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Features of colored polyester yarn FDY

Article source：admin Popularity： time：2020-04-20 14:14:28

1. Good heat resistance: colored polyester yarn is made by melt spinning, so the heat resistance and heat insulation of polyester fiber are higher. It is the best among synthetic fibers.

2. Good abrasion resistance: The abrasion resistance of colored polyester yarn is second only to nylon with the best abrasion resistance, and is better than other natural fibers and synthetic fibers.

3. High strength: filament fiber strength is 2.6～5.7cN/dtex, high strength fiber is 5.6～8.0cN/dtex. Due to its low hygroscopicity, its wet strength and dry strength are basically the same. The impact resistance is 4 times higher than nylon and 20 times higher than viscose fiber.

4. Corrosion resistance: resistant to bleaching agents, oxidants, hydrocarbons, ketones, petroleum products and inorganic acids. It is resistant to dilute alkali, not afraid of mildew, but hot alkali can make it decompose. There is also strong resistance to acids and alkalis, and UV resistance.

5. Poor hygroscopicity: wearing a stuffy feeling, at the same time it is easy to be charged with static electricity and dirt, which affects the beauty and comfort. However, it is very easy to dry after washing, and the wet strength hardly drops, does not deform, and has good wash and wear properties.

6. Poor dyeability: but good color fastness, not easy to fade. Because there is no specific dyeing group on the molecular chain of polyester, and the polarity is small, it is difficult to dye, easy to dye, and dye molecules are not easy to enter the fiber.

7. Good light resistance. Lightfastness is second only to acrylic fiber. The light fastness of polyester fabric is better, except that it is worse than acrylic, its light fastness is better than natural fiber fabric. Especially the light fastness behind the glass is very good, almost as good as acrylic.

8. Good flexibility. The elasticity is close to that of wool, and it can almost completely recover when it stretches 5% to 6%. The wrinkle resistance exceeds other fibers, that is, the fabric does not wrinkle and has good dimensional stability. The modulus of elasticity is 22～141cN/dtex, which is 2～3 times higher than nylon. .Polyester fabric has high strength and elastic recovery ability, so it is durable, anti-wrinkle and non-ironing.

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Features of colored polyester yarn FDY

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