Classification of cotton: On the basis of Maturity
The fiber relates to the development of the cell wall. In other words, maturity is the measure of primary and secondary wall thickness. According to the maturity, cotton fiber is classified into the following three groups:
Mature fiber: well developed secondary cell wall and very small lumen size.
Immature fiber: fibers with thinner secondary cell wall developed. They produce paler shade in dyeing due to their poor absorption capability of dyes.
Dead fiber: Only primary cell wall developed. They remain undyed in dyeing due to their minimum absorption capability of dyes and chemicals. Because of dead fibers, the neps oppear in fabric surface prominently.
Naturally colored cotton organically grown. During the 1990s color grown cotton was back in production, due to the efforts of Sally Fox, an inventor from California, who cultivated long fiber colored cotton, and created her own patented cotton called “Fox Fiber” Naturally colored cotton is a naturally pigmented fiber that grows in shades of green and brown. The natural color is due to the plant’s inherent generic properties. Shades of colored cotton can very over seasons and geographic location due to climate and soil variations. Most fox fiber is grown organically and requires minimal processing because it does not need to be dyed. It is used in a wide variety of products today, including clothing, bedding and furniture.
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