Rayon is a silk man-made fiber composed of cellulose, and cellulose is an organic compound that constitutes the main component of plants, such as chemical filaments, such as viscose, cupro, and cellulose. Cotton short velvet is chemically produced. It is a material with strength and wear resistance, and has hydrophilic properties. It is widely used in the production of hanging fabrics, pharmaceuticals, non-woven fabrics, and sanitary products.
1. Spandex has very high elasticity. Generally, products do not use 100% polyurethane. Most of them are mixed with 5~30% in the fabric. The various spandex fabrics obtained have 15%~45% comfortable elasticity.