First, the advantages of knitted underwear fabric:
Knitted underwear products are popular with people, not only because of its bright color, novel style, but also because it has many advantages that other fabrics do not have.
(1) Scalability. Knitted fabrics are made of yarns that are bent into a loop and are spliced ​​together. The coils have large expansion and contraction space above and below, so they have good elasticity. They fit and fit when worn, comfortable and convenient, suitable for stretching when the human body is exercising. Bending and other requirements.
(2) Softness. The raw materials used in knitted fabrics are fluffy and soft, less twisted yarns. The surface of the fabric has a layer of tiny suede, and the tissue consisting of coils is loose and porous, which reduces the friction between the skin and the surface of the fabric. Gives a feeling of comfort and gentleness.
(3) Hygroscopicity and gas permeability. Since the coils constituting the knitted fabric are skeined with each other, a plurality of isolated air bags are formed inside the fabric, which has good heat retention and air permeability. In addition, plant and animal fibers have a certain moisture absorption capacity, especially cotton fiber, and the moisture absorption performance is better. Therefore, wearing cotton knitwear in the summer, it feels cooler, no feeling of nausea and discomfort.
(4) Wrinkle resistance. When the knitted fabric is subjected to wrinkle external force, the coil can be transferred to adapt to the deformation under stress; when the wrinkle force disappears, the transferred yarn can be quickly recovered and remain in the original state.
In addition, chemical fiber knitted fabrics also have the advantage of being easy to wash and dry.
Second, the disadvantages of knitted underwear fabrics:
In addition to the above advantages, knitted underwear materials have some shortcomings:
(1) Weft knitted fabrics are easily detachable. When the yarn on the knitted fabric breaks or the coil loses the string contact, causing the separation between the coils, the coil will be dissipated in the longitudinal direction, which will affect the appearance and strength of the fabric. It is possible to choose a structure that is resistant to de-dispersion, or a yarn having a large coefficient of friction and a high bending rigidity as a raw material to overcome this disadvantage.
(2) Poor dimensional stability. In addition to chemical fiber knitwear, other knitwear have varying degrees of shrinkage.
(3) Easy to hook up and fluff and pilling. Due to the loose structure of the knitted fabric, during processing and use, the fibers on the fabric are easily hooked out by sharp objects to form a wire loop. At the same time, the fibers are often raised by abrasion. This will directly affect the performance of the utility.
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