When picking concerning air-covered and mechanically covered yarns for my manufacturing system, I constantly contemplate several critical elements, as encouraged by foremost business industry experts. Elasticity,toughness,breathability,versatility,shape retention,good dyeability,light-weight Toughness: Spandex is resistant to problems from use and tear, as well as to damage from... https://gunnervlyjt.bloggazzo.com/31060472/covered-spandex-yarn-an-overview