The sound insulation, heat preservation, sealing, impact resistance and environmental protection characteristics of the glued glass silicone strip
s have attracted more and more consumers' attention. 'Functionality' has long been a functional and rational design in Germany. Reliable image, especially the harmony and unity of the whole product in terms of technology, function, logic and sense of order. 'The covered sealing strip
structure makes the door leaf and the door sleeve tight and seamless, blocking sound penetration and has a stronger Resilience, sound insulation and environmental protection. Automobile product rubber formula and its preparation method and process. Background technology: The low temperature performance of rubber products used in current cars on the market is generally around -25 ℃, but the car is in a harsh climate. The rubber parts on the car cannot withstand the airflow of the cold air, resulting in a greatly reduced product life. The performance of the rubber products used in cars directly affects personal safety, such as Toyota’s auto parts problems in the past few years and the recall of some cars sold Serious reputation consequences, therefore, all automobile manufacturers need a long-term stable and sufficiently safe rubber product. Sticky glass silica gel strip B, salt bath continuous vulcanization sealing strip: salt bath vulcanization adopts a salt bath system containing nitrite, The environmental pollution is large, and it has been gradually eliminated. C, according to the cross-sectional shape, it can be divided into solid core products (round, square, flat cross-sectional 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. However, due to the need for microwave vulcanization line shaping, processing energy consumption is high, usually more than 20 times that of PVC processing. Products cannot be reused, not environmentally friendly, and not advocated The product. The auxiliary seal of the compensation ring is a metal bellows called a bellows mechanical seal. 2. The composition of the mechanical seal: mainly includes the following four types of components, a, the main seal: moving ring and static ring, b, auxiliary seal Parts: sealing ring, c, compression 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 stiff. , Easy to break, no change in the physical properties of the silicone rubber sealing strip. At a high temperature of 120 ℃, the weather resistance of the sealing strip is still good, maintaining elastic properties, and the shape and function are not affected. The thermoplastic EPDM rubber sealing strip , Often now many luxury cars also use this type of EPDM sealing strip, so what kind of performance does it have in actual use? First of all, its flexibility is relatively large. This point is very important. Only when this point is reached, can you maintain good performance when you use it, and at the same time, it will not be deformed during long-term use. Technical realization factors: the technology to be solved by the present invention The problem 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 harsh climate, guarantees good performance, and thus guarantees personal safety. Technical realization elements: the present invention The technical problem to be solved is to provide a rubber formula for automobile products and a preparation method thereof, which has good low temperature performance and can survive in harsh local environments Withstand the attack of cold air to ensure good performance, thereby ensuring personal safety. The glued glass silicone strip prevents collisions. There will be a 'bump! Bump!...' impact sound when you close the door and cabinet door countless times. Will it affect your mood and mood every day? The new PU foam sealing strip has super Strong resilience, no deformation, odorless and environmentally friendly, sound insulation and anti-collision effect is more obvious, it is worth having, 5) EPDM rubber material 40°F-248°f (-40°C-120°C), nitrile-butadiene The rubber material is 40°F-248°f (-40°C-120°C), and the silicone rubber material is 40°F-260°f (-40°C-126. The microwave vulcanization process is used for one-time molding, and the surface is smooth and beautiful without joint marks. It has good elasticity and resistance to compression deformation, excellent aging resistance, excellent flame retardancy, low smoke and low toxicity; stable product performance, high dimensional accuracy, six, burning, PVC sealing strip burning will blistering, shrinking, and black thorns The smoke from the nose is not fully burned, leaving hard plastic residues. The silicone rubber sealing strip burns almost smokeless, odorless, fully burned, and the burned substance is white powder. Nowadays, automobiles have become very common and have become Our main transportation tool, the basic function of which can fill some gaps in the body, so that it can achieve good shock absorption and waterproof effects. Features: 1. EPDM has excellent weather resistance and weather resistance means long-term The ability to resist severe cold, heat, dryness and humidity, and has excellent corrosion resistance to the erosion of rain and snow, which can completely extend the service life of the rubber strip; 2. Heat aging resistance refers to strong heat-resistant air aging 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. As claimed in claim 1. The automobile product rubber described is characterized in that the automobile product rubber is calculated by weight ratio, with EPDM rubber being 100, carbon black being 90, softening oil being 20, processing aid being 15, and accelerator being 5
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