What are the commonly used polyester sewing thread models?
The sewing thread models in the industry are divided into: 20/2, 20/3, 40/2, 40/3, 60/2, 60/3 and so on. The thread is usually made of several strands of yarn twisted side by side. The 20, 40, 60, etc. in front of the sewing thread model refer to the yarn count. The yarn count can be [...]