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The hair of the vicuña is sheared in pens after a traditional roundup ("chaccu"). [8] A wool with an average fiber length of 2–4 cm is obtained every other year. The weight of shorn wool hairs per animal is about 250 g every two years [9] to 450 g, [1] after removal of unwanted guard hairs from the down hair. [1]
The “coefficient of variation of fibre diameter” (CVD) is a measure of the variation in fibre fineness within the sample fleece, relative to the average fibre diameter. Crossbred and coarse wools are often measured for mean fibre diameter by older instruments—"Airflow" in many parts of the world, and even a projection microscope in some ...
The cited Andersland Charts include corresponding water content percentages for easy measurements. The TPRC Data Book has been quoting de Vries with values of 0.0251 and 0.0109 W⋅cm −3 ⋅Kelvin −1 for the thermal conductivities of organic and dry mineral soils respectively but the original article is free at the website of their cited ...
Hair from animals such as horses is also an animal fiber. Horsehair is used for brushes, the bows of musical instruments and many other things. Along with mink hair, it's also a common choice for eyelash extensions and similar cosmetics. The best artists brushes are made from Siberian weasel, many other fibers are used including ox hair and hog ...
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Mohair is composed mostly of keratin, a protein in the hair, wool, horns and skin of all mammals, but mohair's special properties are unique to the Angora goat. While it has scales like wool, they are not fully developed, [1] thus, mohair feels different from common or standard wool. Mohair fiber is approximately 25–45 micrometres in diameter ...
The original hair type chart, also known as the hair typing system, was created by Andre Walker, Oprah Winfrey's hairstylist, in the 1990s. He debuted the system on Winfrey's show to promote his ...
Textile fibers, threads, yarns and fabrics are measured in a multiplicity of units.. A fiber, a single filament of natural material, such as cotton, linen or wool, or artificial material such as nylon, polyester, metal or mineral fiber, or human-made cellulosic fibre like viscose, Modal, Lyocell or other rayon fiber is measured in terms of linear mass density, the weight of a given length of ...