Identification of yarn materials1. Cotton: burns immediately, the flame is stable, gradually extinguished, white smoke, burnt smell, ash, soft2. Rayon (rayon cotton rayon): burns immediately, the flame is stable, extinguishes immediately, emits white smok
The NO.1 in chemical fiber -- polyester.
polyester, scientific name Polyester, English name polyester, chemical formula (C10H8O4)n.
It is a synthetic fiber derived from the condensation of organic dibasic acid and dibasic alcohol "polyethylene terephtha
The manufacturing principle of yarn1. Impurity removalYarn is generally formed by twisting many short fibers of different lengths, and also by twisting long continuous monofilaments. In the spinning process, the first thing to do is to remove miscellaneou
The semi-finished or finished product is wound into a certain form to facilitate storage, transportation and processing in the next process. This process is called winding. The winding process should be carried out continuously on the basis of not affecti
Yarn is divided into: ①Short fiber yarn, which is processed by spinning short fiber (natural short fiber or chemical fiber cut fiber), divided into ring yarn, open-end spinning, self-twisting and so on. ② Continuous filaments, such as natural silk and che
Yarn linear density is one of the commonly used indexes to describe the degree of yarn thickness. In the past, counts were used to express the linear density of yarns. So far, some technical workers call the linear density counts. Especially for technical
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