From the literal meaning, we know that black cotton is a product of poor quality. Generally speaking, black cotton is an inferior product and does not meet national standards. In order to save costs, some unscrupulous merchants will add seeds during processing. Mixed with black-core cotton, so when we buy cotton products, we must learn to identify black-core cotton.
First of all, let’s take a look at the basic characteristics of black cotton. It is a fiber product made of wadding. It is not smooth and has no elasticity to the touch. It has a very poor touch and lacks luster. Black-core cotton fibers have low strength and are easily torn if broken by hand. They are usually chemically treated and will have a peculiar smell if you smell them. The fibers of the bleached black cotton have been damaged and absorbed harmful substances, which is harmful to the human body. Common problems include allergies and even breathing difficulties. Black-core cotton will no longer be black after being bleached, which invisibly increases consumers’ ability to identify black-core cotton. Let’s teach you how to identify black-core cotton.
How to identify black cotton?
It can be identified by sight. Black-core cotton has no luster and dull color, and it is all discarded scraps.
Secondly, you can smell it with your nose. Black cotton will emit an unpleasant chemical smell, and it is easy to be poisoned in this environment for a long time.
It can also be identified by igniting it. The ignited sample will emit a pungent chemical smell, which is not the smell of burning fibers.
Black-core cotton has low toughness and breaks when torn, while normal cotton is not so easy to break.
Finally, it can be distinguished by the feel. Pure cotton is soft, comfortable and has an excellent feel, while black cotton has a rough texture and contains impurities.
The above is the content related to black heart cotton compiled for everyone. Friends who want to continue to learn more about fabrics can browse the fabric knowledge module.
