Why does spandex fabric turn yellow 2021-10-01
Characteristics of Spandex 1. Spandex fiber has excellent elasticity, and its elastic elongation is the highest among textile fibers, which can reach 400% to 500%; the elastic recovery rate is also high, which can reach 95% to 99%.2. Spandex is a thermoplastic fiber, with a softening point of 160°C,
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