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Cotton classing is the measurement and classification of cotton by its specific physical attributes. This information is attached to individual bales, thus clarifying their value and helping producers market them. For cotton buyers, i.e. the spinning mills, this precise information about the cotton fiber enables them to achieve consistent yarn ...
Cotton classification, or classing, is the process of classifying cotton based on its grade, staple length, and micronaire. [14] Micronaire is a measure of cotton maturity. [15] Maturity of cotton fibers is measured with single fiber measurement test or by double compression air flow test. It is expressed in percentage or maturity ratio. [11]
Natural color in cotton comes from pigments found in cotton; these pigments can produce shades ranging from tan to green and brown. [3] Naturally pigmented green cotton derives its color from caffeic acid, a derivative of cinnamic acid, found in the suberin (wax) layer which is deposited in alternating layers with cellulose around the outside of the cotton fiber.
Cotton fields in the United States. The United States exports more cotton than any other country, though it ranks third in total production, behind China and India. [1] Almost all of the cotton fiber growth and production occurs in the Southern United States and the Western United States, dominated by Texas, California, Arizona, Mississippi, Arkansas, and Louisiana.
Textile fibres or textile fibers (see spelling differences) can be created from many natural sources (animal hair or fur, cocoons as with silk worm cocoons), as well as semisynthetic methods that use naturally occurring polymers, and synthetic methods that use polymer-based materials, and even minerals such as metals to make foils and wires.
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