Silica gel semi-circular foam strip
, B, continuous salt bath vulcanization sealing strip: salt bath vulcanization adopts a nitrite-containing salt bath system, which has a large environmental pollution and has been gradually eliminated. C, classified by section shape, can be divided into solid cores Products (round, square, flat cross-section shape), hollow products and metal rubber composite products, etc. EPDM rubber sealing strips are much stronger than PVC strips in terms of sealing elasticity and durability, but due to the need for microwave The vulcanization line is shaped and the processing energy consumption is high, usually more than 20 times that of PVC processing. The product cannot be reused, is not environmentally friendly, and is not an advocated product. 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. Silicone semicircular foam strip 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 ignored 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 More and more people pay attention to the privacy and sound-proof sealing effect of rooms. The sealing strips are made of rubber, paper, metal, plastic and other materials. Low-end products use waste materials, substitute plasticizers and high filling materials. To make the rubber strips have poor elasticity, easy to be hard, have a nasty smell, easy to migrate, make the frame material yellow, and have a short service life. Features 1. EPDM has excellent weather resistance and weather resistance means long-term resistance to severe cold. , Hot, dry, and humid, and has 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 heat-resistant air aging. 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. Therefore, it is a product with very good practicability. 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 be used in a harsh climate. Withstand the attack of cold air to ensure good performance, thereby ensuring personal safety. Technical realization elements: 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 is in a harsh climate. In the local environment, it can withstand the attack of cold air to ensure good performance and ensure personal safety. Silicone semicircular foam strip B, salt bath continuous vulcanization sealing strip: salt bath vulcanization adopts a salt bath system containing nitrite, which will pollute the environment Larger, has been gradually eliminated, C, according to the cross-sectional shape classification can be divided into solid products (round, square, flat cross-sectional shape), hollow products and metal rubber composite products and other types, EPDM rubber sealing strip in Sealing elasticity and durability are much stronger than PVC strips, but due to the need for microwave vulcanization line shaping, processing energy consumption is high, usually more than 20 times that of PVC processing, the product cannot be reused, it is not environmentally friendly, and it is not a recommended product. 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. The surface of the plastic steel door and window sealing strip is smooth and clean. It not only has excellent sealing and waterproof performance, but also plays a role of beautiful decoration. In terms of material selection, manufacturers with higher requirements generally choose EPDM rubber or thermoplastic EPDM rubber, according to the location And use classification (1) window glass sealing strip; (2) door seal
ing strip; (3) decorative strip, molding strip; (4) other sealing strips (trunk lid sealing strip, engine hood sealing strip, water tank sealing strip, Emergency door sealing strip, etc.). 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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