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Hollow silicone toilet water retaining strip

by:Kenna     2021-04-25
Hollow silicone toilet water retaining strip, second, high heat insulation. In the process of use, it has good heat insulation, which greatly reduces the thermal conductivity. Therefore, the heat insulation of this product is very good. It can effectively prevent the loss of temperature. Third, the demand for rubber sealing strips in the automobile industry is very large. Some electronic parts and electrical assemblies are required, such as windshields and automobile windows. , And the outer skin of the high-voltage line, there are many places such as the spark plug protective cover. Automobile product rubber formula and its preparation method and process Background technology: At present, the low temperature performance of rubber products used in automobiles on the market is generally around -25°C, but the rubber parts on automobiles cannot withstand cold air in a harsh climate. The airflow caused the product life to be greatly reduced. The performance of rubber products used in automobiles directly affects personal safety. For example, the recall of some of the cars sold by Toyota in the past few years caused serious reputational consequences. Therefore, all automobile manufacturers need a long-term stable performance. Adequately safe rubber products. Hollow silicone toilet water retaining strip. In addition, the material proportion of this type of product (above 1, 4) is equivalent to that of PVC (low-end vulcanized EPDM strip has a larger proportion). The window rate is similar to that of PVC strip, and the cost of use is relatively biased. High, difficult for door and window companies to accept. Sealing strips can be classified according to several methods such as section shape, vulcanization method, application location and purpose, and materials used. Product characteristics 1) Light bulk density, high expansion and contraction strength, and no water absorption (replacement of traditional three oil Four felt, asphalt wood fir board and other materials). Nowadays, cars are also very common and have become our main transportation tool. The basic function can fill some gaps in the body, so that good shock absorption and waterproof effects can be achieved. Features: 1, three yuan Ethylene-propylene 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 erosion, which can completely extend the service life of the rubber strip; 2. Heat aging resistance refers to strong resistance to hot air aging. And it does not react with any paint or cleaning agent. Customers do not need to worry about the integrity and aesthetics of doors and windows being damaged. According to the compound structure of the rubber compound, they can be divided into pure rubber sealing strips-composed of a single type of rubber; two composite sealing strips ——Composed of dense rubber and foam sponge rubber, often containing a metal skeleton material in the axial direction inside the dense rubber; three-composite sealing strip——composed of two types of dense rubber (one of which is light-colored) and sponge rubber, usually The dense rubber contains a metal skeleton and reinforcing fibers. 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, can withstand the attack of cold air in a local environment with relatively bad weather, and guarantees good performance. Ensure personal safety. 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, can withstand the attack of cold air in a local environment with relatively bad weather, and guarantees good performance. Ensure personal safety. Among the hollow silicone toilet water retaining strips, metal rubber composite sealing strips account for more than 60%. For rubber sealing strips, the cross-sectional design is very important. The first is the shape and size of the sealing lip. The sealing lips on both sides should be the same, Appropriate force touches the glass from both sides of the car window glass. 3) It has an independent open-cell bubble structure. The appearance of the special-made joint board is a honeycomb-shaped hole evenly distributed. It can be tightly bonded to cement/sealant without beating. As a whole, it adapts to changes in natural expansion and contraction, and enhances the effect of seam sealing, expansion and water stop. The product is environmentally friendly, easy to construct, and has good anti-seepage, anti-leakage and water-stop effects. 2) Corrosion resistance, aging resistance, high and low temperature resistance +80℃~-45℃, no flow, no deformation, no embrittlement, long service life, thermoplastic EPDM rubber sealing strip The sealing strip is a new material developed on the basis of imported technology and domestic independent research and development in recent years. It is mainly used for automotive door and window sealing strips. In recent years, it has been used for building door and window sealing. Its outstanding advantages are: ①The performance and service life are equivalent to those of vulcanized EPDM rubber sealing strips. In fact, there are many places in our lives that cannot be separated from this product, because its use effect is very good, friends who don’t know can join me to take a look at the characteristics of EPDM sealing strip. Third, ozone resistance The ozone resistance of the product is very good, and it can be completely exposed to the air to work, so that the superiority of the product is more prominent, and the anti-ultraviolet radiation effect of the EPDM sealing strip is also very good. Yes, but also has excellent physical and mechanical properties, so it is often used to make airplanes, trains, cars, and so on. Technical features: 1. An automobile product rubber, characterized in that the automobile product rubber is composed of EPDM, carbon black, softening oil, processing aids, and accelerators. 2. The automobile product rubber according to claim 1, wherein the automobile product rubber is calculated by weight ratio, the EPDM rubber is 100, the carbon black is 90, the softening oil is 20, and the processing aid is 15 , The accelerator is 5. 3. A preparation method of automobile product rubber formula, which is characterized in that it comprises the following steps: step one, put the EPDM rubber into the internal mixer, and the mixing temperature is controlled below 80 ℃ Mix for 2 minutes
In an age when rubber seal strip suppliers is increasingly important, the researchers believe manufacturers should pay close attention to their results.
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