The silicone strip is flattened. In addition, the material proportion of this type of product (above 1, 4) is equivalent to that of PVC (low-end vulcanized EPDM strips have a larger proportion). The window rate is similar to that of PVC strips, 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). 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 function of the silicone strip flattening seal is to improve the air tightness and prevent wind and rain from entering the car. In order to avoid the occurrence of the above, the seal should be maintained regularly. 5. Because of its excellent physical and mechanical properties, It is often used to manufacture airplanes, cars, trains, passenger cars, ships, high and low voltage switch cabinets, glass curtain walls, aluminum alloy heat-insulating windows, sealing parts and diving products, high-pressure steam hoses, tunnels, viaduct joints and other waterproof parts and other industries , Agricultural sealing parts. 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. It is divided into self-adhesive type and card slot type. It is used in different doors and windows. It is more convenient and feasible in operation and installation. It does not react with any paint or cleaning agent. Customers do not need to worry about the integrity and beauty of doors and windows. Pieces: elastic pan seat and key or fixing screw 1. Use your nose to smell whether there is any peculiar smell. Normal PVC sealing strip
s will have a pungent smell, normal silicone rubber sealing strips will only have a little mellow smell , The smell is so small that it can hardly smell. 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 strip flattening car sealing strips can be classified into weather sealing strips (WEATHERSTRIP) and general sealing strips (SEALING) according to the sealing characteristics. Among them, the weather sealing strip has a hollow sponge tube, which has a better temperature and humidity maintenance function. , In the usual maintenance process, the following items are included. First, the detergent must be cleaned. After the cleaning is not done, a layer of protective agent must be applied. This can prevent aging and prevent dust. If the smell is great, it is not a regular PVC. The sealing strip is a frequently used product, which is made according to a special process and special materials. The function of the sealing strip is to play a sealing role. It is an indispensable part of many products that can effectively protect the performance of utensils. It can be said that it is indispensable and plays a great role. We cannot ignore it. Another point is that it does not absorb water, so it It is also a material that replaces traditional asphalt. It is not precisely because of its water resistance that it will not be saturated under high water pressure. Another point is that it is more environmentally friendly on the entire material and will not cause any damage to the human body. s damage. , Elastomer TPE water floating sealing strip is applied to door and window sealing strip, mainly divided into: plastic steel door and window sealing strip, aluminum alloy door and window sealing strip, wooden door sealing strip, cold storage door sealing strip, grain storage door sealing strip, flame retardant door and window sealing strip , Glass sealing strips, automatic revolving door sealing strips, building door sealing strips, curtain wall sealing strips, etc., the so-called sealing strips with pores inside, this product is formed at one time through the microwave vulcanization process during production. Therefore, the surface is not only very smooth, but also has good aesthetics. It will not leave any joint marks during production. At the same time, the elasticity and resistance to compression deformation are also very strong. Let us take a detailed look at the hair The characteristics of the bubble sealing strip. 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 of claim 1, wherein the automobile product rubber is based on a weight ratio of 100 for EPDM, 90 for carbon black, 20 for softening oil, and 15 for processing aids. , The accelerator is 5.
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