Features of silicone shaped strips, 6) Classification and function, high-quality sealing strips will improve the overall style and performance of the door in terms of appearance, internal quality or later use, and covered sealing strips are the modern development trend. 'Humanization' In the past, traditional sealing strips have always paid more attention to materials and workmanship, and ignored the attention to humanization in use. With the improvement of people’s living standards, the improvement of housing conditions and people’s high attention to home decoration, indoor More and more people pay attention to the privacy, sound insulation and sealing effect of the room. Automotive product rubber formula and its preparation method and process Background technology: At present, the low temperature performance of the rubber products used in the cars on the market is generally around -25 ℃, but in the climate In the harsher local environment, the rubber parts on the car cannot withstand the airflow of the cold air, which greatly reduces the product life. The performance of the rubber products used in the car directly affects personal safety. For example, Toyota recalled the car parts in the past few years. Some of the cars sold have caused serious reputational consequences, so all automobile manufacturers need a rubber product with long-term stable performance and sufficient safety. Features of silicone shaped strips Four composite sealing strips-Shanghai Shenya Sealing Co., Ltd. in China Take the lead in the development and production of a composite sealing strip composed of 4 kinds of rubber materials, and a thin protective layer of glue is coated on the surface of the sponge rubber (bubble tube), thereby further improving the service life of the sealing element, and the automobile sealing strip According to the surface treatment state, the surface of some sealing strips can be divided into flocking type sealing strips; surface coating sealing strips; special functional classification of car sealing strips with fabric patching sealing strips. Some sealing strips have electronic intelligent functions, such as anti-corrosion. Pinched sealing strip, etc. Where can it be used? Wooden windows, aluminum-clad wood, aluminum alloy doors and windows, wooden doors, wood-plastic doors, ecological doors, log doors, solid wood doors, painted doors, oak doors, composite doors, suit doors, anti-theft Doors, sliding doors, closet doors, cabinet doors, copper doors, cast aluminum doors, plastic steel doors and windows, etc., 035W/m2K; 5. Fatigue resistance test: imitating window opening and closing 500,000 times, without significant changes in shape 6. Sound insulation test: only IV68 windows with middle rubber strips, 43 decibels noise reduction 7, IV76 windows with middle rubber strips and additional rubber strips, 45 decibels noise reduction 8. Outdoor aging resistance test: It has been more than 20 years, and the performance remains intact. Series products It is an environmentally friendly product and does not contain CFC harmful substances. It is also called fireproof silicone sealing strip and fireproof self-extinguishing silicone sealing strip. It is known for its good flame-retardant and self-extinguishing performance. The main process is to first use high-quality silicone materials to pass A large extruder makes a molded silicone strip
, which is then vulcanized and dried at high room temperature. Compared with ordinary silicone strips, the difference between high temperature and flame retardant silicone strips is that it needs to add flame retardant to the formula. Powder, the silica gel strip produced in this way has super flame-retardant and fire-resistant performance, and has a certain safety guarantee in the sealing of electronic appliances, so many people also call it a fire-proof sealing strip. Technical realization elements: the present invention requires The technical problem to be solved is to provide a rubber formula for automobile products and its preparation method, which has good low-temperature performance and can be used in harsh weather conditions. In the local environment, it can withstand the invasion of cold air and ensure good performance, thereby ensuring 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 shaped strips are characterized by environmental protection, simple construction, anti-seepage, anti-leakage, and good water-stop effects. 2) Corrosion resistance, aging resistance, high and low temperature resistance +80℃~-45℃ No flow, deformation, no brittleness, use Long life, thermoplastic EPDM rubber sealing strip This sealing strip is a new material developed on the basis of imported technology from abroad and domestic independent research and development in recent years. It is mainly used for automotive door and window sealing strips. It has been used in recent years. For building door and window sealing strips, its outstanding advantages are: ①The performance and service life are equivalent to those of vulcanized EPDM rubber sealing strips. Energy-saving doors and windows are roughly composed of profiles, hardware, glass and EPDM door and window sealing strips, as well as several major modules of processing technology. The sealing strips are relatively low cost due to their proportion and are affected by some traditional concepts that do not pay attention to energy-saving standards for doors and windows. , Has been ignored by many door and window manufacturers, but we can’t help but admit that the sealing strip plays a vital role in the door and window system. What important role can EPDM sealing strip play in the door and window system? . 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 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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