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Silicone strips and sponge strips

by:Kenna     2021-06-15
Silicone strips and sponge strips, talk about the important role of epdm for doors and windows. With the further development of technology and the continuous improvement of living standards, and the call of an energy-saving and harmonious society that has been advocated, we all know that doors and windows are the eyes of buildings. Its energy loss can account for 40% of the total energy loss in buildings, which has attracted enough attention, especially in large cities like the capital Beijing, in 2004, the heat transfer coefficient of doors and windows (indices for thermal insulation and energy saving) was used as Compulsory acceptance indicators have also attracted great attention and implementation in various provinces, cities and regions across the country. Energy-saving doors and windows have become the mainstream of building doors and windows. Types and uses of door and window sealing strips Introduction: When we install doors and windows in our lives, there will always be a fixed gap, which leads to tightly closed doors and windows. The door and window sealing strips are used to eliminate these gaps. However, there are many types of door and window sealing strips, and their uses are also different. I have compiled some relevant information about the types of door and window sealing strips for everyone here. Door and window sealing strips can be divided into major categories in use: glass sealing strips, door leaf and door cover sealing strips and wool strips. The glass sealing strip is used to seal the gap between the glass leaf and the frame. The door leaf sealing strip is used to seal the gap between the door panel and the door frame, and the wool strip is mainly used to seal the gap between the frame and the door. It is said that in the installation process of various doors and windows, the sealing strip is indispensable. The sealing strip plays a role of sealing and waterproofing in plastic steel doors and windows, aluminum alloy doors and windows, and wooden doors and windows. Sealing strips have very high requirements for materials. First, they must have strong stretchability and elasticity, as well as good temperature resistance and aging resistance. At the same time, in order to ensure the close contact between the sealing strip and the profile, the cross-sectional structure of the sealing strip must match the profile of the door and window, which is generally suitable for hanging windows and folding doors and windows. The sealing strip is a very important part in doors and windows. It can not only ensure the watertightness of the doors and windows, but also reduce the sound insulation. At the same time, it also has the effect of protection from external forces. However, due to the usual sun exposure, it will cause aging, shrinkage or deformation, so we must regularly Check and look at the specific gravity. If it is of good quality, the weight will be lighter. If it is a defective product, the weight will be heavier. This is because regular manufacturers use calcium carbonate as a filler and some manufacturers use talcum powder to increase the weight of the product. It is easy to distinguish good products from inferior products by looking at the specific gravity when buying. , The weight of the lightweight foam sealing strip is very light, which brings great convenience to the transportation and use process, and the product's strength and toughness are also very good. It can be used in any environment and can be used at very high temperatures. Working for a long time in a high and low temperature environment, these advantages have expanded the application range of the product. Then, what are the main application areas? 1. Modern industry and defense industry are not only very common in life, but also can be used in modern industry and defense industry to help companies produce products. The top is generally used to install on the sash of the push-type door and window to seal the gap between the frame and the sash. The specifications of the tops can largely affect the watertight performance of doors and windows, as well as the opening and closing of doors and windows. If the size of the top is too large, or the vertical hair is too high, it will be very difficult to assemble, and after the assembly is completed, the resistance of the doors and windows will increase when they move. If the fire size is too small, or the vertical hair is too low, the door and window are prone to bracket phenomenon, which reduces the airtightness of the door and window. There are generally two types of tops that have undergone silicification treatment and those that have not been silicified. Generally, the treatment effect will be better. Quality tops have the following characteristics: there are no obvious defects in appearance, the surface is straight, the bottom plate and vertical hairs are relatively smooth, there is no bending phenomenon, and there are no pits and other problems on the bottom plate, and it meets the size requirements. The microwave vulcanization process is used for one-time molding, with a smooth and beautiful surface, no joint marks, good elasticity and resistance to compression deformation, excellent aging resistance, excellent flame retardant performance, low smoke and low toxicity; stable product performance, high dimensional accuracy, six, Burning, PVC sealing strip will foam, shrink, give off black pungent smoke, and will not burn sufficiently, leaving hard plastic residues. Silicone rubber sealing strips will burn almost smokeless, tasteless, and fully burned. After burning, the material will be white. powder. The product is environmentally friendly, easy to construct, and has good anti-seepage, anti-leakage and water-stop effects. 2) Corrosion resistance, aging resistance, high and low temperature resistance +80℃~-45℃, no flow, no deformation, no brittleness, long service life, thermoplastic EPDM rubber sealing strip The sealing strip is a new material developed in recent years from the introduction of foreign technology and domestic independent research and development. It is mainly used for automotive door and window sealing strips. In recent years, it has been used for building door and window sealing. Article
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