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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:

Any twill weave which runs from the left. The twill or diagonal line on the face of the fabric will run from the upper left-hand corner to the lower right-hand corner of the fabric. Leight Weight-...
A component in cotton of trash (q.v.) in the form of a heterogeneous assortment of vegetable fragments, most of them being small pieces of leaf, leaf bract (a small form of leaf growing beneath the...
Moccasin is a native American word, and means a shoe made of deerskin or soft leather. It is made in one piece; the sole is soft and flexible and the upper part is often adorned with embroidery,...
Hemp is currently being used by designers in clothing. When thinking of hemp, the illegal plant, marijuana comes to mind. No, hemp fabric does not contain the narcotic chemical that, when smoked...
A method of folding finished fabric in which the fabric is first folded in half widthwise, then folded back and forth in equal lengths. Finally, the fold edge on each side is folded to the inside,...

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