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[Chemical Knowledge]：Properties and uses of spandex

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Spandex is a synthetic fiber with good elastic recovery properties and is widely used in various textiles. In the field of chemical production raw materials, the nature and use of spandex is very important.

1. the properties of spandex

1. High elasticity: spandex has the characteristics of high elongation and high recovery. Its elastic elongation can reach 500-800%, and it can quickly restore the original length.

2. Wear resistance: Spandex has good wear resistance and can maintain good durability during use.

3. Acid and alkali resistance: Spandex has good acid and alkali resistance and can maintain stable properties within a certain pH range.

4. light and soft: spandex fiber is light and soft, with good comfort.

2. spandex uses

1. textiles: spandex is widely used in various textiles, such as underwear, sportswear, swimwear, socks, etc., can improve the elasticity and comfort of fabrics.

2. medical bandage: spandex has good elasticity and breathability, can be used to make medical bandages, play a role in fixing and supporting.

3. rubber products: spandex can be added to rubber products as a reinforcing material to improve the elasticity and wear resistance of rubber products.

4. Other fields: Spandex can also be used to make fire fighting clothing, protective clothing, aerospace materials, etc.

In short, spandex, as an important raw material for chemical production, has been widely used in various fields. Understanding the properties and uses of spandex will help us make better use of this material and improve the quality and performance of our products.

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