POY Refers to incompletely drawn chemical fiber filaments with a degree of orientation obtained by high-speed spinning between unoriented and drawn yarns. Compared with undrawn yarn, it has a certain degree of orientation and good stability. It is often used as a special yarn for drawn textured yarn...

The quality indicators of polyester DTY(draw texturing yarn) include physical indicators and appearance indicators. The main quality indicators are introduced below. I. Strength and Elongation As for the strength of the fiber, it is not as high as possible. For example, the damage of polyester fabri...

Causes of Stiffness (DTY) DTY's "stiffness" will make the fabric noticeably produce "defects (details) and stains". The types and causes of formation of stiff wires are as follows: (1) Long-segment malformed silk is "long stiff silk". The external form lacks curl elasticity and fluffy, silk is stiff...

Polyester yarn is a kind of raw material of woven fabrics. The raw materials of woven fabrics are collectively called yarns or silks, and the corresponding ones are cotton yarns and rayon yarns. Nylon yarn, wool yarn, hemp yarn and so on. Dingkai Fiber controls the entire production process of polye...

Recently, the Science and Technology Force visited China Mobile and China Tower respectively, and conducted an in-depth understanding of China's current 5G construction and development. In the past, the author has already explained the construction cost and operation cost of 5G. Compared with 4G, 5G...

Since the launch of the group standard work in 2011, the China Chemical Fiber Association has solidly promoted the improvement of the system, the standardization and revision, and the application and promotion of standards. As of December 2017, it has organized and issued 50 standards of the Associa...