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What is "Fiber Base" - Definition & Explanation

Most man-made fibers are formed by forcing a syrupy substance (about the consistency of honey) through the tiny holes of a device called a spinneret In their original state, the fiber-forming substances exist as solids and there-fore must be first converted into a liquid state for extrusion. This is achieved by dissolving them in a solvent or melting them with heat. If they cannot be dissolved or melted directly, they must be chemically converted into soluble derivatives.

The basic substance for the three cellulosic fibers (acetate, rayon, and triacetate) is cellulose, which comes from purified wood pulp. It can be dissolved for extrusion into fibers. The substances used in the production of the noncellulosic fibers generally are melted or chemically converted into a liquid state.

Some other terms

Some more terms:

Calendered is a dry finish that creates a very smooth, lustrous fabric. There are many types of calendering which vary in permanence. All types involve passing the fabric through large heated rollers...
Flax is taken from the stalk of the Linum usitaatissimum plant. It is a long, smooth fiber and is cylindrical in shape with a length varying from 6 to 40 inches but averaging between 15 and 25...
A fabric in the condition in which it leaves the loom or knitting machine, i.e. before any bleaching, dyeing or finishing treatment has been given to it. NOTE: In some countries, particularly on...
Astrakhan pelt of the newborn Persian lamb, used like fur in garments, and also the woolen fabric woven to resemble real astrakhan. The cloth is woven on a cotton base entirely covered by a pile of...
Hosiery describes undergarments worn directly on the feet and legs. Types of hosiery 1.Socks: 2.Stockings: 3.Pantyhose Sock A sock is a baglike covering for the foot and/or lower leg, which...

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