How to identify the quality inspection standard for polyester sewing thread

Polyester sewing thread is widely used, both in life and in industry. There are a variety of polyester threads on the market. How do we identify its quality?

1. Look at the appearance. To carefully observe whether the tissue is a basic organization or a change organization, the gap between the coils is loose or tight, and the hand feel is soft or hard. You can also use both hands to draw the wire to see its elasticity and extensibility.

2. Look at the rating. Polyester yarns can be divided into first-class, second-class and third-class products according to their quality. The polyester quality of first-class products is naturally superior to other grades of polyester.

3. Look at the point. If the appearance of the polyester thread is more, the quality will not be very good, and the flaw will affect our use.