Covered yarn is also referred to as wrapped yarn, and considered one of the obvious discrepancies between covered yarn and other elastic yarns would be that the Main yarn has no twist. The Main-sheath romance among spandex yarn and outer covering is apparent, even so the diploma of cohesion in https://covered-elastic-yarn32096.blogadvize.com/38784433/5-simple-statements-about-covered-elastic-yarn-explained