What is "Core Spun Yarn" - Definition & Explanation
Last Updated on: 06-Jun-2024 (1 month, 12 days ago)
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Core Spun Yarn
Core spun yarn is a type of yarn that is made by wrapping a core of fibers with another yarn or fiber. The core fibers can be made of a variety of materials, including cotton, wool, or synthetic fibers, while the outer yarn can be made of any material. The resulting yarn is strong, durable, and has unique properties that make it ideal for use in a variety of applications.

To create core spun yarn, the core fibers are first spun together to create a strong, stable core. This core is then wrapped with the outer yarn, which is spun around the core in a continuous spiral. The resulting yarn is strong and durable, and the core fibers help to give it additional strength and stability.

One of the main advantages of core spun yarn is its strength. Because it is made by wrapping a core of fibers with another yarn, it is inherently stronger than other types of yarn. This makes it ideal for use in applications where strength and durability are important, such as in clothing or upholstery fabrics, outdoor gear, or industrial textiles.

Another advantage of core spun yarn is its unique texture and appearance. Depending on the materials used for the core and outer yarns, core spun yarn can have a variety of textures and finishes. For example, a core spun yarn made with a wool core and a silk outer yarn might have a soft, luxurious texture and a subtle sheen, while a core spun yarn made with a cotton core and a synthetic outer yarn might have a smooth, shiny finish.

Core spun yarn is used in a wide variety of textile applications. It is commonly used in clothing and apparel, particularly in denim fabrics, where the strength and durability of the yarn are important. It is also used in upholstery fabrics and outdoor gear, such as tents and backpacks, where the yarn's strength and durability make it ideal for heavy use and exposure to the elements. In addition, core spun yarn is used in industrial textiles, such as conveyor belts and other heavy-duty applications, where strength and durability are paramount.

There are many manufacturers of core spun yarn, including both large-scale industrial producers and smaller artisanal yarn makers. Some of the largest producers of core spun yarn include companies like Coats, a UK-based textile manufacturer that produces a wide range of core spun yarns for a variety of applications. Other major producers of core spun yarn include Lenzing AG, a global textile manufacturer based in Austria, and Toray Industries, a Japanese textile manufacturer that produces a variety of synthetic fibers and yarns.

In addition to these larger manufacturers, there are also many smaller artisanal yarn makers that produce high-quality core spun yarns using traditional techniques. These yarns are often made in small batches and can be customized to meet the specific needs of individual customers. Some popular artisanal core spun yarn makers include Harrisville Designs, a US-based company that produces a range of high-quality yarns for knitting and weaving, and The Uncommon Thread, a UK-based company that specializes in hand-dyed yarns.

Overall, core spun yarn is a versatile and durable type of yarn that is used in a wide variety of textile applications. Its strength and unique texture make it ideal for use in clothing, upholstery fabrics, and outdoor gear, while its durability and resistance to wear make it ideal for use in industrial textiles and other heavy-duty applications. With a wide range of applications and a growing number of manufacturers, core spun yarn is likely to remain an important part of the textile industry for years to come.
Core Spun Yarn
A yarn produced at the spinning frame by feeding a yarn through the delivery rollers only, simultaneously with the spinning of the staple fibres (q.v.)


The yarn fed through at the delivery rollers only is usually known as the "core", and the other component is known as the "wrapper". The core may be of continuous-filament yarn or of spun yarn. If the core is of spun yarn, the direction of its twist is usually the same as that of the complete yarn. Core-spun yarns are made for decorative purposes or, more commonly, for strengthening the wrapper for facilitating subsequent processes. When used for strengthening, the core may, after it has served its purpose, be removed by solvent or other chemical action, e.g. the removal of calcium alginate filament yarn by an alkaline scour or of a cotton yarn by carbonising. The core is often retained for strengthening the resultant fabric as is the case if nylon or polyester continuous-filament yarns are used.

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