What are the uses of polyester yarn

What are the uses of polyester yarn? In production and processing, polyester yarn is generally divided into the following three categories:
1. Weaving yarn: Weaving yarn refers to the yarn used for processing woven fabrics, which is divided into warp yarn and weft yarn. The warp yarn used as the longitudinal yarn of the fabric has the characteristics of larger twists, higher strength, and better wear resistance; the weft yarn used as the transverse yarn of the fabric has the characteristics of smaller twist, lower strength, but softness.
2. Knitting yarn: Knitting yarn is used for knitted fabrics. The yarn quality requirements are high, the twist is small, and the strength is moderate.
3. Other yarns: including stitching thread, embroidery thread, knitting thread, miscellaneous thread, etc. According to different uses, the requirements for polyester yarn are different.