aluminum surface treatment, internal processing quality, and quotation of aluminum alloy doors and windows. One. Look at the materials Excellent aluminum alloy doors and windows used in aluminum, thickness, strength and oxide film, etc., should comply with the relevant national regulatory rules, the wall thickness should be more than 1.2 mm, tensile strength reaches 157 newtons per square meter mm, yield strength to reach each Square millimeters 108 Newtons, oxide film thickness should reach 10 microns. If you do not meet the above specifications, it is the second time aluminum alloy doors and windows. Here is a point to be made clear: Today's national specifications have a profile thickness of 1.4 mm. If suppliers choose 1.2 mm or perhaps 1.0 mm wall thickness or even thinner material, they are all due to non-compliance. Please buy. Pay attention to it. Two. Look processing Excellent aluminum alloy doors and windows, fine processing, device stress, good sealing function, switch freely. Deterioration of aluminum alloy doors and windows, blind selection of aluminum series and specifications, processing, cutting corners, instead of milling cutting sawing, not according to the requirements of the device, the sealing function is poor, the switch is not comfortable, not only leakage of air leakage, glass cracking scene, And when it encounters strong winds and external forces, it will simply push or pull some glass or scrape off or knock it down, destroying things and hurting people. Three. Look for a quote Under normal circumstances, excellent aluminum alloy doors and windows due to the high cost of production, offer 30% higher than the inferior aluminum alloy doors and windows. Some aluminum alloy doors and windows made of aluminum profiles with a wall thickness of only 0.6-0.8 mm have much lower tensile strength and yield strength than the relevant national regulatory rules and are not safe to use. In addition, there are many self-employed aluminum alloy doors and windows, and they do not understand the structural features and functions of aluminum alloy doors and windows. In order to reduce the cost of cutting corners and shoddy goods, shoddy goods, and the hidden dangers of commodities, it is usually not appropriate to adopt them. It is better to use the specifications of aluminum alloy door and window manufacturers. The incorporation of a lot of aluminum and aluminum scrap aluminum can greatly reduce the cost, but it will cause the failure of the chemical composition of aluminum profiles, seriously jeopardizing the safety of the construction project. Defective aluminum profiles are cut and closed at many times, reducing the loss of chemical reagents, and the cost is reduced. However, the corrosion resistance of profiles has also greatly reduced the time and window requirements for the selection of aluminum alloy doors and windows. Aluminum alloy door and window advantages 1, strong plasticity: aluminum alloy doors and windows are metal materials, aluminum and various metal elements cast into a variety of alloys, with other doors and windows unmatched strengths, light weight and high strength, can be kneaded into a variety of periods used in various messy Section profile can satisfy the requirements of various new cross-section data for door and window designers. 2. Good sealing function: Closed function directly affects the function of doors and windows and energy consumption. Closed function includes watertightness, airtightness, heat insulation, sound insulation and other four aspects. 3, the use of long life: aluminum alloy doors and windows because of light weight, high density, precision and processing installation, so the opening and closing light and sensitive, no noise, the use of repair facilities, corrosion resistance, small deformation, strong fire protection function, long service life. 4.Environmental protection and energy conservation: A new type of material, H-UPVC, can be used to form a space between the internal and external profiles, so that the heat conduction of the aluminum alloy can be reduced, and the heat insulation and sound insulation effects are good. 5, weather resistance: acid and alkali corrosion and air pollution, acid rain, ozone attack, UV-resistant, long-term to maintain the inherent color and luster. 6, elegant decoration effect: paint surface treatment using powder coating technology and wood grain heat transfer film. Powder coating is attributed to high-grade spray technology, with excellent resistance to fading, anti-blooming, resistance to atmospheric oxygen pollution, acid rain and other corrosive, anti-ultraviolet radiation ability, able to accept harsh climate environment.
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