Why are cotton yarns divided into 40 counts and 2 1 count? What is the difference?

Cotton yarn is divided into different counts to meet different fabric requirements.

There are the following differences between 40 yarns and 2 1 yarn:

1, different thickness

Cotton yarns are divided into coarse count yarns according to their thickness: 17 cotton yarns are coarse count yarns. Medium yarn:18-27 cotton yarn belongs to medium yarn; Fine count yarn: 28 or more cotton yarns.

40 cotton yarns belong to fine count yarn. 2 1 cotton yarn belongs to medium count yarn. 40 is thinner than 2 1.

2. Different products are suitable for weaving.

40 cotton yarns are suitable for weaving high-grade fabrics, such as high-grade poplin and plain muslin. 2 1 cotton yarn is suitable for weaving plain cloth, twill cloth, satin and other general fabrics.

3. The lightness and feel of fabrics are different.

40 cotton yarns have higher requirements for cotton, so the fabrics woven are lighter and softer. And it's also cotton yarn, 2 1 cotton yarn is a little thicker than 40 cotton yarn, and it doesn't feel so soft.

Baidu encyclopedia-cotton yarn