The tensile toughness of about 3000 psi is a normal specification parameter to the specialized parameters for one-covered spandex yarns; this ensures satisfactory toughness but retains overall flexibility and a soft hand experience. Restoration: The point that spandex can return to its previous shape following deformation is crucial in making https://rubber-covered-yarn07272.nizarblog.com/31846295/the-5-second-trick-for-covered-spandex-yarn