Определение за полиестерна прежда

Polyester yarn refers to the yarn spun from polyester as raw material. Polyester is a kind of fiber made by spinning a polymer, mostly refers to the fiber produced from ethylene phthalate as raw material. Name "polyethylene terephthalate" abbreviation, referred to as "PET" fiber. Commonly known as polyester in our country. The so-called "yarn" actually refers to the general term of "yarn" and "thread", which is defined as follows in clothing material science: "yarn" is the arrangement of many short fibers or filaments in an approximately parallel state, and along the axial direction Rotate and twist to form a slender object with certain strength and linear density; and "thread" is a strand formed by twisting two or more single yarns. Yarn is a thin strand of cotton, wool, hemp, chemical fiber, etc., which is elongated and twisted (usually used as a raw material for weaving), and then made of cotton, hemp, silk, wool and other fine strands. Thin strands, called threads.