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Bicomponent fibers

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By: Karen McIntyre

Editor, Nonwovens Industry

Fibers made of two different polymers extruded into one filament (core within a sheath or side by side are examples). One type of bicomponent fiber is produced using two polymers so chosen that one component softens at a lower temperature to act as a binder while the other component maintains the web’s structural integrity. A second type of bicomponent fiber is splittable and with some form ofmechanical energy applied, such as the hydroentangled technology, will separate into finer denier fibers.

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