Types and purposes of window silicone strip door and window sealing strip
Introduction: When we install doors and windows in our lives, there will always be a fixed gap, which causes the door and window departments 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. People's perfection of doors and windows can be said to symbolize the perfection of human beings, to protect your voice and ears, to make life more comfortable, and to save energy. There is one goal: to promote the development of 'global environmental protection doors and windowsContribute to environmental protection, the air cabinet sealing strip is made of good elasticity and resistance to compression deformation, aging, ozone, and chemical effects, wide operating temperature range (-40℃~+120℃), ethylene-propylene-diene rubber ( EPDM) The composite rubber is foamed and dense, with unique metal clamps and tongue buckles, which is durable. According to the cross-sectional shape classification, automobile sealing strips can be divided into solid core products (round, square, flat cross-sectional shapes), hollow products and metal-rubber composite products. Second, heat aging resistance 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 characteristics of automobile sealing strips In the -40℃ low temperature resistance test, the sealing strips do not become hard or brittle, and still maintain softness and good adhesion of the strips, showing excellent cold resistance. The automotive sealing strips are mainly composed of It is made of ethylene propylene diene monomer (EPDM) rubber with good elasticity and resistance to compression deformation, aging resistance, ozone, chemical effects, and a wide temperature range (-40℃~+120℃). Contains unique metal clamps and tongue buckles, which are durable and easy to install. 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 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. Window silica gel strips are made of soft and elastic, non-toxic and odorless after special processing, and can withstand high temperature, high pressure and repeated cooking at 200℃. They are used for thermal insulation and insulation of electrical products, internal conduits of drinking water systems, and industrial refrigeration The internal connection of equipment and gas appliances, the sealing of machinery, lamps and other products, and the performance of sealing strips greatly affect the air-tightness, water-tightness, heat loss and other important performance indicators of doors and windows, as well as the firmness of doors and windows. degree. Humanization 'In the past, the tradition has always paid more attention to materials and workmanship, ignoring the attention to humanization in use. What are the performance advantages of coated seals? 1. Compression deformation test: 50% compression rate at 70°C continues to compress 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. Heat conduction K value test: K value ≤ 0 at 0℃. It plays a key role in electrical cabinets. The skeleton seal is composed of dense rubber, foam rubber and steel wire film. The cabinet sealing strip is mainly used for cabinets. , Electrical cabinets, machinery, mainly for fixing effects and sound insulation, waterproof, dustproof, and sealing. Recommended temperature range: PVC material 20°F-150°f(-29c-65, one door, it can be not beautiful, but it must be installed Sealing strip to ensure sound insulation, temperature and sealing performance
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