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What is the difference between bulky yarn and core-spun yarn?

Update:16-12-2021
Abstract:Bulk yarn is a yarn made by mixing high-shrinkage fiber and regular fiber in a certain proportion. The yarn is heat-mois...
Bulk yarn is a yarn made by mixing high-shrinkage fiber and regular fiber in a certain proportion. The yarn is heat-moisturized and the high-shrinkage fiber shrinks to form the core of the yarn, while the regular fiber buckles to form the skin layer of the yarn, that is The so-called "skin core" structure

This type of product is a series of lightweight wool products woven with yarn spun on cotton spinning equipment, which is lighter, softer, warmer and less shed than yarns spun on traditional wool spinning equipment. In particular, rabbit fur products can highlight the feature of less hair loss.

Uses: Mainly used to make sweaters in autumn and winter.

Bulk yarn is a yarn made by mixing high-shrinkage fiber and regular fiber in a certain proportion. The yarn is heat-moisturized and the high-shrinkage fiber shrinks to form the core of the yarn, while the regular fiber buckles to form the skin layer of the yarn, that is The so-called "skin core" structure

Core-spun yarns are generally made of synthetic fiber filaments with good strength and elasticity as the core yarn, and spun with short fibers such as cotton, wool, and viscose fibers that are twisted together. The core-spun yarn has the excellent properties of filament core yarn and short-wrapped fiber.

Features: Polyester-cotton core-spun yarn can give full play to the advantages of polyester filaments that are crisp, crepe-resistant, easy to wash and dry, and at the same time can take advantage of the characteristics of the outer cotton fiber that it has good moisture absorption, low static electricity, and is not easy to fluff and pilling. The woven fabric is easy to dye and finish, comfortable to wear, easy to wash, bright in color, and beautiful in appearance. The core-spun yarn can also reduce the weight of the fabric while maintaining and improving the properties of the fabric.

The use of core-spun yarn is currently the most widely used core-spun yarn with cotton as the skin and polyester as the core, and can be used to produce sweaters, gloves, hats, etc.


Zhejiang Hengyuan Chemical Fiber Group Co.,Ltd. is a professional China polyester dope-dyed yarns manufacturers and polyester dope-dyed yarns factory, Established in 2006 ,located in YaQianTown Xiaoshan Hangzhou – One of the Center of polyester yarn Industry in China.