Spandex is a widely popular and versatile material known for its exceptional stretchiness and form-fitting properties. It is commonly used in a wide range of applications, including athletic wear, swimwear, intimate apparel, and even furniture upholstery. But what exactly is spandex made of? In this article, we will explore the composition of spandex and its unique characteristics. Introduction to Spandex Spandex, also known as elastane or Lycra (a trademarked name by the company Invista), is a synthetic fiber that was first developed in the late 1950s. It was initially created as an alternative to rubber for making garments that required stretch and recovery. Spandex quickly gained popularity due to its superior elasticity and ability to retain its shape even after repeated stretching and use. Composition of Spandex Spandex is made from a polymer known as polyurethane, which is a type of plastic. Polyurethane is a complex compound made by reacting diisocyanates with di...