Water absorption of fiber Moisture-absorbing and sweat-wicking fibers have the characteristics of water absorption. There are many internal and external communication micropores or fibril gaps and surface grooves on the fiber surface, so that water can easily enter between the fibers. At the same time, there are many tubular grooves or grooves along the fiber axis. The capillary provides a channel for the migration of water, so the fiber has good water absorption. After absorbing water, the phenomenon of swelling due to water absorption like cotton does not appear. Dryness of fiber The moisture between the polyester fibers is mainly held by the fibers by the attraction of a large number of microporous capillaries, or mechanically held in the capillaries between the fibers. Under normal ambient temperature, moisture is easily transported to the fiber surface and volatilized away.
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