Lycra
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Description
[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);
Other Properties
Soluble in hot dimethyl formamide. Moisture regain = 0.3% Elongation 500-700%. Cross section = round and fused at random points.
| Melting Point | 230 |
|---|
Hazards and Safety
Combustible, but self-extinguishing.
Additional Information
Lycra: Website
Comparisons
Properties of Synthetic Fibers
Sources Checked for Data in Record
- Rosalie Rosso King, Rosalie Rosso King, Textile Identification, Conservation, and Preservation, Noyes Publications, Park Ridge, NJ, 1985
- Marjory L. Joseph, Marjory L. Joseph, Introductory Textile Science, Holt, Rinehart and Winston, Fort Worth, TX, 1986
- Thomas Gregory, 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, Website address 1 Comment: www.astm.org