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With the development of science and technology and the improvement of living standards and the country's call for the establishment of an energy-saving harmonious society, doors and windows as the eyes of buildings and energy loss account for 40% of the total energy loss of buildings, which has caused the country to pay enough attention, especially It is the capital Beijing that in 2004, the heat transfer coefficient (insulation and energy conservation index) of doors and windows, as a compulsory acceptance index, has also attracted great attention and implementation in all provinces and cities in the country. Energy-saving doors and windows have become the mainstream of building doors and windows.
Energy-saving doors and windows are roughly composed of profiles, hardware, glass and cladding sealing strips, and several modules of processing technology. Because of their low cost, sealing strips have been influenced by some traditional concepts that do not pay attention to energy-saving standards for doors and windows. Many door and window manufacturers ignore it, but the sealing strip plays a vital role in the door and window system. What role does the wrapped sealing strip play in the door and window system?
The sealing strip is installed on the door and window frames, fans and glass, and the profiles, hardware, and glass of the windows and doors are closely linked to form a whole, relying on the excellent elastic properties of the covered sealing strips to improve the airtightness of the doors and windows. Performance and watertightness, sound insulation performance have a vital role to make doors and windows truly qualified energy-saving doors and windows.
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