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Weaner and hogget wool is finer and generally more valuable than the wool from older sheep. Most wool between 11.5 and 24 microns in fibre diameter is made into clothing. The remainder is used for other textiles such as blankets, insulation and furnishings.
The surface of woven fabrics is often roughened with a raising card to create a softer feel, higher volume and greater thermal insulation [11] Vicuña wool is considered the rarest and most expensive legal wool in the world; in 2010, raw wool traded for about 7-15 dollars per ounce. [12] The sorted and spun yarn trades at about $300 per ounce.
Wool straight off a sheep is known as "raw wool", "greasy wool" [8] or "wool in the grease". This wool contains a high level of valuable lanolin , as well as the sheep's dead skin and sweat residue, and generally also contains pesticides and vegetable matter from the animal's environment.
Wool has two qualities that distinguish it from hair or fur: it has scales which overlap like shingles on a roof and it is crimped; in some fleeces the wool fibers have more than 20 bends per inch. Wool varies in diameter from below 17 micrometers to over 35 micrometers. The finer the wool, the softer it will be, while coarser grades are more ...
Shahtoosh is the finest animal wool, followed by vicuña wool. As undomesticated wild animals, the chirus cannot be shorn , so they are killed for this purpose. Due to the severe decline of the chiru population by 90% in the second half of the 20th century, they were internationally classified as a critically endangered species until 2016. [ 1 ]
The spun thread was very uniform and fine. Some iron age fabrics also had patterns of stripes woven in. The finer fabric has been attributed to the development of breeds of sheep with finer wool and less kemp. [50] Other Iron Age fabrics from northwestern Europe have been found on bodies preserved by the anaerobic and acidic conditions of peat ...
Fragile and/or valuable textiles should be handled with care, and as little as necessary in any given circumstance. However, should handling be necessary, there are precautions [16] which can be taken to ensure the safety of the textile. Because human hands contain oils and acids in the skin, clean cloth gloves should be worn when handling ...
Longer (more than 3 in or 76 mm) and finer wool yarns are used in fine worsted materials, and coarser and short-staple yarns (1–3 in or 25–76 mm) produce woolen materials. Worsted fabrics are smoother and more expensive. [19] [20] [21]