The silicone strip is bonded by silica gel, and this EPDM sealing strip
is often more advanced in design. It has an independent bubble structure, so that it can form a good sealing and bonding rate. The bubbles have also reached a uniform distribution, which can achieve good expansion and contraction performance. It is precisely because of this that it can achieve the superior performance of not flowing, deforming, or cracking during use. It is in contact with Except for the flat surface, the material cannot be combined with many uneven 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. What is silica gel bonding? The covering type sealing strip is a composite product made of four kinds of materials with good quality. The tough outer skin not only provides the basic quality guarantee for the covering type sealing strip, but is also beautiful and elegant. It is an excellent companion for modern home doors and windows; thermosetting The core, the main component is PU, which is the main material of the coated sealing strip. Its super plasticity and our company's excellent technology can meet the needs of different door and window manufacturers; the internal PP skeleton and the perfect combination of plastic and rubber TPU The fishbone barb design and the classified application of the double-sided tape imported from Germany further improve the covered sealing strip. New types of thermoplastic elastomers, such as TPO and TPV, are used more and more in automotive sealing strips. According to the type classification, D-type sealing strips are divided into large D-type, small D-type sealing strip, P-type sealing strip and E-type. Sealing strip, but with the development of the automobile industry in recent years, a domestic-made Wonder double-sided adhesive has taken up more and more market shares. It overcomes the shortcomings of 3M adhesive construction that is not resistant to cold, simple construction, and durable adhesiveness. The effect of the previous temperature on the life of the sealing strip! . 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. 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 silica gel is bonded in the raw materials for the manufacture of sealing strips. The main raw material EPDM used in the past is also constantly updated and developed. It has excellent physical properties and good processing properties. The new type of EPDM can control the long chain of the molecule. Branching makes the vulcanization performance better, and can increase the extrusion speed and product output. These materials not only have the excellent engineering properties of elastomers, but also have the excellent characteristics of plastics, which are convenient for processing and can be recycled and reused. Materials are gradually replacing EPDM products. 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. This technology is recognized by the world as a good process method 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. This not only generates heat quickly, but also distributes it uniformly, which is beneficial Improve product quality and greatly shorten the heating time. Hot air vulcanization sealing strip: Hot air sulfur has developed to strong wind type vulcanization, that is, high temperature, high speed hot air vulcanization (Tmax: 450°C and Vmax: 60m/s) is also used. The effect of flame pretreatment can be achieved, and the safety is greatly improved. 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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