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Why does nylon yarn need to be wet treated

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The main purpose of wet processing Nylon Yarn is to adjust the properties of the fiber, including increasing softness, improving hand feel, enhancing elasticity and changing the appearance of the yarn. Wet treatment is a treatment process carried out under specific humidity and temperature conditions, usually through water or steam medium, to wet and heat treat Nylon Yarn.
Improved softness and feel:
Wet processing can make Nylon Yarn softer and improve its feel. This is very important for making soft textiles and clothing, especially in applications that come into direct contact with the skin, such as underwear, home wear, etc. Wet processing helps reduce the roughness of the fiber surface and makes the yarn more comfortable.
Increased flexibility:
Through wet processing, the molecular structure of Nylon Yarn can be adjusted and its elasticity increased. This is critical for textiles and fabrics that need to be more stretchy, such as sportswear, elastic pants, etc. Increased elasticity can also improve the resilience of the yarn, making it more shape-memory.
Improve the hygroscopicity of yarns:
Nylon fiber itself has a certain affinity for moisture, but wet processing can further improve the hygroscopic properties of the yarn. This helps to increase the moisture vapor permeability of the fabric, making it more suitable for use in humid environments while also increasing wearing comfort.
To change the appearance of yarn:
Wet processing can also change the appearance of Nylon Yarn, making it more shiny and uniform. This is very important for some textiles that need to have good appearance, such as high-end clothing, household items, etc. Wet processing helps make the yarn surface smoother and improves gloss.
Remove static electricity:
During the wet processing process, the increase in humidity can effectively reduce the static electricity generated by Nylon Yarn. This is very important in some applications, such as textile manufacturing, to prevent fibers from generating static electricity during manufacturing and use.

Colored nylon yarn is a versatile and high-quality material that finds extensive use in various industries. Specifically, the 70D/2 nylon yarn is a notable variant that offers strength, durability, and aesthetic appeal. With its unique specification parameters, this yarn is designed to meet the diverse requirements of different applications, ranging from textiles to industrial manufacturing.
The colored nylon yarn with a specification parameter of 70D/2 refers to a yarn composed of nylon fibers with a denier (D) of 70 and a filament count of 2.