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Wool is produced by follicles which are small cells located in the skin. These follicles are located in the upper layer of the skin called the epidermis and push down into the second skin layer called the dermis as the wool fibers grow. Follicles can be classed as either primary or secondary follicles.
Full wool Merino sheep Merino sheep and red goats. Madrid, Spain. The Merino is a breed or group of breeds of domestic sheep, characterised by very fine soft wool.It was established in Spain near the end of the Middle Ages, and was for several centuries kept as a strict Spanish monopoly; exports of the breed were not allowed, and those who tried risked capital punishment.
Angora wool, showing the "halo" effect. Angora hair or Angora fibre is the downy coat produced by the Angora rabbit. While the names of the source animals are similar, Angora fibre is distinct from mohair, which comes from the Angora goat. The cloth produced has sometimes been named Angola fabric. [1]
The animal fibers used most commonly both in the manufacturing world as well as by the hand spinners are wool from domestic sheep and silk. Also very popular are alpaca fiber and mohair from Angora goats. Unusual fibers such as Angora wool from rabbits and Chiengora from dogs also exist, but are rarely used for mass production.
[2]: 19 Sheep production in Patagonia peaked in 1952 at more than 21 million head, but has steadily fallen to fewer than ten today. [47] Most operations focus on wool production for export from Merino and Corriedale sheep; the economic sustainability of wool flocks has fallen with the drop in prices, while the cattle industry continues to grow.
The wool is soft and may have kemp and black, grey or red fibres, which makes it attractive in tweeds and upholstery. Staple length is 5 to 15 centimetres (2.0 to 5.9 in). [2] Black Welsh Mountain sheep had mutton that was prized for its quality, and produced valuable Cochddu wool with a staple length of 8 to 10 centimetres (3.1 to 3.9 in). [3]
such wool product is the fine (dehaired) undercoat fibers produced by a cashmere goat (Capra hircus laniger); the average diameter of the fiber of such wool product does not exceed 19 microns; and; such wool product does not contain more than 3 percent (by weight) of cashmere fibers with average diameters that exceed 30 microns.
Mineral wool is also known as mineral cotton, mineral fiber, man-made mineral fiber (MMMF), and man-made vitreous fiber (MMVF). Specific mineral wool products are stone wool and slag wool. Europe [who?] also includes glass wool which, together with ceramic fiber, are entirely artificial fibers that can be made into different shapes and are ...