Definition and Classification of Yarn

I. Definition
The so-called yarn, in fact, refers to sand and thread collectively. The definition in clothing materials is as follows:
"Yarn" is a number of short fibers or filament arranged into approximately parallel state, and along the axial rotation twist, composed of a certain strength and linear density of slender objects; And "thread" is a strand of twine made by twisting two or more single yarns.
Ii. Classification
2.1 Different raw materials can be divided into pure cotton yarn, pure chemical fiber yarn, cotton blended yarn, wool blended yarn, special-shaped yarn, etc.
2.2 Different spinning methods: ring spinning yarn, air spinning yarn, electrostatic spinning yarn, etc
2.3 Different spinning processes: carded cotton yarn, combed yarn, peach yarn, etc
2.4 Different twist directions: casual twist (s twist) yarn, backhand twist (z twist) yarn.
2.5 Different uses of products: weaving yarn, knitting yarn, raising yarn, rope yarn, fishing net yarn, cord yarn, etc.
2.6 Classified by yarn structure: high elastic silk, low elastic silk, bulked yarn, network silk