Spandex yarn, elastic fiber is also a synthetic fiber, medium poly urine fiber, medium knotted polyurine fiber. It is versatile and can be used as a swimsuit due to its strong elasticity. Diaper; It has strong recovery and can be used as underwear. Outerwear; It has strong retention and can be used as tight underwear. pantyhose; It has strong formability and can be used as outerwear, etc.
<SPANDEX>Elastane fibers are also synthetic fibers <SYNTHETIC FIBERS> POLYURETHANE, and Segmented polyurethane FIber. Among them: LYCRA Spanzelle Vyrene
Elastic fiber is collectively referred to as: SPANDEX, which is produced in various countries, among which "Du PONT" DuPont is the leader, its product name is LYCRA, and it is generally called "SPANDEX"
The cross-section of the Dupont frame is circular, and the number of constituent strips is 10-15d/root; The Korean Zhanggen section is circular, and the number of constituent strips is 10-15d/root; It can be examined with a 100x magnifying glass. Differentiate.