The purpose of the silicone strip
, if your cracks are large or the degree of aging is serious, then you do not need to use the adhesive. It is more convenient to replace it with a new one. The replacement method is very simple, but in order to achieve a good effect, please Professionals update, but 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, almost invisible. 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 use of silicone strips is suitable for all kinds of doors, windows, etc. 2. Cabinet sealing strips have developed their own characteristics based on the use of electrical cabinets and based on 20 years of experience in the development of sealing strips. It has the characteristics of good sealing, waterproof, fire-proof, insect-proof, wind-proof, light-proof, anti-collision and long service life. 1. The steel frame is three-composite, which is not easy to deform and shrink, and the assembly is firm. Sealing strip, the product has good elasticity, resistance to migration, can effectively block noise, dust, and weather. At a high temperature of 120°C, the weather resistance of the sealing strip is still good, maintaining elastic properties, and its shape and function are not affected. It is elastic at low temperature and the temperature when the tensile capacity reaches 100MPa is -58. The characteristics of the neoprene sealing strip: Compared with other special rubbers, the individual performance is worse, but the overall performance balance is good, with excellent weather resistance, ozone resistance, heat aging resistance, oil and solvent resistance, good chemical resistance and excellent flame resistance. , Has good stickiness. 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 can play a delaying effect in the case 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. 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. The use of silica gel strips can be classified into solid core products (round, square, flat cross-section shapes), hollow products and metal rubber composite products according to the cross-sectional shape. Second, heat aging resistance EPDM The sealing strip has been tested many times before production. It can be seen from the experiment that the product can continue to work in a high temperature environment without aging. Therefore, many companies use the product to improve work efficiency , So as to obtain more profits. 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. B. Sealing strip for continuous vulcanization in salt bath: Salt bath vulcanization adopts a salt bath system containing nitrite, which pollutes the environment and has been gradually eliminated. C. According to the section shape, it can be divided into solid core products (round, square , Flat cross-section shape), hollow products and metal rubber composite products, EPDM rubber sealing strips are much stronger than PVC strips in terms of sealing elasticity and durability, but due to the need for microwave vulcanization line shaping, processing performance High consumption, usually more than 20 times that of PVC processing, the product cannot be reused, it is not environmentally friendly, and it is not an advocated product.
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