The moisture regain of textile materials when they reach equilibrium under standard atmosphere is called standard moisture regain. The actual moisture regain of each fiber and its products varies with temperature and humidity conditions. In order to compare the moisture…
Yarn count introduction What is yarn count? Yarn count is a number which indicates the mass per unit length or the length per unit mass of yarn. Classification Generally, there are four representation ways of yarn count: Tex, Denier, Ne…
Twist test is an important part of yarn inspection. It is related to the strength, elongation, appearance, style, etc. of yarns and fabrics. Different yarns have different structural characteristics, and their twist testing methods are also different. Basic concept To…
Yarn tension is used to measure the tension of moving or static yarn, thin steel wire, and plastic wire, providing a reliable basis for improving material quality and product performance. Yarn tension Generally speaking, "yarn tension" can be understood as…
Yarn hairiness refers to the fiber ends or loops that stick out of the main body of the yarn. Since the fibers located on the surface of the yarn are not closely connected with the main body of the yarn,…
The testing items in the textile testing laboratory are divided into fiber testing, yarn testing, and fabric testing according to material classification. In the following content, we will introduce the relevant information on fabric testing according to the different properties…
We usually divide fibers into natural fibers and man-made fibers. Fiber samples are generally available in three forms: ① Loose fiber; ② A yarn may be contain one fiber type or multiple fiber types; ③ Woven or knitted fabrics may…
As an important production equipment of cotton mill, roving frame belongs to the preparation process from combed sliver to spinning into yarn in the production process. Roving production is the last of the preparatory stages for spinning. The tasks of…
Fiber strength refers to the ability of fiber to resist external damage, which largely determines the durability of textile products. Common indicators Fiber strength: Absolute strength, the maximum load that a fiber material can bear when it is stretched to…
A cotton ginning machine is used to process cotton, primarily to remove seeds and foreign matter, making cotton a raw material for the textile industry. It can greatly improve processing efficiency and product quality, and is one of the indispensable…
Fiber length directly affects the processing performance and practical value of the fiber and reflects the quality and performance of the fiber itself, so it is one of the most important indicators of the fiber. Fiber length definition Natural length:…
Rotor spinning working principle Rotor spinning is a new spinning methods, this spinning method belongs to the category of open-end spinning. Rotor spinning does not use spindles, mainly relying on opening roller, rotor, false twisting device and other components. The…