中文

News

What are the ways to judge the quality of polyester yarn?

Update:2021-02-20
Abstract:

Polyester is an important variety of synthetic fibers, […]

Polyester is an important variety of synthetic fibers, and it is the trade name of polyester fiber in my country. Polyester filament material has a high melting point and a series of excellent physical properties, and has a wide range of uses. Therefore, there are all kinds of polyester yarns China polyester DTY yarns Companyon the market, and the market supply is uneven, and buyers do not know how to distinguish good from bad. In fact, there are many ways to identify polyester yarn. So, what are the ways to judge the quality of polyester yarn?
1. Touch method

When inspecting polyester yarn products, one of the most effective ways to distinguish is to use the human hand to feel the touch of the polyester yarn products with your fingers. The high-quality polyester yarn will appear comfortable, smooth and touches the skin. It feels like silk and satin... But inferior silk threads are mostly accompanied by hairs, burrs and some slight unevenness and uneven thickness. In addition, the way to judge the compatibility of polyester yarn is to pull it, which can effectively check the toughness of the polyester yarn and see the strength and resilience of the entire yarn.

 

2. Combustion method

In layman's terms, the product is ignited with fire and then extinguished, and the nose is used to judge the quality of the product. Good polyester yarn does not have a pungent unpleasant plastic smell after being burned with fire, and the ashes left after burning with fire can also be blown away, instead of sticking together. The melting point of polyester yarn is 260℃, and the ironing temperature can be 180 ℃, the quality of polyester yarn is good, it is not easy to wrinkle, and it is firm, dimensional stability, and shape retention.

3. Visual identification method

First of all pay attention to the color and luster, look at the color of the colored polyester yarn, first check whether the color rendering is correct, whether the color is bright and pure; second, check whether the color on the whole silk thread is uniform, and whether there is any change in depth; third look at the top of the silk thread Whether the color of the product is stable, it can be tested by washing with water. The color fastness of a good product is stable and will not be easily discolored.

Polyester yarn is the most productive synthetic fiber in the world. Polyester silk fabrics mainly include knitted shirts, work clothes, warp-knitted decorations, curtains, etc., with a wide range of uses. But the fabrics woven from different raw materials are also very different, and the texture and feel are very different, so the price difference is also very big. So which one is better for polyester yarn? In general, you can make better comparisons after you learn how to judge the quality of polyester yarn!

0
Views: 126