Regarding the difference between the uses of polyester staple fiber and polyester filament, those who have been in the textile industry for a long time will know it better, but for newcomers, it is a bit confusing. In fact, I didn't know much at the beginning, but I just remembered one thing-the fabric made of filament is shiny, smooth and similar to nylon. However, the gap is more than this.
Polyester staple fiber: The so-called polyester staple fiber is a short fiber of a few centimeters to a dozen centimeters, divided into cotton type staple fiber and wool type. Cotton type is mostly used for spinning, such as making wool, weaving, etc.; staple fiber is used for blending with cotton and other fibers.
Polyester filament: The so-called polyester filament is a filament with a length of more than one kilometer, and the filament is wound into a group. Generally, it can be divided into three categories: poy (pre-oriented yarn), fdy (full draft yarn), dty (low stretch yarn), etc.
1. Poy is mainly used for post-processing production, such as the production of dty, dt, aty, and can also be directly used in the silk textile industry;
2. fdy is mainly used in clothing and textile industries;
3. dty is an ideal raw material for knitting (weft knitting, warp knitting) or woven processing, suitable for making clothing fabrics (such as suits, shirts), bedding (such as quilts, bedspreads, mosquito nets) and decorative items (such as curtain cloth, Sofa release, wall covering, car interior decoration cloth) etc.
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