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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:

A clearly defined band (q.v.) or bands that run (s) full width across an open-width fabric or spirally in a tubular fabric, and differ (s) in appearance from the adjacent normal fabric as the result...
The fleece comes from a Cashmere goat. These animals roam at high elevations (10,000-15,000 ft.), hence their very warm, soft fleece. Garments made with cashmere are normally more expensive because...
A natural textile made from the pulp of bamboo grass, it is considered sustainable, because the bamboo plant grows quickly and does not require the use of herbicides and pesticides to thrive....
The distance between the beginning of one complete pattern in the fabric weave, print, or design and the beginning of the next identical pattern. Fabric may have vertical or horizontal repeats or...
A method of printing by passing the fabric over metal rollers on which the design has been engraved. One roller is used for each color. Used for printing long runs with good register and a clear,...

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