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Silicone foam strips are pungent

by:Kenna     2021-07-14
Silicone foam strips are pungent, and also have good dustproof, sound insulation and decorative effects. They also protect the car body and effectively improve the comfort of the ride. The characteristics of the car seal are resistant to -40°C. In the low-temperature experiment, the sealing tape does not become hard and brittle, it still maintains softness and good adhesion of the tape, showing excellent cold resistance. The performance characteristics of the EPDM sealing strip: excellent comprehensive performance and outstanding resistance Ozone resistance, excellent weather resistance, good high temperature and low temperature resistance, outstanding chemical resistance, resistance to a variety of polar solutes, and low relative density. 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. The auxiliary seal of the silicone foam strip pungent compensating ring is a metal bellows called a bellows mechanical seal. 2. The composition of the mechanical seal: mainly includes the following four types of components, a. Main seals: moving ring and static ring, b , Auxiliary seal: sealing ring, c, compression: spring, push ring, d, three, and put the PVC sealing strip and the silicone rubber sealing strip in the freezer compartment of the refrigerator at the same time. After a few hours, the PVC sealing strip will become The hand feel is very stiff, easy to break, and the physical properties of the silicone rubber seal have no change. Automobile sound insulation and anti-collision strips are divided into 3M back-adhesive small D-shaped sealing strip, 3M back-adhesive large D-shaped sealing strip, 3M back-adhesive large P-shaped sealing strip, A, microwave continuous vulcanization composite sealing strip: microwave vulcanization technology is the 70s of the 20th century The production technology used and widely promoted after the foreign energy crisis in the 1940s, the use of microwave continuous vulcanization technology can not only produce composite strips of metal core, solid core rubber and sponge rubber, but also save energy and improve work efficiency. Other continuous vulcanization methods are superior. 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, which can effectively prevent the loss of temperature. , Third, the automobile industry The demand for rubber sealing strips in the automobile industry is very large. Some electronic parts and electrical assembly parts are required to be used, such as the sealing of windshields and automobile windows, as well as the outer skin of high-voltage lines. There are many places such as spark plug protection covers. 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. Silicone foam strips are pungent to talk about the important role of epdm for doors and windows. With the further development of technology and the continuous improvement of living standards, and the call of an energy-saving and harmonious society that has been advocated, we all know that doors and windows are the eyes of buildings. Its energy loss can account for 40% of the total energy loss in buildings, which has attracted enough attention, especially in large cities like the capital Beijing, in 2004, the heat transfer coefficient of doors and windows (indices for thermal insulation and energy saving) was used as Compulsory acceptance indicators have also attracted great attention and implementation in various provinces, cities and regions across the country. Energy-saving doors and windows have become the mainstream of building doors and windows. This technology is recognized by the world as a good process method for producing extruded products. The characteristic of microwave heating is that heat is directly generated in the object to be heated, instead of being input from the outside as usual. This not only generates heat quickly, but also distributes it uniformly, which is beneficial Improve product quality and greatly shorten the heating time. Hot air vulcanization sealing strip: Hot air sulfur has developed to strong wind type vulcanization, that is, high temperature, high speed hot air vulcanization (Tmax: 450°C and Vmax: 60m/s) is also used. The effect of flame pretreatment can be achieved, and the safety is greatly improved. 2. The construction industry This product has also been applied in the construction industry. Some glass materials can be filled and caulked. The door and window sealing is also inseparable from this product. The above content fully introduces the characteristics of the role of automobile sealing strips. Introduced, we can find that this kind of sealing strip has a very big effect through understanding, and the environmental performance of this product is also very good, which not only brings good comfort, but also safety and beauty. So it is a very practical product. 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.
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