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Glossary
    in Terms
    in Terms & Definitions
 
LOI (limiting oxygen index):
a measure of flammability; the level of oxygen in the oxygen/nitrogen atmosphere (expressed as a percentage) that must be present before a fibre will ignite and burn when exposed to flame.
Last referenced in: Global technical textiles business update, 2nd quarter 2013 (Technical Textile Markets Issue 93)

Looper:
an eyed stitch-forming element which carries an under thread or a cover thread on some types of sewing machine.
Last referenced in: Sewing needles and threads for technical textiles (Technical Textile Markets Issue 93)

LOY:
low orientation yarn.
Last referenced in: Talking strategy: corporate social responsibility at Tommy Hilfiger (Global Apparel Markets Issue 3)

Lurex:
the brand name for a yarn with a metallic appearance, made by the company Lurex. The word is also used by the trade as a generic description.
Last referenced in: Survey of the European yarn fairs for spring/summer 2015 (Textile Outlook International Issue 168)

Lycra:
brand name used by Invista for its spandex or elastane fibre.
Last referenced in: Survey of the European yarn fairs for spring/summer 2015 (Textile Outlook International Issue 168)

Lyocell:
the generic name given to a new family of cellulosic fibres and yarns that have been produced by solvent spinning. The process is widely regarded as being environmentally friendly, and the product offers a number of advantages over traditional cellulosic fibres.
Last referenced in: Survey of the European yarn fairs for spring/summer 2015 (Textile Outlook International Issue 168)

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