How many meters is the sealing strip of the van, in fact, we cannot do without this product in many places in our lives, because its use effect is very good, friends who don’t know can join me to take a look at the EPDM The characteristics of the sealing strip. Third, the ozone resistance of the ozone-resistant product is very good. It can be completely exposed to the air to work, so that the superiority of the product is more prominent, and the EPDM sealing strip is UV resistant. The radiation effect is also very good, and it also has excellent physical and mechanical properties, so it is often used to make airplanes, trains, cars, and so on. Types and uses of door and window sealing strips Introduction: When we install doors and windows in our lives, there will always be certain gaps, which will 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. 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. If your cracks are large or the aging degree is serious, then you don’t need to use the adhesive anymore. It is more convenient to replace with a new one. The replacement method is very simple, but in order to have a good effect, please ask a professional to update it. However, most people choose PVC material, so what should people pay attention to when buying sealing strips? First of all, put the product on your nose and smell it. If it is made of normal PVC material, it will have a little brewing smell, but the smell is very small, and it can hardly be smelled. Excellent weather resistance and aging resistance, ozone resistance and chemical corrosion resistance, flexible foam sealing strip, excellent cold and heat resistance (-50℃~+170℃), super elasticity, 200% stretch, good price Lian door and window sealing strip door and window sealing strip classification Plastic steel door and window sealing strip, aluminum alloy door and window sealing strip, wooden door sealing strip, cold storage door sealing strip, grain storage door sealing strip, flame retardant door and window sealing strip, glass sealing strip, automatic revolving door sealing strip, Building door sealing strips, curtain wall sealing strips, etc. 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. 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. Thermal conductivity K value test: K value ≤ 0 at 0°C. The above is an introduction to the characteristics and uses of rubber sealing strips. It can be seen that the characteristics of the product are not only very many, but also more widely used. This It is also the main reason for everyone’s recognition. Features: EPDM has excellent weather resistance, weather resistance refers to long-term resistance to severe cold, heat, dryness, and humidity, and excellent corrosion resistance to rain and snow. It can fully extend the service life of the rubber strip; heat aging resistance refers to strong heat-resistant air aging. B, salt bath continuous vulcanization seal strip
: salt bath vulcanization adopts a salt bath system containing nitrite, which is environmentally friendly The pollution is large and has been gradually eliminated. C. According to the cross-sectional shape, it can be divided into solid products (round, square, flat cross-sectional shapes), hollow products and metal rubber composite products, etc. EPDM rubber sealing strips It is much stronger than PVC strips in terms of sealing elasticity and durability. However, due to the need for microwave vulcanization line shaping, processing energy consumption is high, usually more than 20 times that of PVC processing. The product cannot be reused and is not environmentally friendly. It is not a recommended product. .
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