Partially oriented yarn (POY)

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A continuous-filament yam made by extruding a synthetic polymer so that a substantial degree of molecular orientation is present in the resulting filaments, but further molecular orientation is possible.

Note.1: The resulting yarn will usually require a positive draw-ratio in subsequent processing in order to orient fully the molecular structure and optimize tensile properties.

Note 2: Yarns of this type made by high-speed spinning are commonly used as a feedstock for producing draw-textured yarns.

Textile Resource (http://www.textile.org.uk)

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