Spandex or Likera yarn
Spandex or lycra yarn is a type of fiber Polyurethane. This thread is used to prepare clothes such as socks, Shirts, gloves, bandages used in industries medicine, Sports clothes, sweatshirts, swimwear, coveralls, wristbands, knee braces, astronauts' clothes, etc. are used. The competitive conditions of the market and... are among the components that play a role in determining the purchase and sale price of this type of yarn.
Buy and sell spandex yarn
The price of spandex yarn in the buying and selling market is influenced by various factors such as quality level, quantitative characteristics, yarn grade, number of filaments, customer order volume, competitive market conditions, etc. Of course, in recent years, the fluctuations in the price of yarn have been much more intense, and one of the most important reasons for that is the fluctuations in the exchange rate.
What features do Spandex yarn
This thread has many features and characteristics, of course, many people may not be aware of it. Therefore, in this part of the article, we introduce the features and characteristics of this type of yarn.
- قابلیت کش آمدن به اندازه ۴ الی ۷ برابر طول اولیه
- مقاومت گرمایی ۳۵۰ تا ۳۹۰ سانتی گراد
- نرمی ۵۰۰F
- مقاومت عالی در برابر اکسیداسیون
- مقاومت بالا در برابر اسید ها
- برخورداری از مقاومت بالا در برابر الکل
- برخورداری از مقاومت بالا در برابر نور
- استحکام و دوام بالا
- برخورداری از ساختار ایده آل برای ایجاد کشش لازم در پارچه
The mentioned items are considered to be the most important and main characteristics of this type of thread. Of course, these features can undergo slight changes according to the quality of the thread.
The methods of spandex yarn production
This thread can be produced in four ways. These four methods are:
- ذوب ریسی – melt extrusion
- خشک ریسی – solution dry spinning
- تر ریسی – solution wet spinning
- ریسندگی واکنشی – reaction spinning
What is Span
Spun is a term often used for a type of polyester (shredded) yarn. Of course, the exact concept is those threads whose fibers are fragmented and not in a uniform state. This feature is not only related to polyester. Spunness of a thread helps the passage of air in clothes.
Spandex yarn features
Spandex is derived from the word (expands) which means expanding. Lycra is very resistant and has the ability to stretch up to 5 times its normal length. For this reason, no damage is done to the texture of the fabric.
These fibers are used in the textile industry to produce all kinds of clothes. Because, no matter how much it is stretched, it will return to its original state. Even if this fabric is washed with very hot water and hung, after drying, there will be no change in its size, size and texture.
Currently, the uses and applications of spandex yarn are very wide. The reason is that these types of yarns are usually produced and supplied with a combination of filament fibers. For this reason, the number of filaments has a great effect on the elasticity of this type of yarn.
The type of yarn and the method of weaving are among other factors that always change the characteristics of the final spandex yarn and as a result its use. to be For example, 20-30% spandex yarn is always used in the design and production of swimwear fabric.
Spandex yarn applications
This type of yarn is widely used in the production of socks, shirts, gloves, bandages used in the medical industry, sports clothes, sweatshirts, swimwear, overalls, wristbands, kneebands, astronauts' clothes, etc.
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The widespread use of spandex yarn has made it known as one of the most widely used types of yarn in the textile and clothing industries. Factories that produce sportswear and medical equipment are always looking to buy spandex yarn for their products.
In sports such as swimming, which always requires very high mobility and stretch, stretchy clothes are suitable. For this reason, spandex thread is used in the production of sports clothes with high elasticity.
