
Polypropylene high strength yarn, as a high-performance category of polypropylene fibers, its chemical properties directly determine the applicable range of applications and the performance of usage. Relying on the molecular structure characteristics of the polymerized propylene, this fiber forms unique advantages in terms of chemical stability and thermal properties. However, it also has some performance limitations, which need to be addressed through targeted processing to expand the application scenarios.
Its excellent chemical corrosion resistance makes it suitable for scenarios involving contact with multiple media. The non-polar nature of the polypropylene molecular chain enables the high-strength polypropylene yarn to resist the erosion of most acid, alkali, and salt media at room temperature. Only under the action of extremely concentrated acid or alkali reagents will there be structural damage. This characteristic makes it highly practical in scenarios such as chemical filtration and marine cables, maintaining structural integrity in complex media environments.
Thermodynamics and combustion chemical properties determine the temperature usage boundaries. Its melting point remains around 165℃, which can adapt to the normal industrial ambient conditions. However, its thermal stability is limited and it cannot withstand high-temperature ironing or long-term high-temperature environments. During combustion, it exhibits the characteristic of melting and easy ignition. After being removed from the fire, it continues to burn and releases a specific odor. The ash form is easy to distinguish, and this property determines that it is not suitable for high-temperature or scenarios with strict fire prevention requirements.
The shortcomings of dyeing and weather resistance can be addressed through modification techniques. Due to the lack of polar sites in the molecular chain, the natural dyeing of polypropylene high-strength yarn is very difficult and the color spectrum coverage is limited. Therefore, direct liquid dyeing has become the mainstream solution. At the same time, its light resistance is relatively weak. It is prone to aging and brittleness when exposed to the outdoors for a long time. By adding anti-aging additives and optimizing the spinning process, it can meet the usage requirements for outdoor geotextiles and other scenarios.
The balance of electrical insulation and anti-static properties is suitable for specific scenarios. Polypropylene high strength yarns have excellent electrical insulation performance and exhibit outstanding resistance to static electricity. They are suitable for use in the field of insulating materials, but during the processing, static electricity accumulation is prone to occur. By modifying with anti-static agents, they can be widely applied in scenarios requiring control of static electricity, such as packaging of electronic components and industrial filter materials, achieving precise matching of performance and requirements.
Guangdong Qingyuan Yitong Weaving Co., Ltd. specializes in the production and sales of pp yarn, polypropylene high strength yarn, polypropylene light body yarn, polypropylene high strength yarn, 300D polypropylene polypropylene yarn, polypropylene network yarn, polypropylene twist yarn, 300D polypropylene high strength yarn, 1200D polypropylene high strength yarn, anti-aging polypropylene yarn, anti-static polypropylene yarn, Yitong polypropylene twist yarn, etc.
Qingyuan Yitong weaving Co., LTD
Website: http://www.gdytzz.com
Domestic business: He Shanbin
Tel: 0763-6812222
Fax: 0763-6813888
Mobile: 133 5289 9993
Foreign business: Landy
Tel: 0763-6813199
Mobile: 135 5399 2535


