
In the field of synthetic fiber textiles, polypropylene strong filament is a common technical term, but it often appears under another name - PP yarn.
Polypropylene strong filament is also known as PP yarn. It belongs to the category of conventional strength polypropylene long filaments. It is made by melting and spinning the polypropylene raw material and then undergoing stretching and shaping processes. PP yarn / polypropylene strong filament is a widely used textile material, especially playing an important role in webbing and rope products. Many inconspicuous accessories in daily life, such as backpack straps, shoelaces, and mobile phone straps, often use this kind of fiber as their basic material.
The reason why this material is widely selected is related to its characteristics. The density of polypropylene is approximately 0.91g/cm, which is among the lighter chemical fibers. This means that with the same weight of raw materials, a larger area of fabric can be produced, helping to reduce transportation costs. At the same time, it also has good heat resistance and sufficient tensile strength, which can meet the usage requirements of daily civilian products.
This material has the typical characteristics of polypropylene fibers. Its overall texture is lightweight, resistant to acids and alkalis, corrosion-resistant, moisture-proof, and mold-resistant. Even in a humid environment, its mechanical properties do not show significant degradation, and its wear resistance is also relatively good.
Unlike polypropylene strong filament which is positioned as "adequate for daily use", polypropylene high-strength filament is produced by optimizing the spinning process and significantly increasing the stretching ratio, making the breaking strength reach 6.0 cN/dtex or above, which is about 1.5 to 2 times that of strong filament. High-strength filament sacrifices some softness, with a harder feel, but it gains stronger tensile strength and a lower elongation rate.
Due to this performance differentiation, the application fields of the two are clearly distinct: Strong filament mainly serves daily civilian products such as luggage webbing, shoelaces, and decorative fabrics, while high-strength filament mainly targets industrial and safety fields, such as lifting belts, safety ropes, container bags, and geotextiles, which require high load-bearing capacity or long-term outdoor use.
In summary, whether called polypropylene strong filament or PP yarn, they both refer to this practical fiber made from polypropylene. Understanding these aliases and its basic characteristics can help professionals in related industries make more effective choices in raw material selection and product application.
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


