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      Hengshui Youjiete New Material Technology Co., Ltd.

      Hengshui YOUJIETE New Material Technology Co., Ltd.Composite Material Complete Set Product for Gas Station

      Hotline:0086-0318-8625288Language: Colse EnglishEnglish 中文中文
      Introduction to SMC sheet molding plastics


        Sheet Molding Plastic Sheet Molding Compound is a kind of molding plastic for the manufacture of unsaturated polyester FRP products by one thousand processes. Composition of SMC molded sheet: the middle core is composed of cut fibers (or felt) fully impregnated with resin paste, and the upper and lower sides are covered with film. The resin paste contains unsaturated polyester resin, initiators, chemical thickeners, low shrinkage additives, fillers, mold release agents, colorants and other components. The production and molding process is generally as follows: chopped raw yarn felt or glass fiber coarse fiber is laid on the film evenly coated with resin, and then another film coated with resin paste is covered on it, forming a kind of "sandwich" structure. It passes through the impregnation zone when the resin paste and the glass fiber (or felt) are fully kneaded and then integrated into the roll for the necessary curing treatment.

        SMC has good mechanical properties and easy to process, so it has become the attention of the material.SMC molding generally takes 3~6min, with the advantages of saving manpower and energy, convenient mass production, improve product quality and so on. Compared with a variety of materials,SMC is not only superior to traditional metal materials such as steel and aluminum, but also integrated to roll and carry out necessary curing treatment.

        SMC has good mechanical properties and easy to process, so it has become the attention of the material.SMC molding generally takes 3~6min, with the advantages of saving manpower and energy, convenient mass production, improve product quality and so on. In comparison with various materials,SMC not only outperforms traditional metal materials such as steel and aluminum, but also competes with general thermoplastics and other reinforced materials.


      (1)Compared with metal materials, SMC has superior electrical properties, corrosion resistance, light weight, easy engineering design, flexibility and other characteristics;

      (2)Compared with reinforced thermoplastics, SMC has shorter molding cycle, lower molding equipment investment, SMC products are not easy to deformation, higher mechanical properties and thermal deformation temperature, excellent chemical resistance, and lower price;

      (3)Compared with the general thermoplastics, the physical properties of SMC are incomparable to the latter.


      SMC characteristics

      1.Light weight and high strength: can achieve the goal of light weight, and has good impact resistance and energy absorption;

      2.Large degree of freedom in product design: to achieve streamlined design of the product, through the post-bonding technology to achieve the molding of hollow structure, reduce the weight of the product;

      3.The material fluidity is good, can realize the complex structure of the molding: bar, platform structure of a molding, embedded parts of the molding, the realization of the core pulling structure;

      4.Can achieve the car level of surface quality, can achieve the bonding between SMC parts or SMC parts and metal parts, can achieve high temperature paint with the body,line expansion coefficient is very low.

      5.Low thermal conductivity and good corrosion resistance: heat insulation, sound insulation, shock absorption, corrosion resistance.


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