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| After more than 20 years of development, automobile plastic rubber sealing ring product structure and product design, production equipment and technology achieved significant progress, the majority of sealing strip extruding production line heating curing methods for the combination of microwave vulcanization and hot air vulcanization, and the use of glass beads boiling bed vulcanization and curing tank heating curing methods, in recent years and the introduction of European high temperature and strong wind, multi send wind heated and vulcanized rubber seal strip extrusion production line. Automotive rubber seal ring materials is EPDM rubber, in order to meet the requirements of different types and different installation site, car with rubber sealing ring requires the use of different properties of EPDM rubber mixing rubber production. With the development of automobile industry, more and more new materials for rubber sealing ring for automobile, especially thermoplastic elastomer (TPE) as the superiority of automotive rubber seal industry was recognized, with rubber sealing ring in automotive thermoplastic elastomer materials are mainly polyolefin thermoplastic elastomer, its good wear resistance, low friction coefficient, the extrusion materials used to seal strip for automobile glass guide groove, a rubber sealing ring can be used as vehicle corner materials; in addition water foaming sponge TPE has been developed in foreign countries, has been in the car with a rubber sealing ring is widely used become a new trend, making automotive rubber seals used instead of sponge rubber; another TPE coloring process is simple and convenient, has been often used as automotive rubber seal outer decorative material, the color TPE and color rubber Online Coextrusion coating rubber seal technology, several domestic automotive rubber seal enterprises have been introduced. In order to prevent automobile rubber ring and the gold body pull seals are opened the jointing surface of the freezing adhesion, usually by silicone coating of rubber sealing strip joint surface processing; polyurethane coating spraying the rubber seal sliding surface is used to replace the static flocking technology also began to popularization and application. Rubber high temperature resistant sealing strip than ordinary silicone rubber sealing strip better is by is resistant to high temperature silicone raw material, is mainly used for high temperature working environment, items seal. This kind of high temperature resistant rubber seal -50 - 120 degrees, and can work for a long time, stable and reliable performance. Common high temperature sealing strip is by EPDM, elastomer (TPV, TPE, TPR, SEBS), change of PVC, silicone material, using microwave vulcanization and foaming extrusion molding, the surface is smooth and beautiful, with good elasticity and anti compression deformation. High temperature resistant automobile rubber sealing ring is often used in: 1, plastic steel windows and doors, aluminum alloy doors and windows, doors and windows building decorate the doors and windows, the main role is dustproof, insect resistant, waterproof, sound insulation, sealing and other. 2, the door the door jamb, side windows, front and rear windshield, hood and trunk lid to waterproof, dustproof, sound insulation, heat insulation, shock absorption, decorative role. 3 the electric tank sealing, which has good sealing, waterproof, fire prevention, pest control, wind and light insulation, collision avoidance and the use of long life and other characteristics. |
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