Premium Spandex Covered Yarn by Polylion

Spandex Covered Yarn, the epitome of elasticity and strength, are meticulously crafted at Polylion. Our yarns seamlessly blend bare Spandex with a variety of high-quality filament materials, including Polyester, Nylon, Viscose, Cotton, and more.

Key Features:

  • Unmatched Elasticity: Our Spandex Covered Yarn boasts exceptional stretchability, making it the go-to choice for crafting socks, seamless underwear, fabrics, and swimwear that demand the perfect fit.
  • Durable Performance: Precision-engineered for lasting durability, our yarn ensures your creations maintain their shape and resilience even after repeated use.
  • Versatile Innovation: Whether you’re in the fashion, sportswear, or intimate apparel industry, our Spandex Covered Yarn opens up a world of creative possibilities.

Spandex Covered Yarn Specification Sheet


The Essence of Spandex Covered Yarn: Composition and Production

Experience the excellence of Polylion’s Premium Spandex Covered Yarn, your gateway to unrivaled versatility and superior quality in textile manufacturing.

Spandex Covered Yarn is a textile marvel that combines two essential components: bare Spandex and various filament materials. The creation of this versatile yarn involves a meticulous manufacturing process.


  • Socks: Create form-fitting, comfortable socks that offer flexibility like never before.
  • Seamless Underwear: Craft seamless undergarments that provide ultimate comfort and support for your customers.
  • Fabrics: Add a touch of elasticity to your fabrics, enhancing their feel and performance.
  • Swimwear: Ensure a snug yet comfortable fit for swimwear that stands out in the crowd.

Manufacturing Process:

The production of Spandex Covered Yarn is a precise and intricate endeavor:

  1. Preparation: The selected filament material is prepared, ensuring it meets the desired specifications for quality and performance.
  2. Covering: The bare Spandex core and the chosen filament material are fed into specialized machines. These machines meticulously cover the Spandex core with the chosen filament, ensuring a consistent and uniform result.
  3. Stretch and Tension Control: Throughout the covering process, stretch and tension control mechanisms are employed to maintain the yarn’s desired characteristics, including its exceptional stretchability.
  4. Quality Assurance: At every step of production, quality checks are carried out to guarantee that the final product adheres to the highest industry standards.




The production of Spandex Covered Yarn relies on a range of advanced machinery, each designed for a specific purpose:

  • Covering Machines: These machines are the heart of the production process, responsible for wrapping the Spandex core with the chosen filament material. They ensure uniform coverage and consistent quality.
  • Tension Control Systems: These systems maintain the required tension levels to achieve the desired stretch and elasticity in the yarn.
  • Quality Inspection Equipment: High-precision inspection tools are employed to monitor and verify the quality of the yarn at various stages of production.
  • Customization Machinery: To meet specific customer requirements, machinery for customization of denier counts, colors, and packaging is also utilized.



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