Nylon Spandex SCY 2070

Nylon Spandex SCY 2070

Nylon Spandex SCY 2070 is a Single Covered Yarn (SCY) constructed with a 20D spandex core wrapped by 70D nylon filament through a precision covering process. The spandex core provides elastic stretch and recovery, while the nylon covering layer stabilizes the yarn structure and protects the elastic filament during knitting operations.
Designed for lightweight elastic fabrics, Nylon Spandex SCY 2070 offers a balance of flexibility, smooth surface performance, and stable processing behavior. The covered structure supports consistent yarn feeding, controlled elongation, and reliable stretch–recovery performance in textile production.
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Description
Technical Parameters
Elastic Recovery Behavior
 
  • Spandex Core Recovery Force

The 20D spandex core provides the primary elastic force, enabling the yarn to return toward its original length after stretching and ensuring reliable recovery performance in textile applications.

  • Controlled Stretch–Recovery Cycle

The yarn is engineered to maintain a controlled stretch–recovery behavior, allowing consistent elongation under load and stable rebound after tension release during repeated use.

  • Stable Elastic Response

The SCY structure helps stabilize elastic response during deformation cycles, ensuring uniform behavior across different knitting conditions and reducing irregular tension variations.

 

Covered Yarn 20D
Quality Control System

 

20D Spandex Inspection

The spandex core is strictly checked for denier accuracy and elasticity performance to ensure consistent stretch and recovery characteristics.

01

70D Nylon Covering Uniformity

The nylon covering layer is monitored for uniform filament distribution, ensuring stable yarn structure and smooth processing performance.
 

02

Elongation Testing

Each batch undergoes controlled elongation testing to verify stretching behavior under defined tensile conditions.

03

Recovery Consistency Control

Recovery performance is tested across production batches to ensure stable elastic response and consistent quality in end-use applications.

04

 

FAQ

 

How does SCY 2070 achieve elastic recovery?
The 20D spandex core stores deformation energy and releases recovery force, while the nylon covering stabilizes yarn shape during stretching.

 

Will elasticity decrease after repeated use?
The yarn is designed for long-term stretch–recovery cycles, but extreme over-stretching or improper processing conditions may affect durability.

 

Can elasticity be customized?
Yes. Elastic performance can be adjusted by modifying spandex denier, covering density, and yarn structure design.

 

What affects yarn performance during knitting?
Machine tension, feeding speed, guide friction, and knitting gauge can all influence elasticity stability and fabric uniformity.

 

 

 

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