[China Aluminum Industry Network] Look at the door and window material The aluminum profiles used in high-quality aluminum alloy doors and windows, thickness, strength and oxide film, are in line with national standards, wall thickness should be above 1.2mm, oxide film thickness It should reach 10 microns. If it exceeds national standards, even products that meet European standards are certainly better choices. Ambrette
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The second look at the doors and windows processing high-quality aluminum alloy doors and windows, fine processing, installation stress, good sealing performance, switch freely. Poor aluminum alloy doors and windows, materials and specifications are not up to standard, and processing is also uneven, poor sealing performance, not only leakage of air leakage, but also in the case of strong winds and external forces are prone to glass cracking and other phenomena , causing the glass to fall or fall off.
The third look at the appearance of doors and windows The appearance of doors and windows is also a crucial link. There are artificial oxide films on the surface of aluminum alloy doors and windows and are colored to form a composite film. This composite film is not only corrosion-resistant, wear-resistant, but also has a certain fire protection function, glossiness. Very high, in the choice to compare as much as possible, try to choose the products of the regular aluminum alloy doors and windows manufacturers, select the processing precision, accurate, open and close light and flexible, no noise, and elegant decorative products.
The fourth look at the price of doors and windows In general, high quality aluminum alloy doors and windows due to high production costs, the price is about 30% higher than inferior aluminum alloy doors and windows. Some aluminum alloy doors and windows with a thickness of only 0.6-0.8 mm aluminum profile, the tensile strength and yield strength are much lower than the relevant national standards, the use is very unsafe, and it must not be ignored because of the cheap moment of greed and its own safety factors. .
The fifth look at the performance of windows and doors aluminum alloy doors and windows usually assess the following main properties: strength, air tightness, watertightness, opening and closing force, sound insulation, heat insulation, nylon guide wheel durability, open and close lock durability and other factors.
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