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What are the factors that affect yarn strength

1. Raw material properties, such as length, fineness, breaking length, maturity, short fiber content, etc. The fiber length is long, the uniformity is good, and the fiber fineness is fine. The more the number of fibers per unit section, the higher the twisting efficiency, the stronger the yarn. The ...

What are the uses of polyester yarn

Sewing thread is the thread required for knitted clothing products. Sewing thread can be divided into three categories: natural fiber sewing thread, synthetic fiber sewing thread and mixed sewing thread according to the raw materials. With the development of the polyester industry, more and more pur...

How does polyester change in high temperature

Polyester has good thermoplastic properties and produces different changes at different temperatures. The thermal change of polyester is between the thermal change of amorphous and crystalline polymer compounds. Above the glass transition temperature, only certain segments in the amorphous region ca...

What is the difference between polyester and spandex

The difference between polyester and spandex:1. Strength: The short fiber strength of polyester is 2.6～5.7cN/dtex, and the high-strength fiber is 5.6～8.0cN/dtex. Because of its high strength, it is widely used in ropes, fishing nets and other high-strength requirements. Tools. In comparison, the str...

What is the difference between polyester staple fiber and po...

Polyester is a fabric commonly used in the field of apparel fabrics. It can be roughly divided into two categories: polyester filament and polyester staple fiber. There may not be many people who know the concept of polyester staple fiber or filament, so polyester staple fiber What is the differen...

What's so Great About Polyester Yarn?

Polyester is man-made fiber obtained from polyester plants. It has a shiny appearance and offers a high resistance to abrasion, mildew, and wear and tear. Many types of products are made from polyester yarn, including some clothing. A lot of people use polyester yarn in their day-to-day lives becau...

What is polyester supposed to feel like?

Polyester will feel very differently depending how it is processed (and I am not even talking about the fabric, just the fiber or the yarn).polyester POY The main difference in feel probably comes from whether it is textured or not. When it is spun, a polyester fiber is straight (or “flat”). The t...

Do you know the history of the development of polyester fibe...

Polyester (PET) fiber is a synthetic fiber spun from each link in the macromolecular chain through an ester group to form a fiber-forming polymer. my country abbreviates fibers with a polyethylene terephthalate content of more than 85% as polyester. There are many foreign trade names, such as Dacron...

What is the method to distinguish the quality of polyester c...

The improvement of modern people’s living standards and the increasing market demand for high-end apparel fabrics make polyester colored DTY occupy an important position in the apparel industry. The production cost of polyester colored DTY is much higher than that of ordinary apparel fabrics. Fabri...