Vinyon Fiber
First U.S. Commercial Vinyon Fiber Production: 1939, FMC Corporation, Fiber Division (formerly American Viscose)
Federal Trade Commission Definition for Vinyon Fiber: A manufactured fiber in which the fiber forming substance is any long-chain synthetic polymer composed of at least 85% weight of vinyl chloride units. (-CH2 CHCl-)X. (Complete FTC Fiber Rules here.)
Characteristics and Vinyon Fiber Uses — Vinyon fibers soften at low temperatures but have high resistance to chemicals. They are most commonly used in industrial applications as a bonding agent for non-woven fabrics and products.
In some countries other than the United States, vinyon fibers are referred to as polyvinyl chloride fibers.