The tensile strength of about 3000 psi is a standard specification parameter for that specialized parameters for single-covered spandex yarns; this assures satisfactory strength but retains adaptability and also a delicate hand really feel. Elasticity,longevity,breathability,flexibility,shape retention,superior dyeability,light-weight Polymerization: The first step is the polyme... https://willa208enx8.wikipresses.com/user