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Changzhou Shengjie Heli Chemical Fiber Co., LTD. High-strength Polyester Industrial Filament: Powerful fiber in the industrial field!
Release date: [2025/7/17]  Read total of [8] times

Changzhou Shengjie Heli Chemical Fiber Co., LTD. High-strength Polyester Industrial Filament: Powerful fiber in the industrial field!


High-strength Polyester Industrial Filament is an important branch of polyester fibers, specially designed for industrial application scenarios. It occupies an important position in the field of industrial materials due to its outstanding mechanical properties. It is made from purified terephthalic acid and ethylene glycol through a special spinning process. Compared with ordinary civilian polyester fibers, it has significantly improved strength and stability.


Its production process has been strengthened on the basis of conventional polyester spinning. After the raw materials undergo esterification and polycondensation reactions to form polyester melt, they enter the spinning stage. Molten polyester is extruded through a spinneret to form filaments, which are then subjected to multiple stretching stages. The stretching ratio is usually higher than that of civilian polyester, making the molecular chain arrangement more regular and significantly enhancing the breaking strength of the fibers. The stretched filaments still need to undergo high-temperature shaping treatment to reduce internal stress, enhance dimensional stability, and ensure that they are not prone to deformation under long-term stress. The entire production process has strict control requirements for parameters such as temperature and speed to ensure the consistency of fiber performance.


The performance characteristics of high-strength polyester industrial filament are very distinct. It has a high breaking strength and can withstand a large tensile force. It is not easy to break when bearing heavy objects. This feature makes it an ideal choice for scenarios that require load-bearing. Meanwhile, it has a relatively good elastic modulus, undergoes less deformation under force, and can maintain a stable structural form. In addition, it also has excellent chemical resistance. When in contact with acids, alkalis, organic solvents and other substances, its performance is not easily affected. Moreover, it has strong wear resistance and UV aging resistance, and can adapt to complex industrial environments.


Structurally speaking, the fiber diameter of high-strength polyester industrial filament is relatively uniform, and its surface is smooth, which is conducive to its combination with other materials during processing. Its cross-sectional shape is mostly circular, but it can also be made into an irregular cross-section as required to enhance the adhesion to the base material. Depending on different uses, products with different linear densities can be made. The range of linear densities is relatively wide, which can meet diverse industrial demands.


In terms of application scope, High-strength Polyester Industrial Filament can be found in multiple industrial fields. In rubber products, it is often used as a reinforcing material to enhance the strength and toughness of the products and extend their service life. In the manufacturing of ropes and cables, by taking advantage of its high strength and weather resistance, ropes capable of withstanding considerable tensile forces can be made, which are suitable for scenarios requiring traction and hoisting. In the field of geotechnical materials, it can be used to make geotextiles, geogrids and other products. With its corrosion resistance and strength, it plays a role in reinforcing the foundation and preventing soil erosion.


In the field of textiles, high-strength polyester industrial filament can be used to make industrial fabrics, such as filter cloth and canvas. These fabrics need to have high strength and wear resistance to meet the filtration and load-bearing requirements in industrial production. In the field of composite materials, it can be compounded with resins and other matrices as a reinforcing material to produce lightweight and high-strength composite materials, which are used to make various structural components.


When using high-strength polyester industrial filament, it is necessary to pay attention to its applicable environmental temperature range. Although it has a certain degree of heat resistance, long-term exposure to high-temperature environments may still lead to a decline in performance. When combined with other materials, it is necessary to ensure its compatibility with the matrix material to fully exert its reinforcing effect. In addition, during the processing, the process parameters need to be adjusted according to its mechanical property characteristics to avoid affecting the performance of the final product due to improper handling.


High-strength polyester industrial filament, with its outstanding performance, plays a significant role in industrial production and provides strong support for the performance improvement of numerous industrial products. With the continuous development of industrial technology, the requirements for its performance are also constantly increasing, driving the continuous improvement and innovation of production processes.


Changzhou Shengjie Heli Chemical Fiber Co., Ltd. was founded in 1999 and is located in the Zhen Dong Industrial Zone, Huangli Town, Wujin District, Changzhou City. It is a professional manufacturer of high-strength polyester industrial filament, high-strength nylon industrial filament, high-strength polypropylene industrial filament, polyester flame-retardant filament, polypropylene flame-retardant filament, polyester FDY filament and air-molded filament.