How to connect silicone strip
s. This technology is recognized by the world as a good process 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, which not only generates heat quickly, but also The uniform distribution is beneficial to improve product quality and greatly shorten the heating time. Hot air vulcanization sealing strip
: Hot air vulcanization has developed to strong wind type vulcanization, that is, high temperature, high-speed hot air vulcanization (Tmax: 450°C and Vmax: 60m/s) can also achieve the role of flame pretreatment, and the safety is greatly improved. 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 to connect the silicone strip to the auxiliary seal of the compensation ring is a metal bellows called a bellows mechanical seal. 2. The composition of the mechanical seal: There are mainly the following four types of components, a, the main seal: moving ring and static ring, b, auxiliary Sealing parts: sealing ring, c, pressing parts: spring, push ring, d, three. At the same time, put the PVC sealing strip and the silicone rubber sealing strip in the freezer compartment of the refrigerator. After a few hours, the PVC sealing strip will feel very feel. Stiff, easy to break, the physical properties of the silicone rubber sealing strip has no change. At a high temperature of 120°C, the weather resistance of the sealing strip is still good, and the elasticity is maintained. The shape and function are not affected. The low temperature elasticity, the temperature when the tensile capacity reaches 100MPa is -58, and 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. It plays a key role in various electrical cabinets. The main performance of EPDM products: the product is non-toxic, environmentally friendly, resistant to aging and high temperature, stable performance, and can maintain good performance in summer and winter. The process performance of commonly used rubber compounds sometimes requires the use of combined rubber, such as the combined use of natural rubber (NR) with CR and styrene butadiene rubber (SBR) or the combined use of polyethylene (PE), EPDM and NR rubber to improve resistance. Ozone. 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. How to connect the silicone strip to the characteristics of the car sealing strip In the -40℃ low temperature resistance test, the sealing strip does not become hard, not brittle, and still maintains softness and good adhesion of the rubber strip, showing excellent cold resistance, and is used for automotive sealing. The strips are mainly composed of EPDM rubber foaming and dense compounding with good elasticity and resistance to compression deformation, aging resistance, ozone, chemical effects, and a wide temperature range (-40℃~+120℃). It is made of unique metal fixture and tongue buckle, which is durable and easy to install. 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 sheltered from wind, rain, dust and heat by maintaining it. , The effect of sound insulation, and when the body is shaken and twisted, 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. Automobile sealing 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 EPDM sealing strips are in production Many experiments have been carried out before. 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 to obtain More profit.
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