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What are the characteristics of High Tenacity Anti Fire Nylon 66 Filament Yarn

2025-11-06

High Tenacity Anti Fire Nylon 66 Filament Yarn combines high strength and flame-retardant properties while retaining other excellent characteristics of nylon 66. The specific features are as follows:

1.High strength: The molecular chains are tightly arranged, with high crystallinity. The strength of ordinary fibers can reach 4.9-5.6 cN/dtex, and the strength of strong fibers can reach 5.7-7.7 cN/dtex. It is suitable for manufacturing products such as tire cords and ropes that require significant external force.


2.Good wear resistance: Nylon 66 textiles have the highest wear resistance among various fibers, which is 10 times that of cotton fibers and 50 times that of viscose fibers. Nylon 66 textiles can withstand about 40000 times of friction before holes appear due to wear, making socks, carpets, and other durable products.

3.Good dimensional stability: It can maintain relatively stable dimensions under different temperature and humidity environments, and is not easily affected by environmental factors. It is suitable for products such as sewing threads and automotive airbag fabrics that require high dimensional accuracy.

4.Easy to process: It has good processability and can adapt to various processing techniques such as spinning, weaving, printing and dyeing. During the processing, it has good fluidity and is easy to form, which can improve production efficiency and reduce costs.

5.High temperature resistance: Compared with ordinary synthetic fibers, it has higher high temperature resistance and can maintain good strength and stability in certain high temperature environments. It is not easy to soften or deform and can be used for automotive engine peripheral components.

6.Soft Touch: Despite its high strength, it has a relatively soft touch and can provide a comfortable wearing experience when used in the textile and clothing industry.

7.Good chemical stability: It has good tolerance to various chemical substances such as acids, bases, most inorganic salt solutions, halogenated alkanes, etc., and is not prone to chemical reactions. It has advantages in applications in the chemical industry and other fields.

8.High elasticity and rebound rate: When stretched by 3%, the rebound rate can reach 95% -100%. After being stretched by external forces, it can quickly recover to its original state and is not easily deformed, ensuring good shape and dimensional stability of the finished clothing.

9.Adjustable flame retardant performance: By adjusting the type, dosage, and formula of flame retardants according to different application scenarios and safety requirements, the flame retardant performance can be precisely adjusted from mild flame retardant to highly flame retardant, meeting diverse needs.

10.High mechanical performance retention rate: Through special formula design and processing technology optimization, some high-strength flame-retardant nylon 66 filament yarns can maintain the original excellent mechanical properties of nylon 66 to the greatest extent after adding flame retardants, with a small decrease in mechanical properties such as tensile strength.

11.Low smoke and low toxicity: High strength flame-retardant nylon 66 filament yarn using environmentally friendly flame retardant systems such as halogen-free flame retardants produces less smoke during combustion and has lower toxicity, which can reduce the risk of secondary injury during fires.

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