Classification Of Weft Yarn

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Classification by yarn raw material

Pure spinning

Pure spinning is a yarn spun from a fibrous material, such as cotton yarn, wool yarn, hemp yarn, and silk spinning yarn. Such yarns are suitable for making pure textiles.

Blended yarn

Blended yarn is a yarn spun from two or more fibers, such as polyester and cotton blended yarn, wool and viscose blended yarn. This type of yarn is used for fabrics that highlight the advantages of both fibers.

Classification by yarn thickness

Coarse yarn

Coarse special yarn refers to yarns of 32 texes and above (18-inch and below). This type of yarn is suitable for thick fabrics, such as tweed, cheesecloth, etc.

Special yarn

Medium special yarn refers to 21-32 special (19-28 inch count). This type of yarn is suitable for medium-thick fabrics, such as medium plain cloth, gabardine, khaki, etc.

Fine yarn

Fine special yarn refers to 11-20 special (inches 29-54 British count) yarn. This type of yarn is suitable for thin fabrics, such as fine cloth, poplin, etc.

Extra fine yarn

Extra fine special yarn refers to yarns of 10 tex and below (imperial 58-branch and above). This kind of yarn is suitable for high-end fine fabrics, such as high-count shirts, worsted wool sweaters and so on.

Classification by spinning system

Worsted yarn

Worsted yarn, also known as combed yarn, refers to the yarn spun through the combing process, including combed cotton yarn and combed wool yarn. The fibers in the yarn have high parallel straightness, uniform and smooth, but the cost is higher and the yarn count is higher. Combed yarn is mainly used as a raw material for high-grade fabrics and knitwear, such as fine spinning, gabardine, tweed, cardigan, etc.

Woolen yarn

Woollen yarn is also known as carded wool yarn or carded cotton yarn, which refers to the yarn that is carded according to a general spinning system and does not go through the combing process. There are many short fibers in the roving yarn, the parallel straightness of the fibers is poor, the structure is loose, the hair is more, the yarn count is lower, and the quality is poor. This kind of yarn is mostly used as a raw material for general fabrics and knitwear, such as woolen fabrics, cotton fabrics with middle and above grades, etc.

Waste spinning

Waste spinning refers to yarn spun with textile waste (waste cotton) or mixed with low-grade raw materials. The yarn quality is poor, soft, uneven, uneven, and poor in color. It is generally used for weaving low-grade fabrics such as thick cotton blankets, thick flannel and packaging cloth.

Classification by spinning method

Ring yarn

Ring spinning yarn refers to the yarn made by twisting on the ring spinning machine by the traditional spinning method. The fibers in the yarn are intertwined with the inside and outside, the yarn structure is tight and the strength is high, but because a set of mechanisms is used to complete the twisting and winding work at the same time, the production efficiency is limited. This type of yarn is widely used and can be used in various types of fabrics, braids, and ropes.

Free end yarn

The free-end yarn refers to that the fibers are condensed and twisted into yarn in the rotor flow field rotating at a high speed or in the electrostatic field. The twisting and winding functions of the yarn are completed by different components, so the efficiency is high and the cost is Lower.

Air yarn

Air-jet yarn is also called rotor spinning, which uses air to condense and twist the fiber in the spinning cup rotating at high speed to output yarn. The yarn structure is fluffier, wear-resistant, evenly striped, and brighter dyed than ring-spun yarn, but with lower strength. This type of yarn is mainly used for bulky and thick woven fabrics, velvet cloths with good hand feel, and knitwear.

Static yarn

Electrostatic yarn is a yarn made by condensing and twisting fibers using an electrostatic field. The structure of the yarn is the same as that of the air-jet yarn, and its use is similar to that of the air-jet yarn.

Vortex yarn

The vortex yarn is a yarn spun with a fixed vortex spinning tube instead of a spinning cup rotating at high speed. There are many bending fibers on the yarn, low strength, and poor evenness of the strip, but the dyeing and wear resistance are better. This kind of yarn is mostly used in pile fabrics, such as fleece, sportswear, etc.

Dust cage yarn

Dust cage yarn, also known as friction spinning, is a yarn that uses a pair of dust cages to condense and twist the fibers. The yarn has a layered structure, with a large core twist and a hard hand, and a small outer twist and a soft hand. This kind of yarn is mainly used in industrial textiles and decorative fabrics, and can also be used in outerwear (such as work clothes and protective clothing).

Non-free end yarn

The non-free end yarn is another kind of yarn spun by a new spinning method different from the free end yarn, that is, in the process of twisting the fiber, both ends of the fiber sliver are held, not the free end. This new type of yarn includes self-twisting yarn, air-jet yarn and core-spun yarn.

Self-twisting yarn

Self-twisting yarn is a new type of non-free-end yarn. It applies false twist to two yarns through a reciprocating roller. When the yarns are closely parallel, they are twisted into yarns by their untwisting force. . This kind of yarn twist is uneven, and there is no twist section on a yarn, so the yarn strength is low. It is suitable for producing wool yarn and chemical fiber yarn, and is more suitable for color fabric and suede fabric.

Air-jet yarn

Air-jet yarn is yarn spun by using a high-speed jet vortex generated by compressed air to apply a false twist to the yarn, after wrapping and twisting. The yarn-forming structure is unique, the yarn core is almost untwisted, the outer covering fibers are randomly wrapped, the yarn is loose, the feel is rough, and the strength is low. This type of yarn can be used to process woven fabrics and knitted fabrics, making men’s and women’s shirts, shirts, sportswear, and work clothes.

Core-spun yarn

The core-spun yarn is a kind of yarn spun with filaments as the core and wrapped with short fibers. It has the advantages of core filaments and short fibers so that the performance of the yarn exceeds single fiber. Commonly used yarn core filaments are polyester yarns, nylon yarns, spandex yarns, and cotton, polyester/cotton, acrylic, wool, etc. are commonly used for outsourcing staple fibers. The core-spun yarn is mainly used as sewing thread, shirt fabric, burnt-out fabric and stretch fabric.

According to the use of yarn

Woven yarn

Yarn for weaving refers to the yarn used for processing woven fabric, which is divided into warp yarn and weft yarn. The warp yarn is used as the longitudinal yarn of the fabric, which has the characteristics of greater twist, higher strength, and better wear resistance; the weft yarn is used as the transverse yarn of the fabric, which has the characteristics of less twist, lower strength, but softness.

Knitting yarn

The yarn for knitting is a yarn for knitted fabric. The yarn quality is higher, the twist is smaller, and the strength is moderate.

Other yarn

Including sewing thread, embroidery thread, braided thread, miscellaneous thread, etc. Depending on the application, the requirements for these yarns are different.

Weft yarn, also known as filling yarn, is an essential component in the textile industry. It is used to create various types of fabrics, including denim, cotton, wool, and more. Weft yarn can be classified into different categories based on its composition, properties, and production methods.

First, weft yarn can be classified based on its composition. Natural fibers such as cotton, wool, and silk are widely used in the textile industry, while synthetic fibers such as polyester, nylon, and rayon are also popular options.

Another classification of weft yarn is based on its properties. Weft yarn can be divided into spun and filament yarn. Spun yarn is made from short fibers that are spun together, while filament yarn is made from long, continuous fibers.





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