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The name "spandex" is an anagram of the word "expands". Spandex warp knitting fabric are produced in four different ways: melt extrusion, reaction spinning, solution dry spinning, and solution wet spinning. Spandex is the preferred name in North America. It is a synthetic fiber known for its exceptional elasticity. Spandex is stronger and more durable than natural rubber.It is a polyether-polyurea copolymer that was invented in 1958 by chemist Joseph Shivers at DuPont's Benger Laboratory in Waynesboro, Virginia. When introduced in 1962, it revolutionized many areas of the clothing industry.