Silicone hollow water retaining strip door and window sealing strip
type and purpose Introduction: When we install doors and windows in life, there will always be a fixed gap, which leads to tightly closed doors and windows. 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. At the same time, it is very simple in construction, without complicated procedures, and this is also a must-have for an EPDM sealing strip. Many people do not know enough about the product such as EPDM sealing strip, let alone the product. The characteristics and advantages. First of all, the weather resistance of the weather resistance product is very good. It can be used in severe cold and hot environments, dry and humid environments for a long time, and it can also have good corrosion resistance. The advantage is that the service life of the product can be prolonged. 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. At a high temperature of 120°C, the weather resistance of the sealing strip is still good, maintaining elastic properties, shape and function are not affected, thermoplastic EPDM Rubber sealing strips, often many luxury cars now use this type of EPDM sealing strips, so what kind of performance does it have in actual use? First of all, its flexibility is relatively large. This point is very important. Only when this point is reached, can you maintain good performance when you use it, and at the same time, it will not be deformed during long-term use. Sealing strips are used in plastic steel doors and windows, aluminum Alloy doors and windows and wooden doors and windows play a role in sealing and waterproofing. Sealing strips have 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, for To ensure 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. The wool strip is generally used to install on the fan of the push-type door and window to seal the frame and The gap between the fans. The size of the top can greatly affect the watertight performance of doors and windows, and also affect 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 It is difficult, and after assembly, 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 doors and windows are prone to bracketing, which reduces the airtightness of the doors and windows. There are generally two types that have been silicified and those that have not been silicified. Generally, the use effect after treatment will be better. The quality qualified tops have the following characteristics: the appearance is not obvious, the surface is straight, the bottom plate and the vertical hairs are relatively smooth , No bending phenomenon, and no pitting and other problems on the bottom plate, in line with the size regulations. The silicone hollow water retaining strip can be used at 100-120℃ for a long time, and it can also be used for a long period of time at 140-150℃ Maintains effective physical properties, can withstand high temperatures of 230-260℃ in a short time, and can delay the effect of sudden accidents in urban buildings; coupled with the use of special formulas, EPDM is at -50℃ to 150℃ The feel is similar, which creates a high-efficiency work performance for the installation on the production site. 3. Because EPDM has excellent ozone resistance, it is also known as 'crack-free rubberIt will show the superiority of its products on all kinds of urban buildings in China; 4. Anti-ultraviolet radiation, which provides environmental protection for residents of high-rise buildings; can withstand 60~150KV voltage, corona resistance, and electricity resistance. turtle Cracking and arc resistance are also very good. Any product is prone to damage during use. In order to reduce the probability of this phenomenon, it is necessary to carry out effective maintenance on the product. Because of its excellent physical and mechanical properties, it is often used in the manufacture of airplanes and cars. , Trains, buses, ships, high and low voltage switch cabinets, glass curtain walls, sealing parts and diving products of aluminum alloy heat-breaking windows, high-pressure steam hoses
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