Spandex, elastane or lycra is an elastic synthetic fiber. It contains a combination of long chain polglycol, short chain diisocynate, and minimum 85% of polyurethane. Stabilizers and colorants are added to improve quality and enhance appearance of spandex. Spandex offers superior strength, weight, and versatility as compared to rubber. They have high elasticity and can be stretched 500% of their length. It is mainly used in fabrics due to its properties such as ability to be stretched, ... Read more
