
Vinyon is a synthetic fiber made from polyvinyl chloride. In some countries other than the United States, vinyon fibers are referred to as polyvinyl chloride fibers. It can bind non-woven fibers and fabrics. It was invented in 1939. It has the same health problems associated with chlorinated polymers. In the past, Vinyon was used a substitute for ...
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http://en.wikipedia.org/wiki/Vinyon

A fiber formed from long-chain polymers composed of at least 85 percent by weight of vinyl chloride units.
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http://www.chezirene.com/articles/precostuming/pc110-glossary.html
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