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Spandex
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<p>Spandex, Lycra, or elastane is a <a href="/facts/Synthetic_fiber/VBcafhnY">synthetic fiber</a> known for its exceptional <a href="/facts/Elasticity_(physics)/wcJoIFg1">elasticity</a>. It is a <a href="/facts/Polyether/jwDg0IKr">polyether</a>-<a href="/facts/Polyurea/hqRADSbq">polyurea</a> <a href="/facts/Copolymer/35D97DuV">copolymer</a> that was invented in 1958 by chemist <a href="/facts/Joseph_Shivers/LxpESatJ">Joseph Shivers</a> at <a href="/facts/DuPont/kCUfkJzE">DuPont</a>. </p>