Polyester yarn refers to yarn spun from polyester, which is a type of fiber made from polymers.
Currently, it mostly refers to fibers produced from ethylene terephthalate. According to the abbreviation of the English name of its raw material “polyethylene terephthalate”, it is referred to as “PET” fiber. It is commonly known as polyester in my country.
Pure polyester yarn is spun from polyester staple fiber. There are different categories of staple fiber. In terms of length, there are cotton fibers with a length of about 37 mm and medium-long fibers with a length of 51 mm. mm-57mm, hairy fiber, length 75mm-105mm.
In terms of thickness, there are fine-denier fibers, around 1.5D, coarse-denier fibers around 5D, and 3D in between. Of course, there are even thinner fibers, such as 1D, and even ultra-fine fibers, such as 0.1- 0.5D.
If the yarn is very fine, such as 50 or 60 count, it is best to use fine denier fiber for spinning, which will make it easier to spin evenly, have good evenness, and have less hairiness. If the fiber is longer, it can increase the cohesion and have better strength;
The spun yarn feels delicate, on the contrary, the coarse denier yarn feels rough and has a better wooly feel.
When spinning polyester staple fiber yarn, you must know how thick the fiber is and what its length is. Generally, you also need to know where the staple fiber is produced.
Full-gloss polyester yarn:The surface of the polyester fiber is smooth, and the surface of the woven fabric has a strong luster.
Semi-gloss polyester yarn: The fabric woven with full-gloss polyester yarn has been chemically reduced in the bleaching and dyeing factory, which takes advantage of the poor tolerance of polyester materials to strong alkali. The characteristics of semi-gloss polyester fabric are that it is treated with sodium hydroxide to cause micro cracks on the surface of the polyester fiber and produce a matting effect. The semi-gloss polyester fabric has a noble and elegant appearance and is welcomed by the market.
Semi-gloss polyester yarn can also be understood as using various physical/chemical methods in the fiber manufacturing process to crack or roughen the fiber surface. The woven fabric has the same effect as the above-mentioned fabric reduction treatment.
Polyester yarn is a kind of raw material for weaving. The raw materials for weaving are collectively called yarn or silk. The corresponding ones include cotton yarn, artificial yarn (silk), nylon yarn (silk), wool yarn, linen yarn, etc.
Polyester yarn is a kind of synthetic fiber, the scientific name is polyethylene terephthalate, English polyester, its characteristics are almost no moisture absorption (moisture regain is 0.4%, cotton yarn has 8.5%), the woven cloth is easy to wash and fast It is dry, firm and firm, not easy to wrinkle, but its disadvantage is poor comfort. </span