The origin of spandex fabric
Spandex fabric is commonly known as Lycra.
Spandex fiber is short for polyurethane fiber.
Developed by German Bayer in 1937,
The American DuPont Company began industrial production in 1959.
Spandex is a synthetic fiber fabric,
The constituent material is mainly polyurethane.
Spandex is mainly used to make elastic fabrics,
After spandex yarn and other fibers are usually spun into core-spun yarn,