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The characteristics of polyester

1. High strength. Short fiber strength is 2.6 ~ 5.7 cN/dtex, high tenacity fiber is 5.6 ~ 8.0 cN/dtex. Due to the low moisture absorption, its intensity of wet and dry strength is basically the same. Resistance to impact strength is higher than nylon 4 times, 20 times higher than viscose fiber.

2. Good elasticity. Elastic wool, when 5% ~ 6% elongation, almost fully recovered. Wrinkle resistance than that of other fibers, the fabric does not wrinkle, size stability is good. Elastic modulus is 22 ~ 141 cn/dtex, 2 ~ 3 times higher than nylon. Polyester fabric with high strength and elastic recovery ability, therefore, its fast and durable, anti-wrinkle wash and wear.

3. Heat resistant polyester is by melt spinning method, after forming of the fiber can again by heat melt, belongs to thermoplastic fibers. Polyester high melting point and specific heat capacity and thermal conductivity were smaller, ?

4. Good thermoplastic, melting resistance is poorer. Polyester fiber surface is smooth, due to the internal molecular arrangement closely, so the heat resistance of the best in the polyester is a synthetic fiber fabric material, thermoplastic, can make pleated skirts, and pleat lasting. At the same time, the melt resistance of polyester fabric is poor, with ash, Mars and other easy to form holes. Therefore, when wearing should try to avoid contact with cigarette butts, sparks, etc.

5. Good abrasion resistance. Abrasion resistance after wear resistance of nylon best, better than other natural fiber and synthetic fiber.

6. Good light fastness. Light fastness is second only to acrylic. Polyester fabric has good light fastness, in addition to the worse than acrylic, its fast ability is better than natural fiber fabrics. Especially the ability of fast behind the glass is very good, is almost equal with acrylic.

7. Corrosion resistance. Resistant to bleach, oxidant, hydrocarbons, ketones, petroleum products and mineral acid. Dilute alkali resistant, not afraid of bad, but hot alkali can make its decomposition. And stronger resistance to acid, alkali, anti-ultraviolet radiation ability

8. Dyeing is poorer, but the color fastness is good, not easy to fade. Because there was no specific dyeing polyester molecular chain group, and polarity is small, so the dyeing is relatively difficult, less easy to dye, dye molecules into the fibers.

9. Poor hygroscopicity, wearing have hot feeling, at the same time with static electricity, dust contamination, affect beautiful and comfortable. But after washing to dry and wet strength little drops, not deformation, good wash and wear performance.


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Zhejiang Anji Wangxiang Thread Co.,Ltd
Tel: +86-572-5057806
Address: Beishan Industrial Zone, Anji, Zhejiang, 313300, China
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