How much does the car door frame sealing strip
cost, and it also has good dustproof, sound insulation and decorative effects, and also protects the car body, effectively improving the comfort of the ride. The characteristics of the car sealing strip are resistant to -40 ℃ In the low-temperature experiment, the sealing strip does not become hard and brittle, and still maintains softness and good adhesion of the strip, 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. How much is the car door frame sealing strip The sealing strip is a very important part of the 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. Therefore, we have to check regularly and look at the specific gravity. If it is of good quality, the weight will be lighter, if it is a defective product, the weight will be heavier. This is because regular manufacturers use calcium carbonate as a filler and some manufacturers use talcum powder to increase the product. Therefore, we can easily distinguish good products from inferior products by looking at the specific gravity when buying. 3. Among them, the weather sealing strip has a hollow sponge tube, which has a good temperature and humidity maintenance function. The commonly used weather sealing strips include door frame sealing strips, trunk sealing strips, engine box cover strips, etc., and common general sealing strips have front and back Windshield sealing strips and corner window sealing strips, inner and outer strips, etc., 4, 5, according to material types, can be divided into rubber sealing strips; plastic sealing strips; thermoplastic elastomer sealing strips, special function classification, some sealing strips have electronic Intelligent functions, such as anti-pinch seals, etc. , The weight of the lightweight foam sealing strip is very light, which brings great convenience to the transportation and use process, and the product's strength and toughness are also very good. It can be used in any environment and can be used at very high temperatures. Working for a long time in a high and low temperature environment, these advantages have expanded the application range of the product. Then, what are the main application areas? 1. Modern industry and defense industry are not only very common in life, but also can be used in modern industry and defense industry to help companies produce products. 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. Car door frame sealing strips can be divided into solid core products (round, square, flat cross-section shapes), hollow products and metal rubber composite products according to the cross-sectional shape. Among them, metal rubber composite sealing strips account for more than 60%. The cross-section design is very important for the rubber sealing strip. The first is the shape and size design of the sealing lip. The sealing lips on both sides should contact the glass from both sides of the window glass with the same and appropriate force, and are classified according to the sealing characteristics. , Can be divided into weather sealing strip (WEATHERSTRIP) and general sealing strip (SEALING). It is used to maintain the door, window glass, front and rear windows, triangular windows and other parts of the body. Its better maintenance ensures safe and comfortable driving. However, few car owners pay attention to its maintenance, but in fact its maintenance is very It’s important because once it’s aging and damaged, it will cause rain leaks in the cabin and increase the wind noise of the car. Rain leaks can easily corrode the body. We can keep the car shelter from wind, rain, dust and heat by maintaining it. , Sound insulation effect, and when the body is shaken and distorted, it also plays a role in buffering, absorbing shock and retaining glass. It also plays a decorative role on the edge of the door and window junction, so the owner must maintain it frequently. Because PVC products contain halogens and heavy metals in stabilizers, they are not conducive to environmental protection. Therefore, developed foreign countries and domestic Beijing and coastal cities have eliminated or restricted the use of PVC strips, low temperature elasticity, and the temperature when the tensile capacity reaches 100MPa is -58 , EPDM rubber is a copolymer of ethylene, propylene and a small amount of third monomer non-conjugated diene, international name: EthyienePropyeneDieneMethyiene referred to as EPDM.
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