Polyester Spandex SCY 2070

Polyester Spandex SCY 2070

Polyester Spandex SCY 2070 is a single covered elastic yarn constructed with a 20D spandex core and 70D polyester filament covering. The spandex core provides reliable stretch and recovery performance, while the polyester covering layer improves yarn stability and reduces friction during textile processing.
With its lightweight structure and stable elastic behavior, SCY 2070 is suitable for fine knitted fabrics requiring comfort, softness, and consistent elasticity. It performs well in continuous knitting operations and is widely used in hosiery, seamless garments, underwear, and sportswear applications.
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Description
Technical Parameters
Knitting Process Stability

 

 

 

  • Smooth Loop Formation

The yarn structure allows consistent loop formation in circular knitting and hosiery machines, helping achieve uniform fabric construction and stable elasticity distribution.

  • Guide Friction Control

The polyester covering layer reduces direct friction on the spandex core, ensuring smoother passage through guides, needles, and machine contact points.

 

 

Equipment for covering yarn
 

 

  • Stable Machine Tension Response

The yarn maintains stable behavior under cyclic machine tension, helping minimize yarn stress variation during continuous production.

  • High-Speed Knitting Compatibility

SCY 2070 is suitable for high-speed knitting systems, supporting long-run production with reduced risk of yarn breakage and improved processing stability.

 

 

Equipment for covering yarn

Manufacturing Capability

Tension-Controlled Covering Process

Advanced tension control technology is applied during covering to maintain uniform elasticity and stable yarn structure across production batches.

OEM Support

We provide flexible OEM services, including customization of spandex denier, polyester specification, yarn structure, and packaging requirements.

Stable Bulk Supply

With continuous production capacity and standardized process control, we ensure stable bulk supply for long-term industrial textile applications.

FAQ

 

What is the structure of SCY 2070?
It consists of a 20D spandex core wrapped with 70D polyester filament in a single covering structure (SCY).

 

What is the advantage of using polyester as covering material?
Polyester provides better dimensional stability, smoother surface performance, and reduced friction during knitting, improving processing efficiency.

 

Is SCY 2070 suitable for high-speed knitting machines?
Yes. It supports continuous feeding, stable loop formation, and smooth operation in high-speed circular knitting systems.

 

How does SCY 2070 achieve elasticity?
The spandex core provides stretch and recovery force, while the polyester covering layer stabilizes yarn structure during deformation cycles.

 

 

 

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