[Invista, formerly DuPont Textiles] A registered trademark for a spandex (polyurethane) fiber that is produced as a continuous filament. Lycra® was introduced in 1959. It is available in a wide range of yarn sizes with denier from 40-2240. It has excellent stretch and recovery properties and is one of the most durable elastic fibers available. Lycra® is used for girdles, swimwear, surgical hose, and athletic clothes. Chlorine in swimming pools can cause slow degradation of the fibers.
Synonyms and Related Terms
spandex; licra (Esp.); Lycra (Ned);
Soluble in hot dimethyl formamide. Moisture regain = 0.3% Elongation 500-700%. Cross section = round and fused at random points.
Hazards and Safety
Combustible, but self-extinguishing.
- Rosalie Rosso King, Textile Identification, Conservation, and Preservation, Noyes Publications, Park Ridge, NJ, 1985
- Marjory L. Joseph, Introductory Textile Science, Holt, Rinehart and Winston, Fort Worth, TX, 1986
- Thomas Gregory, The Condensed Chemical Dictionary, Reinhold Publishing, New York, 3rd ed., 1942
- The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998
- Website address 1 Comment: www.astm.org