The tensile strength of about 3000 psi is a normal specification parameter with the specialized parameters for one-covered spandex yarns; this assures satisfactory energy but retains flexibility as well as a tender hand really feel. Elasticity，durability，breathability，flexibility，form retention，excellent dyeability，light-weight By clicking “Take All Cookies”, you conform to the ... https://indirab962ijm1.blogspothub.com/profile