Yarn classification according to structural shape

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yarn textile fiber fabric

Yarn is a continuous strip composed of textile fibers with certain mechanical properties, fineness and softness.

The so-called “yarn” is actually the collective name of “yarn” and “thread”. It is generally defined as: yarn is made of various textile fibers It is a continuous linear object made of raw materials. It is thin and soft and has the basic properties required to adapt to textile processing and final product use. In textiles, “yarn” and “thread” are often defined separately, that is, “yarn” is a combination of many short fibers or filaments arranged in an approximately parallel state and rotated and twisted along the axis to form a composition with a certain strength and linear density. product; and “thread” is a product made of two or more single yarns twisted together, called a thread or strand.

Yarns can be divided into different types according to different classification basis. According to the structure and shape of the yarn, it can be roughly divided into 10 types of yarn:

Monofilament: refers to a continuous single yarn with a very long length.

Multifilament: refers to a bundle of two or more monofilaments combined together.

Twisted yarn: a yarn formed by twisting multifilament yarn.

Composite twisted silk: The twisted silk is combined and twisted one or more times to form a composite twisted silk.

Textured yarn: Chemical fiber raw filaments are deformed to have appearance characteristics such as curls, spirals, and loops. The purpose of processing is to increase the bulkiness, stretchability and elasticity of the craftsman. According to the performance characteristics of textured yarn, there are usually three types: elastic yarn, bulked yarn and network yarn.

Single yarn: a single continuous strip formed by spinning short fibers.

Strand: Two or more single yarns are combined and twisted. If it is formed by merging two single yarns, it is called a double-stranded yarn, and if it is formed by three or more single yarns, it is called a multi-stranded yarn. The strands are then combined and twisted to become double-twisted strands.

Fancy thread: yarn made with special technology and with special appearance and color, including fancy thread and decorative thread. It is formed by twisting core yarn, decorative yarn and fixed yarn on a fancy twisting machine. The surface has special appearance shapes or colors such as fiber knots, slubs, loops, braids, spirals, and waves.

Textured yarn: Bulked yarn is a plump yarn with high softness that is processed by the heat shrinkage of proline fiber. The low-shrinkage and high-shrinkage acryl fibers are mixed in a certain ratio to make yarn, and then relaxed and heat-set. In this way, high-shrinkage fibers shrink more, forming a yarn core, while low-shrinkage fibers shrink less, resulting in fluffy yarns.

Core-spun yarn: It is a yarn formed by using filament or short fiber yarn as the yarn core and wrapping other fibers or yarns.

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