The most important feature of polyester is that its elasticity is stronger than any fiber; its strength and abrasion resistance are better. Polyester yarn, the fabric woven from it is not only 3 to 4 times faster than other fibers, but also stiff and not easily deformed. It has the reputation of "non-ironing"; polyester has strong heat resistance; it has good chemical stability, and will not interact with weak acids, weak bases, and oxidants at normal temperatures.
high strength. The short fiber strength is 2.6～5.7cN/dtex, and the high tenacity fiber is 5.6～8.0cN/dtex. Because of its low hygroscopicity, which is better for polyester yarn, its wet strength and dry strength are basically the same. The impact strength is 4 times higher than nylon and 20 times higher than viscose fiber.
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 is better than other fibers, that is, the fabric is not wrinkled 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. Polyester yarn is a supplier, so it is durable, wrinkle-resistant and non-ironing.
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