Polyester fiber is a chemical fiber refined by chemical process. The polyester fiber is mainly extracted from coal, oil or natural gas. It’s durable and elastic for wide application. Not only blended with spandex, but also blended with other fibers like cotton,rayon etc.
Due to good elasticity and quick drying, polyester spandex fabric is perfect for sportswear and leggings. Also,it’s a good choice for sewing suit, coat and shirt because of good stiffness and wrinkle resistance.
Polyester spandex fabric need washing with cold water. If not, the water below 45 degrees is available. Polyester yarn is melt spun, so high temperature is not friendly to her at all.
For leggings, sportswear, swimwear and underwear, the spandex content is 10%-30%. This is often polyester spandex or nylon spandex. Beyond 30%, some shape wear or waist band is available. These fabrics often have high compression level.