The tensile strength of about 3000 psi is a typical specification parameter with the specialized parameters for single-covered spandex yarns; this ensures sufficient toughness but retains overall flexibility as well as a soft hand sense. A: The spandex core refers back to the central part of a covered yarn crafted https://rubbercoveredyarn69368.mybuzzblog.com/11371532/covered-spandex-yarn-things-to-know-before-you-buy