Core Spun Polyester Thread

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Polyester core-spun thread is a type of composite sewing thread with a special structure. Its core feature lies in its composition of two parts: a “core thread” and “outer covering fibers”. The outer layer is mainly made of polyester fibers, while the core thread typically uses high-strength fibers (such as polyester filaments, nylon filaments, or polyester staple fibers). Through a special spinning process, the outer polyester fibers are tightly wrapped around the surface of the core thread, forming a composite thread with multiple integrated properties.

Materials

  • Polyester FDY
  • Polyester DTY
  • Nylon FDY
  • Nylon DTY

Features

  • Combination of high strength and toughness: The core thread provides high breaking strength, ensuring the thread is not easy to break during sewing and making it suitable for sewing heavy fabrics (such as denim, canvas, and leather); the outer polyester layer enhances the thread’s wear resistance and friction resistance, extending the service life of the stitches.
  • Smooth surface for smooth sewing: The coating of the outer polyester fiber makes the thread surface smoother, reducing the frictional resistance between the thread, the fabric, and sewing machine parts during sewing, and lowering the probability of thread breakage and fuzzing. It is especially suitable for high-speed industrial sewing.
  • Good stability: The polyester outer layer has low shrinkage, chemical resistance (resistant to acids, alkalis, and detergents), and relatively good light resistance. The composite structure of the core thread and the outer layer reduces the deformation of the thread during washing or use, ensuring long-lasting and stable stitches.
  • Wide adaptability: By adjusting the core thread material and the specifications of the outer polyester (such as thickness and twist), it can adapt to different fabrics and sewing needs, balancing strength and delicacy.

Users

  • Fashion clothing / Fashion apparel
  • Shirts
  • Undergarments / Intimate wear
  • Swimwear
  • Uniforms
  • Work clothes / Workwear, etc.

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