1. The manufacturing process is to twist one or two strands of filament yarns with spandex bare yarns together to make filament yarns highly elastic and used to construct textile fabrics. The textile fabrics with spandex covered yarn are more elastic, higher quality, with the draping property, smooth, and will not easily change the shape.
2. Spandex covered yarn is a mixture of spandex bare yarn and various filament yarn materials such as polyester, nylon, and rayon. Then, it can be woven together with other fibers to make textile fabrics expandable and is more comfortable for customers.
Composition: spandex or lycra (denier), polyester (denier / filament).