Both air wrapped yarn and mechanical wrapped yarn are classified as core wrapped yarn. Core spun yarn is generally made by twisting synthetic fiber filaments with good strength and elasticity as the core yarn, and wrapping them with short fibers such as cotton, wool, and viscose fibers. Core spun yarn combines the excellent properties of long filament core yarn and short fiber outer packaging. A common type of core spun yarn is polyester cotton core spun yarn, which uses polyester filament as the core yarn and is wrapped with cotton fibers. There is also spandex core spun yarn, which is made of spandex filament as the core yarn and wrapped with other fibers. Knitted or denim fabric made from this core spun yarn can stretch and fit comfortably when worn.

Jinbao refers to nylon core yarn.

Air wrapped yarn (ACY for short) is a yarn formed by simultaneously stretching outer fiber filaments and spandex filaments through a certain type of nozzle, and forming a rhythmic network of dots through highly compressed air regular spraying pressure. Its fabric has a soft and smooth feel;

Mechanical wrapping yarn (referred to as SCY) is a type of yarn that continuously rotates and wraps outer fiber filaments around a core of spandex that is uniformly stretched. It is twisted to have a twist (TPM), and its main feature is a flat and crisp fabric style.

Article source: Fancy Thread Manufacturer

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