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Is the silicone strip soft?

by:Kenna     2021-05-18
Silicone strips are flexible and flexible. Types and uses of door and window sealing strips. Introduction: When we install doors and windows in life, there will always be certain gaps, which cause the doors and windows to close tightly. The role of door and window sealing strips is 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. Automobile sealing strips can be classified into solid core products (round, square, flat cross-section shapes), hollow products, and metal rubber composite products according to the cross-sectional shape. Second, heat-aging EPDM sealing strips are in production Many experiments have been carried out before. It can be seen from the experiment that the product can continue to work in a high temperature environment without aging. Therefore, many companies use the product to improve work efficiency to obtain More profit. The function of the sealing strip is to improve the airtightness and prevent wind and rain from entering the car. In order to avoid the occurrence of the above, the sealing strip must be maintained regularly. 5. Because of its excellent physical and mechanical properties, it is often used in manufacturing Airplanes, cars, trains, passenger cars, ships, high and low voltage switch cabinets, glass curtain walls, aluminum alloy heat-insulating window sealing parts and diving products, high-pressure steam hoses, tunnels, viaduct joints and other waterproof parts and other industrial and agricultural sealing parts. High-quality products will improve the overall style and performance of the door in terms of appearance, internal quality, or later use. Wrapped seals are a modern development trend. Where can wrap seals be used? Wooden windows, aluminum clad wood, aluminum alloy doors and windows, wooden doors, wood-plastic doors, ecological doors, log doors, solid wood doors, painted doors, oak doors, composite doors, suit doors, security doors, sliding doors, wardrobe doors, cabinet doors, Bronze doors, cast aluminum doors, plastic steel doors and windows, etc. 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 high requirements for materials. First of all, 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 wool strip 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 greatly 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 it is assembled, the resistance of doors and windows will increase when they move. If the fire size is too small, or the vertical hair is too low, brackets are prone to occur in doors and windows, which reduces the airtightness of doors and windows. 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 hair 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. In the raw materials for manufacturing sealing strips, EPDM rubber, the main raw material used in the past, is also constantly updated and developed. It has excellent physical properties and good processing properties. The new type of EPDM can control the long chain of molecules. Branching makes the vulcanization performance better, and can increase the extrusion speed and the output of the product. These materials not only have the excellent engineering properties of elastomers, but also have the excellent characteristics of plastics, which are convenient for processing and can be recycled and reused. Materials are gradually replacing EPDM products. It is divided into self-adhesive type and card slot type. It is used in different doors and windows. It is more convenient and feasible in operation and installation. What is the performance advantage of the coated sealing strip? 1. Compression deformation test: 50% compression rate at 70℃ continuous compression 22 hours, deformation rate ≤10%2, compression force test, under 25% compression rate, apply a force of 15N/100mm, compression rate ≤10N3, temperature range test: from -40℃ to 90℃, the sealing performance is not obvious Change 4. Thermal conductivity K value test: K value ≤ 0 at 0°C. Second, after the sealing strip is damaged, it is easy for rainwater to enter the car. This phenomenon will cause damage to the car body, and it is easy to cause the car body to rust. From this point, we can see that the sealing strip is like this. Although the product is a small object, it is also an indispensable part for the car. When the car sealing strip is intact, it can effectively reduce the wind noise caused by high-speed driving, and it also improves the car’s air. Tightness and dust-proof effect, it can be seen that regular maintenance of the sealing strip is very important. The main function of doors and windows is to seal, how to strengthen the seal, then the sealing strip plays a very critical role. The common sealing strips on the market are generally made of pvc material. The quality of the sealing strips mainly depends on the pros and cons of the plasticizers added. With the increase in the price of various chemical fields, the price of the sealing strips is constantly increasing. rise.
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