What is 4way stretch fabric? Processing method of 4way stretch fabric

Release time: 2025-03-24

Understand the 4way stretch
Fabric knowledge

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Understand the 4way stretch

4way stretch fabric, as the name suggests, is a type of fabric that has elasticity when stretched up, down, left, and right. It can adapt to human activities, stretch and shrink as needed, feel light and comfortable, and also maintain the beauty of clothing appearance. The knees, elbows and other parts of the clothing will not deform or bulge due to prolonged wearing. Four sided elastic fabric is a fabric with a certain degree of elasticity. It can adapt to human activities, stretch and shrink as needed, feel light and comfortable, and also maintain the beauty of clothing appearance. The knees, elbows and other parts of the clothing will not deform or bulge due to prolonged wearing.

Organization structure

Usually, spandex elastic fibers are used to give fabrics a certain degree of elasticity. Elastic fabrics containing spandex fibers can be classified into warp elasticity, weft elasticity, and both warp and weft elasticity. Two sided elastic fabric has both warp and weft elasticity, with a general elasticity elongation of 10% -15%. The spandex content in the fabric is around 3%

processing

The commonly used method for four-way stretch is to add spandex elastic yarn into the fabric. First, the yarn is twisted with spandex wrapped yarn to produce elastic yarn. The feeding length and twisting length of both must be controlled separately to control the elasticity of the resulting yarn. During the manufacturing and finishing process, it is necessary to control the elongation of yarns and fabrics to control the elasticity of the finished product.

Spandex elastic yarn

Spandex elastic yarn has the stretchable properties of rubber yarn, with a fracture elongation of up to 500%, and can immediately recover its original length after releasing external force. There are three types of yarn: bare silk single-layer or double-layer wrapped yarn, leather velvet yarn, or leather core composite yarn. It is more convenient to use single-layer or double-layer wrapped yarn

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