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The surface structure of the fiber has scales as in sheep wool. [3] The scale spacing is between 7 and 14 scale rings per 100 microns. [4] The cell arrangement of the fiber is bilateral in transmission electron microscopy (as also in guanaco hair), while it is disordered in llama and alpaca. [5]
Not all animal fibers have the same properties, and even within a species the fiber is not consistent. Merino is a very soft, fine wool, while Cotswold is coarser, and yet both Merino and Cotswold are types of sheep. This comparison can be continued on the microscopic level, comparing the diameter and structure of the fiber.
This is an accepted version of this page This is the latest accepted revision, reviewed on 10 December 2024. Textile fiber from the hair of sheep or other mammals For other uses, see Wool (disambiguation). Wool before processing Unshorn Merino sheep Shorn sheep Wool is the textile fiber obtained from sheep and other mammals, especially goats, rabbits, and camelids. The term may also refer to ...
Qiviut is produced by the muskox's secondary hair follicles, which are not associated with sebaceous glands, and therefore is a much drier fibre than wool, having only about 7 percent oils. The hair follicle density is very high (approximately 42 mm 2 [0.065 sq in]) and qiviut is shed in a tightly synchronized spring moulting period.
Chiru down hair (left) and cashmere down hair (right) comparison via scanning electron microscope Chiru guard hair comparison undyed and dyed via light microscope. The average fiber diameter of the down hair is 11.45 microns with a standard deviation of 1.78 microns and a coefficient of variation of 15.55 %, and a span from 6.25 to 16.25 microns. [4]
Textile fibers come in a variety of shapes and forms. The fiber shape of synthetic fibers is controlled with a device spinneret during manufacturing (extrusion) process, whereas natural fibers conceive their shape with a variety of factors such as cellulose built up in plant fibers, and in silk, the shape of orifice from where the silk fibers are extruded.
But it took 34 years of scientific advancement to link microscopic fibers found on the boy's shirt to a ligature that investigators located at the couple's home, a sheriff said. Victor Lee Turner ...
Alumino silicate wool, also known as refractory ceramic fiber (RCF), consists of amorphous fibers produced by melting a combination of aluminum oxide (Al 2 O 3) and silicon dioxide (SiO 2), usually in a weight ratio 50:50 (see also VDI 3469 Parts 1 and 5, [7] as well as TRGS 521). Products made of alumino silicate wool are generally used at ...