Weisheng

What are the advantages of AB yarn compared to conventional ring-spun single yarns and traditional twisted yarns?

2025-09-23

AB yarn is produced by feeding two thick yarns parallel into a ring spinning machine, where they are simultaneously twisted to create a quasi-strand-like structure. This process results in neatly aligned fibers on the yarn’s surface with a tightly packed construction, reducing the number of protruding fibers by 30%–50% compared to conventional ring-spun yarns. As a result, the yarn exhibits excellent resistance to pilling and fuzzing, achieving a performance level of Grade 4 or higher.

I. Structural Performance Advantages

  1. Fewer fibers, excellent pilling resistance
    AB yarn is produced by feeding two thick yarns parallel into a ring spinning machine, where they are simultaneously twisted to create a quasi-strand-like structure. This process results in neatly aligned fibers on the yarn surface with a tightly packed construction, reducing the number of protruding fibers by 30%–50% compared to conventional ring-spun yarns. As a result, the yarn exhibits excellent resistance to pilling and fuzzing, achieving a performance level of Grade 4 or higher.

  2. The yarn has high strength and excellent abrasion resistance.
    Thanks to the double-slit synchronous drawing and twisting processes, fibers are held together more tightly, resulting in a yarn breakage strength that is approximately 15% higher than traditional single yarns. Additionally, the improved abrasion resistance makes this yarn ideal for high-strength, long-lasting fabrics.

  3. Good evenness of sliver
    Dual roving feed ensures a more uniform distribution of drafting force, resulting in superior yarn evenness compared to conventional ring-spun yarns, while significantly reducing common yarn defects such as slubs, thin places, and neps.

II. Production and Cost Advantages

  1. Simplified process flow
    AB yarn uses a one-step spinning process, replacing the traditional two-step method of "twisting + doubling," thereby reducing energy consumption and labor costs by approximately 40%.

  2. Increased production efficiency
    The Siro spinning process can be implemented by retrofitting traditional spinning frames, requiring low investment costs while also reducing yarn breakage and imperfection rates, ultimately boosting overall production efficiency.

III. Product Diversity and Functionality

  1. Flexible ingredient combinations
    AB yarn supports the flexible combination of different fibers (such as cotton/polyester, cotton/modal, polyester/spandex, etc.), enabling functional integration (e.g., elasticity, moisture absorption, antibacterial properties) to meet diverse market demands.

  2. Diverse styles
    By adjusting the spacing, color, or tension of the slub yarn, it’s possible to produce specialty yarns such as bamboo-effect yarns, segment-dyed yarns, and AB-color yarns, enhancing the design appeal and added value of fabrics.

 

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