Knowledge

Volume dynamic: PTA plant overhaul, futures or expand, some factories in jiangsu buying enthusiasm, clinch a deal the PTA atmosphere in early trading,

In recent years, the oversupply of crude oil market and the outbreak of an epidemic have kept crude oil prices low. Last month, the first negative oil

Polyester is used as clothing fiber, and its fabric achieves the effect of no wrinkle and no iron after washing. Polyester is often blended or interwo

Nylon is the first synthetic fiber to appear in the world. Nylon fabric is strong and wear-resistant, lighter, more comfortable to wear, widely used i

Compressive strength: The compressive strength of polyester fiber is nearly 1 times higher than that of cotton batting and 3 times higher than wool fl

The basic composition of polyester is polyethylene terephthalate, the molecular formula HO-H2C-H2C-O[-OC-Ph-COOCH2CH2O-]n, because there are a large n

The gas-deformed yarn has the appearance of spun yarn, but it does not have the meteor and waxy feel of false-twisted yarn, and it is similar to worst

Spinning pendant is the earliest tool used for spinning in Chinese history. Its appearance can be traced back to the Neolithic Age at least. The unear

Combed yarn: Yarn spun through the combing process. It is preferably used for the material relative to carded yarn, straight and parallel yarn fibers,

The color fastness to rubbing is an important item of textile color fastness testing and the most common test item in the trade process. It refers to

The gas-deformed yarn has the appearance of spun yarn, but it does not have the meteor and waxy feel of false-twisted yarn, and it is similar to worst

High temperature resistant plastic optical fiber products are designed to improve the high temperature resistance of optical fibers. They are mainly u