Spandex Fiber | Properties of Lycra | Elastane Fiber

Posted by Firoz Kabir on Monday, December 2, 2013 0

Spandex Fiber
FTC (Federal Trade Commission) Definition-A manufactured fiber in which the fiber forming substance is a long-chain synthetic polymer comprised of at least 85% of a segmented polyurethane. Dupont Company first produced spandex as Lycra in 1959. Lycra is a trade name of spandex fiber was given by "Dupont" The others trade name of spandex is Elastane, Elaspan, Linel, ROICA and ESPA according to the manufacturers. Now Spandex is widely used for producing stretch fabrics such as knit fabrics, denim, twill, canvas, etc.

Available fiber formation
  • Spandex Textile Filament Fiber

Raw Materials of Spandex
  • Polyurethane
  • Natural latex

Properties of Spandex fiber
  • Outstanding stretch and recovery.
  • Extensibility is maximum 700%
  • Stronger, more durable and higher retractive force than rubber
  • Lightweight, soft, smooth, supple
  • Widely use in garments for comfort and fit.
  • Heat-settable — facilitates transforming puckered fabrics into flat fabrics, or flat fabrics into permanent rounded shapes
  • Easily Dye-able
  • Resistant to deterioration by body oils, perspiration, lotions or detergents
  • Abrasion resistant
  • Available in fiber diameters ranging from 10 denier to 2500 denier
  • Available in clear and opaque lustrous
  • Easily sew-able with no needle breakage

End Uses:
  • Most of the apparels where requires stretch and fit.


About the Author

Md. Firoz Kabir(M.Sc in Textile Engineering)

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