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Glossary
    in Terms
    in Terms & Definitions
 
E-glass:
a formulation of glass designed for use in electric circuitry which has particularly good electrical and heat resistance properties. E-glass is also the most common type of glass formulation used in glass-fibre reinforcements.

Elastane:
a fibre containing at least 85% by mass of a segmented polyurethane which possesses inherent stretch properties (also known as spandex, especially in the USA). Elastane fibre can be stretched by up to 700% without breaking and recovers to its original length after being stretched.
Last referenced in: Global technical textiles business update, 2nd quarter 2008 (Technical Textile Markets Issue 73)

Elastane, elastomeric:
a fibre, often made of polyurethane, possessing inherent stretch properties (also known as spandex, especially in the USA).
Last referenced in: Stretch fibres and fabrics: reaching new levels of comfort (Performance Apparel Markets Issue 38)

Elastolefin fibre:
an inherently elastic fibre composed of at least 95% by mass of macromolecules made up of ethylene and at least one other olefin. The molecules are partially cross-linked. When the fibre is stretched to one and a half times its original length and released, it recovers rapidly and substantially to its initial length.
Last referenced in: Stretch fibres and fabrics: reaching new levels of comfort (Performance Apparel Markets Issue 38)

Elastomeric fibre:
a fibre which possesses extremely high elongations at break and recovers fully and rapidly from high elongations up to its breaking point. The term "elastomer" is derived from "elastic polymer".

Elastomeric yarn:
a yarn formed from an elastomer.
Last referenced in: Stretch fibres and fabrics: reaching new levels of comfort (Performance Apparel Markets Issue 38)

Elastomeric yarns:
yarns whose structure gives them good stretch and recovery properties. The Elastomeric yarns based on polyurethane are called elastane, or spandex in the USA and parts of Asia. The terms elastane and spandex do not, however, include stretch polyamide fibr
Last referenced in: Innovations in fibres, textiles, apparel and machinery, November-December 2003 (Textile Outlook International Issue 108)

Electret:
a non-conductive polymeric material which can maintain a long-lived electrostatic charge after being subjected to a strong electric field. Electret filtration fabrics made from synthetic fibres conveniently combine the mechanical removal of particles with an electrostatic field, which materially increases the filtration efficiency.

Electrospinning:
in established versions of the electrospinning process, a polymer solution or molten polymer is given an electrical charge and forced through a capillary. As the charge is increased, a jet of polymer is emitted from the capillary and coalesces in the form of very fine fibres, up to 500 times thinner than a human hair.
Last referenced in: The world nonwovens industry: 20 medium sized producers, part 2 of 3, 2011-12 (Technical Textile Markets Issue 87)

Elité:
a brand name used by Nylstar for a stretch polyamide 6.6 fibre.
Last referenced in: Survey of the European yarn fairs for spring/summer 2015 (Textile Outlook International Issue 168)

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