Kangjiesi Yarn is a professional elastic core covered yarn manufacturer with more than 20 years of experience in covered yarn production and a technical team with over 30 years of industry experience. We provide Nylon and Polyester covered yarn with controlled yarn tension, customized denier and yarn composition, and application-specific configurations for hosiery, seamless garments, sportswear, shoe uppers, and other elastic textile production. With OEM production, customized packaging, and stable bulk supply capabilities, we support textile manufacturers from sample development through repeat production.
Technical Specifications
| Item | Specification |
|---|---|
| Core Material | Spandex / Elastane |
| Spandex Denier | 20D–1120D |
| Covering Material | Nylon / Polyester |
| Covering Type | Single Covered / Double Covered |
| Twist Direction | S Twist / Z Twist |
| Yarn Form | Filament Covered Yarn |
| Package | Cone Winding |
| Color | Raw White / Dyed Colors |
| Customization | Denier, covering material, twist, color and package configuration |
| Application | Hosiery, Knitting, Seamless Garments, Sportswear, Shoe Uppers, Narrow Fabrics |
- Hosiery & Socks
Used in socks and hosiery where the fabric requires controlled stretch for fitting and repeated extension during wear.
- Seamless Garments
Suitable for seamless knitted garments, providing elastic response in close-fitting fabric constructions.
- Sportswear
Applied in stretch sportswear where the textile undergoes frequent extension and movement during use.
- Shoe Uppers
Used in knitted shoe uppers to provide controlled stretch while allowing the fabric to conform to the foot shape.
Customized elastic core covered yarn for textile manufacturers, with flexible options for core denier, covering material, yarn structure, twist, color, and packaging.
- Spandex Core Specification
Spandex denier can be selected according to the required stretch level, yarn thickness, and fabric construction.
- Covering Material & Structure
Nylon or Polyester can be selected with single- or double-covered construction according to the required yarn characteristics.
- Twist & Color
S or Z twist and customized yarn colors can be produced according to the customer's technical specification or approved sample.
- Package Configuration
Cone weight, winding length, labeling, and packaging format can be arranged according to production and handling requirements.
Precision Manufacturing Process for Stable Yarn Quality
High-Quality Raw Material Selection
Precision Spooling Process
Accurate Threading & Machine Setup
Controlled Covering Production
Strict Quality Inspection
Standardized Packaging & Global Delivery
Certified Quality & International Standards Compliance
FAQ
Does the covering filament affect the yarn's elastic behavior?
Yes. The covering filament influences how the elastic core is constrained and can affect the yarn's handling, surface characteristics, and response during extension.
What is the difference between Single Covered and Double Covered Yarn?
Single covered yarn uses one covering layer around the elastic core, while double covered yarn uses two covering layers. The construction changes the yarn's surface and mechanical behavior.
Can Elastic Core Covered Yarn maintain elasticity after repeated stretching?
Its ability to retain elastic behavior depends on the spandex specification, covering construction, applied extension, and number of stretch cycles. The yarn should be selected according to the actual extension requirements of the textile.
What determines the elasticity of Elastic Covered Yarn?
The elastic response is mainly influenced by the spandex denier, covering configuration, core tension, and the construction of the finished yarn.
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