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What is the difference between air covered yarn and spandex covered yarn?

Air covered yarn is a kind of yarn in which the outer fiber filament and spandex yarn are simultaneously drawn through a certain type of nozzle, and then the high compressed air is sprayed regularly to form rhythmic network points.The fabric feels soft and smooth

Air Covered Yarn

1.Soft Hand Feel – The air-jet interlacing creates a looser structure between the core yarn (e.g., spandex) and sheath fibers (nylon/ polyester), resulting in softer and bulkier texture compared to mechanical covered yarn.

2.Good and Uniform Elasticity – Minimal damage to spandex during air processing ensures excellent and consistent stretch and recovery.

3.Full Appearance & Low Hairiness – The interlaced structure reduces surface hairiness, giving a smooth, clean fabric surface with good coverage.

4.High Breathability – The open network structure creates micro-gaps, enhancing moisture absorption and air permeability of the fabric.

5.High Production Speed – Air covering lines run much faster (400–600 m/min) than mechanical covering, enabling high-volume production.

6.Lower Cost – Lower energy consumption and maintenance costs compared to hollow-spindle mechanical covering machines.

7. Reduced Yarn Slippage – The air interlacing points prevent relative movement between the core and sheath, improving structural stability.

1.Q :What does the unit "D" mean?

A :D is an abbreviation of DENIER, a fineness expression of chemical fibers. It refers to the weight of 9000 meters of silk at a given moisture regain in grams.Eg :75D is thicker than 50D.

2.Q :What about the packing?

A :For package, it usually comes by neutral packing. If customer has his own special requirement, it can be customized.

Apparel of air covered yarn

1.Underwear & Seamless Garments: Provides ultimate softness and comfort for next-to-skin wear

2.Sportswear & Activewear: Offers high elasticity and recovery for activities like yoga and running

3.Swimwear: Maintains elasticity and durability even when exposed to water and chlorine

4.Socks: Essential for producing high-quality athletic socks, boat socks, and elastic casual socks

5.Denim (Stretch Jeans): Used to create comfortable, form-fitting denim fabrics that move with the body