Higher-tenacity synthetic fibers including nylon or polyester in many cases are picked for rigorous coloring because they can preserve their accurate colours with time. Elasticity，longevity，breathability，flexibility，shape retention，good dyeability，light-weight The ratio of pre-drawing in spandex is vital and significantly impacts the final cloth’s overall performance and hand ex... https://covered-elastic-yarn40505.blogaritma.com/30274170/covered-spandex-yarn-an-overview