Fiber & Textile
Associations

Polyvinyl Alcohol Fibers
(Vinylon Fibers)

Properties

Vinylon fibers are fibers in which the fiber-forming substance is any synthetic polymer composed of at least 50% by weight of vinyl alcohol (PVA) and in which the total vinyl alcohol units and any one or more acetal units in the fiber are at least 85 % by weight. The fiber is also known as vinal or vinylal.

PVA fibers have high tenacity, high Young's modulus, low elongation, low creep, and excellent resistance to severe weather (UV) and chemicals (alkali, acid, oil, etc.). Fabrics made from this fiber have a cotton-like feel, good affinity to water, do not emit toxic gases when burned, and are easy to wash and dry, and thus, can replace cotton in many applications.

 

COMMERCIAL Polyvinyl Alcohol Fibers

Major manufacturers of polvinyl alcohol fibers are Kuraray and Unitika.

 

Applications

Major applications include geo-textiles, ropes, agriculture and fish nets, paper, filters and other non-wovens. PVA fibers are also used as reinforcement in corrugated sheets for roofing applications (fiber cement).

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Last updated: October 11, 2017

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