Modacrylic Fiber

Modacrylic Staple Fiber
Modacrylic Tow Fiber

First U.S. Commercial Modacrylic Fiber Production: 1949, Union Carbide Corporation

Current U.S. Modacrylic Fiber Producers: Solutia Inc.

Federal Trade Commission Definition for Modacrylic Fiber: A manufactured fiber in which the fiberforming substance is any long chain synthetic polymer composed of less than 85% but at least 35% by weight of acrylonitrile units. (-CH2CH[CN]-)x. (Complete FTC Fiber Rules here.)

Basic Principles of Modacrylic Fiber Production — Modacrylic fibers are made from resins that are copolymers (combinations) of acrylonitrile and other materials, such as vinyl chloride, vinylidene chloride or vinyl bromide. Modacrylic fibers are either dry spun or wet spun.

Modacrylic Fiber Characteristics

The low softening temperatures of modacrylic fibers allow them to be stretched, embossed and molded into special shapes. The fibers may be produced with controlled heat shrinkage capacities. When fibers of different shrinkages are mixed in the surface of a pile fabric, the application of heat develops fibers of different lengths, producing a surface that resembles natural fur.

Some Major Modacrylic Fiber Uses

General Modacrylic Care Tips — Dry-cleaning or fur-cleaning process is suggested for deep-pile garments. For washable items:

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