What is the Difference Between Lycra and Spandex?

Question: What is the difference between spandex and Lycra fibers? Is there any technical difference? And what are the fabric properties differs for cotton/spandex fabric and cotton/lycra fabric?

The main difference between Lycra and spandex fabric.

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Differences Between Lycra and Spandex

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Elastane vs Spandex vs Lycra What is the Difference

What is the Difference Between Lycra and Spandex? Euphoric Colors is Made in USA Custom Clothing In Los Angeles one stop for all your private label apparel