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中文简体Humidity is one of the important environmental factors that affect the performance of nylon yarn. As a synthetic fiber, nylon yarn is extremely sensitive to changes in humidity. High humidity will cause nylon yarn to absorb water and swell, which will affect its physical and chemical properties, and thus affect its performance in different applications.
Nylon yarn has high water absorption. High humidity will cause the hydroxyl groups in the molecular chain of nylon yarn to combine with water molecules, causing the fiber to swell. This expansion will increase the length and diameter of the nylon yarn, thus affecting its strength and durability. Especially in applications that need to withstand high tension or high friction, the water absorption and expansion of nylon yarn may cause the fiber to break or deform, reducing its service life.
In a high humidity environment, the molecular structure of nylon yarn may change, reducing its strength and stiffness. Nylon yarn is prone to deformation and fatigue in a humid environment, resulting in a decrease in fiber strength. Therefore, when using nylon yarn products in a high humidity environment, it is necessary to consider the impact of its reduced strength and take corresponding reinforcement measures to ensure its stable performance.
Nylon yarn will also shrink thermally while absorbing water and swelling, which may cause nylon yarn products to deform or shrink in a high humidity environment. Especially in applications where shape stability is required, humidity changes may affect the size and appearance of nylon yarn products, and the effect of humidity on its deformation and shrinkage needs to be considered.
Some specially treated nylon yarns may have better waterproof properties, which can effectively prevent the impact of humidity on its performance. For nylon yarn products used outdoors or in humid environments, choosing nylon yarn types with good waterproof properties can effectively extend their service life.
