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What kind of fabric is spandex?

Update:30-09-2021
Summary:

Spandex fabric is short for polyurethane fiber, which i […]

Spandex fabric is short for polyurethane fiber, which is a kind of elastic fiber. Spandex is generally composed of multiple filaments, usually 10D/root. Currently, there are 15D/root, or even 20D/root. The less the number of theoretical roots, the better the evenness of the evenness, because the chance of overlapping forms is less. DMAC, the production solution of spinning, is harmful to the liver of the human body. Generally, 10D/root contains 0.5mg/kg, such as 15D/root contains 0.7mg/kg, which exceeds the standard.

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