These figures of broken bridge aluminum doors and windows represent the width occupied by the broken bridge aluminum window frame falling on the windowsill. For example, 70 is 7cm, 90 is 9cm. The two broken bridge aluminum doors and windows are different in material wall thickness and sealing performance.
Wall thickness: 70 series of aluminum with a wall thickness of 1.8mm. 90 series aluminum with wall thickness of 2.0mm. The load-bearing performance and thermal insulation performance of 90 series are better.
Glass: 70 series profiles use 5 20A 5 hollow glass, 90 series profiles use 5 25A 5 hollow glass. It is also 5mm glass, and the thickness of the middle air layer is different, which means that the 90 series is much higher than the 70 series in terms of sound insulation and heat insulation. At the same time, if 90 series are used in high-rise buildings, it will be safer and more reliable.
If you are pursuing high quality thermal insulation, sound insulation, sealing, safety and other properties, we recommend that you choose 90 series Broken Bridge aluminum doors and windows.
If you want to distinguish between aluminum materials, you can find corresponding labels on aluminum materials.
The famous Broken Bridge aluminum brands in the market include fengaluminum, Central Asia, Jianmei, Xingfa, Asian aluminum, Nanshan, Weiye, Weichang, Xinhe, etc. They are basically aluminum materials from Guangdong, and many of the Miscellaneous Brands broken bridge aluminum are from Shandong, quito, Hebei. Consumers can make a clear difference in price. Generally, the full package price of brand broken bridge aluminum doors and windows is about 700-1000 yuan, while the total package price of miscellaneous brand inferior Broken Bridge aluminum is about 400-500 yuan per square meter, at the same time, the editor also reminded consumers to carefully choose the brand of broken bridge aluminum called Germany, because many of them are fake German brands and are produced by small domestic factories. The real brand of broken bridge aluminum in Germany is between 2000 and 4000 yuan per square meter, and only German xuge is the real German broken bridge aluminum brand.
