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

　　It can be seen that compared with spun yarn, ordinary filament yarn has the advantages of uniform evenness, high strength, good elongation, and good elasticity. It is suitable as the skeleton of the core-spun yarn, making full use of the high strength, good elasticity, and special characteristics of the yarn. Filament function, etc.

　　The 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, and the fiber has excellent water absorption, moisture absorption, heat resistance, warmth retention, softness, and anti-pilling. and other excellent specialties.

　　The combination of the two can produce core-spun yarns that are unmatched by ordinary spun yarns and filaments. Such as elastic core-spun yarn, high-strength, high-modulus, high-temperature-resistant sewing core-spun yarn, burnt core-spun yarn, functional hollow core-spun yarn, high-function core-spun yarn, and so on.

　　In addition, the combination and core spinning of the two fibers also tend to benefit spinnability and wearability. For example, stainless steel conductive fibers cannot be spun due to open flames but can be used as core-spun yarns to make core-spun yarns. Shielding electromagnetic wave function. The wearability of core spun yarns is generally better than that of filaments. The core-spun yarn is matched with the appropriate blending ratio of the two fibers, which can also save the cost of raw materials and spinning costs.

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