Yarn classification (by the structure of the yarn)

Yarn is a continuous strip that consists of textile fibers and has certain mechanical properties, fineness and softness.

The so-called "yarn" is actually a general term for "yarn" and "thread". It is generally defined as: yarn is a continuous, linear object made of various textile fibers. It is thin, flexible, and has an adaptability. The basic properties required for textile processing and final product use. In textiles, it is also common to define "yarn" and "thread" separately. That is, "yarn" arranges many short fibers or filaments into a near-appearance state and is twisted along an axial direction to form a layer with a certain strength and strength. Density products, while "threads" are products made by combining two or more single yarns, they are called strands or strands.

Yarn can be divided into different types according to different classification basis.

Monofilament: Refers to a long continuous single plant.

Multifilament: refers to a bundle of two or more monofilaments that are joined together.

Silk; Yarn formed by the addition of multifilament yarns.

Composite twisted silk: after one or more times, the twisted silk is combined and twisted to form a composite twisted yarn.

Deformed silk: The chemical fiber precursor is deformed to have appearance characteristics such as curl, spiral, and loop. The purpose of processing is to increase the bulkiness and elasticity of the craftsman. According to the performance characteristics of the deduction, there are usually three kinds of elastic yarns, bulked yarns and network yarns.

Single yarn: A single continuous strip formed by spinning staple fibers.

Strands: Two or more single yarns combined and twisted. If two single yarns are combined, they are called double strands, and three or more strands are called multiple strands. The stocks will be combined again and again to become rehabilitative strands.

Fancy yarn: A yarn made with a special process that has a special appearance and color, including a flower line and a floral line. It is formed by twisting the core yarn, gauze and solid yarn on the color twister. The surface has special appearance shapes or colors such as fiber knots, bamboo knots, loops, braids, spirals and waves.

Bulked yarns: Bulked yarns are full-bodied yarns that are processed with the heat shrinkability (thermoplasticity) of polyester fibers and have a high degree of softness. Low-shrinkage and high-shrinkage polyester fibers are mixed at a certain ratio to make yarns, which are then relaxed by heat setting. In this way, the high-shrinkage fiber shrinks to form a yarn core, the shrinkage of the low-shrinkage fiber is small, and the arc is formed by being pressed on the surface, thereby producing a fluffy yarn.

Core-spun yarn: Yarn formed by filaments or staple yarns as a yarn core and out of other fibers or yarns.

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