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Polyester characteristics
Oct 30, 2017

CVC cotton flame retardant fabric is made of polyester fiber cotton fiber blended the following more than 50% and 50% into the fabric in addition to moisture permeability characteristics of cotton fiber, polyester fiber with good elasticity and resilience; the fabric is widely used in machinery, welding, mining, chemical and other fields; what are the characteristics of polyester?

1. high strength. The strength of staple fiber is 2.6 ~ 5.7cN/dtex, and the high tenacity fiber is 5.6 ~ 8.0cN/dtex. Because of its low moisture absorption, its wet strength and dry strength are basically the same. The impact strength is 4 times higher than that of nylon, 20 times higher than viscose fiber, 1 times higher than cotton, and 3 times higher than that of viscose fiber,

2. good elasticity. The elasticity is close to wool, and can be almost completely recovered when it is stretched 5% to 6%. Wrinkle resistance is superior to other fibers, that is, fabric does not wrinkle, and has good dimensional stability. The modulus of elasticity is 22 ~ 141cN/dtex, 2~3 times higher than that of nylon.

3. good heat resistance. It can be used at 70~170 degrees, which is the best heat resistance and thermal stability in synthetic fiber

4. good wear resistance. The wear resistance is second only to that of nylon, which is better than other natural fibers and synthetic fibers.

5. light fastness is good. Light resistance is second only to acrylic fiber.

6. corrosion resistance. Resistance to bleaching agent, oxidizing agent, hydrocarbons, ketones, petroleum products and inorganic acid. Resistant to dilute alkali, not afraid of mildew, but hot alkali can make it decompose.

Disadvantages: 1. polyester surface is smooth, the internal molecular arrangement is close, the lack of hydrophilic structure between molecules, so the moisture regain is very small, poor moisture absorption performance.

2. poor permeability.

3. easy to start static electricity

4. easy pilling

5. easy fuzzing

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