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Silicone strip white

by:Kenna     2021-05-25
Silicone strips are white, 6) Classification and function, high-quality sealing strips will improve the overall style and performance of the door in terms of appearance, internal quality or later use, and covered sealing strips are the modern development trend. Humanization 'In the past, traditional sealing strips have always paid more attention to materials and workmanship, and neglected the attention to humanization in use. With the improvement of people's living standards, the improvement of housing conditions and people's high attention to home decoration, indoor rooms More and more people pay attention to its privacy and sound insulation and sealing effect. Automotive product rubber formula and its preparation method and process Background technology: At present, the low temperature performance of rubber products used in cars on the market is generally around -25 ℃, but in comparison with the climate In harsh local environments, the rubber parts on the car cannot withstand the airflow of the cold air, which greatly reduces the product life. The performance of the rubber products used in the car directly affects personal safety. For example, Toyota recalled the car parts in the past few years. Some of the cars sold lead to serious reputational consequences. Therefore, all automobile manufacturers need a rubber product with long-term stable performance and sufficient safety. The silicone strip is white and its construction is also very simple without complicated procedures. This is also a must-have for an EPDM sealing strip. Many people don’t know enough about the product like EPDM sealing strip, let alone the characteristics and advantages of the product. First of all, the weather resistance of weather-resistant products 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. These advantages can extend the service life of the product. Because the silicone seal is mainly It is produced using silicone rubber material, so it has better sealing performance than other material sealing strips, and it can also be used in some high-temperature environments. It has excellent weather resistance and can effectively resist natural factors. Invasion, even if it is used for a long time, there will be no aging damage. Generally, the back of the silicone sealing strip is explained, so it can be effectively bonded with other materials without using any adhesive. It also has good sealing performance. No matter how long it is used in a high temperature environment, it will not fall off, so it has become the first choice for sealing materials. Sealing strips are very important parts 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, because the sun will cause aging, shrinkage or deformation, we need to check it regularly and look at the proportion. If it is of good quality The weight of the product should be light, if it is a defective product, the weight will be heavy. This is because the regular manufacturers use calcium carbonate as a filler and some manufacturers use talcum powder to increase the weight of the product, so we can easily distinguish good products by looking at the specific gravity when buying. Technical realization factors: The technical problem to be solved by the present invention is to provide a rubber formula for automobile products and a preparation method thereof, which has good low-temperature performance and can withstand the attack of cold air in a relatively harsh local environment. Good performance, so as to ensure personal safety. Technical realization factor: this invention The technical problem that Ming wants to solve is to provide a rubber formula for automobile products and a preparation method thereof, which has good low temperature performance and can withstand the attack of cold air in a relatively harsh local environment to ensure good performance and personal safety. The physical properties of white silicone rubber have no obvious changes at -50℃. Fifth, look at the specific gravity, how many meters per kilogram can be produced, and the PVC sealing strip with heavy calcium added, you can stretch it back and forth several times by hand, and a small amount of white will appear on the surface. The density of the PVC sealing strip should be 1,4-1,6, and the silicon rubber sealing strip should be filled with nano-scale silica as a filling and reinforcing effect. The texture is light and the density is between 1,1-1,25. , So the yield rate is 20% higher than that of PVC sealing strips. The heat resistance and cold resistance, insulation and conductivity, as well as flame retardancy are very good. It can be used at 100-120℃ for a long time, and it can remain effective for a long period of time at 140-150℃. Its physical properties can withstand high temperatures of 230-260℃ in a short period of time, and it can delay the effect of sudden accidents in urban buildings; coupled with the use of special formulas, EPDM rubber feels similar at -50℃ to 150℃ , This has created a high-efficiency work performance for the production site installation. A small number of door and window companies in low-level price competition are still in use. Medium and high-end PVC strips can meet the standard indicators and have a relatively long service life. 5. Because of their excellent physical and mechanical properties, they are often used in the manufacture of airplanes and cars. , Trains, passenger cars, ships, high and low voltage switch cabinets, glass curtain walls, aluminum alloy heat-breaking window sealing parts and diving products, high-pressure steam hoses, tunnels, viaduct joints and other waterproof parts and other industrial and agricultural sealing parts, 8℃, EPDM rubber has excellent UV resistance, weather resistance, heat aging resistance, low temperature resistance, ozone resistance, chemical resistance, water resistance, good electrical insulation and elasticity, and other physical and mechanical properties
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