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Elastane is known by the North American name of Spandex.
 
This term is a compound of the words "elastic" and "polyurethane".
 
It designates high elasticity yarns composed of at least 85% polyurethane.
 
These yarns mixed with other materials bring elasticity and comfort to the garment.
 
Marketing began in 1958 by Dupont de Nemours, under the name Lycra®.

 

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