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The silicone strip is too large

by:Kenna     2021-06-19
Silicone strips are too big and not easy to use. 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 will cause the doors and windows to close tightly. 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 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. Play a key role in electrical cabinets. The skeleton seal is composed of dense rubber, foam rubber and steel wire film. The cabinet sealing strips are mainly used for cabinets, electrical cabinets, and machinery. Dust, airtight, recommended temperature range: PVC material 20°F-150°f(-29c-65, a door may not be beautiful, but a sealing strip must be installed to ensure sound insulation, temperature and sealing performance, it can be seen that, The necessity of the sealing strip to the door. The microwave vulcanization process is used for one-time molding, the surface is smooth and beautiful, without joint marks, has 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, and emit black pungent smoke when burning, insufficient combustion, leaving hard plastic residue, silicone rubber sealing strip burning is almost smokeless, odorless, and burning Fully, the burning material will become white powder. 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. The sealing strip has high requirements for materials, and must first have a strong stretching ability and Elasticity, as well as better 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. It is generally suitable for hanging windows and folding doors and windows. It is used like a wool strip. It is installed on the sash of the push-position door and window to seal the gap between the frame and the sash. The specification of the top can greatly affect the watertight performance of the door and window, and also affect the opening and closing of the door and window. If the specification of the top It 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 door and window will increase when moving. And if the fire specification is too small, or the vertical hair is too low, Doors and windows are prone to bracket phenomenon, which reduces the sealing of doors and windows. Generally there are two types of tops that have been siliconized and those that have not been siliconized. Generally, the use effect after treatment will be better. The quality of qualified tops has the following characteristics: The appearance has no obvious defects, 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, which meets the size requirements. The silicone strip is too large and it is not easy to install. The design of the C sealing strip is often more advanced. It has an independent bubble structure, so that it can form a good sealing bond rate, and all the bubbles have reached a uniform distribution. It has good expansion and contraction performance. It is precisely because of this that it can achieve the superior performance of no flow, no deformation, no cracking and so on. It can not deal with many irregularities on the contact material used except for the plane. According to the material classification, the rubber materials of automobile sealing strips are compact rubber, sponge rubber and hard rubber. The hardness of hard rubber can reach Shore A95. EPDM can be combined with steel belt, steel wire braided belt, TPE, Flannel, flocking, PU coating, organic silicon coating, etc., to ensure the waterproof, dustproof, sound insulation, heat insulation, vibration reduction, wear resistance and decoration effects of the car interior and the outside world and itself, and it can also choose to have good ozone resistance performance And chloroprene rubber (CR) with good aging resistance. 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.
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