Core-spun yarn refers to a composite yarn composed of core-spun yarn and sheath yarn; generally, the filament is used as the core-spun yarn, and short fibers are used as the sheath fiber-sheath yarn. Through the combination of outsourcing fiber and core-spun yarn, the respective advantages can be brought into play, the deficiencies of both can be made up, and the structure and characteristics of the yarn can be optimized.

　　Compared with spun yarn, the ordinary filament has the advantages of uniformity, high strength, good elongation, and good elasticity. It is suitable as the backbone of the core-spun yarn, giving full play to the characteristics of high yarn strength and good elasticity. Features such as filament function. Staple fiber is the outer fiber of the core-spun yarn, which can give full play to the function and appearance of the fiber, such as the brilliance and beauty of the new fiber, the excellent water absorption, moisture absorption, heat resistance, warmth retention, softness and pilling resistance of the fiber, etc. Excellent characteristics.

　　The combination and core wrapping of the two fibers also tend to benefit spinnability and wearability. For example, stainless steel conductive fiber cannot be spun due to open flame, but it can be used as core spun yarn to make core spun yarn. Shielding electromagnetic wave function. The wearability of core spun yarns is generally better than that of filaments. The core yarn is equipped with a suitable blend ratio of the two fibers, which can also save raw material costs and spinning costs.

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