Wool fiber - Definition of Wool fiber

Wool Fiber 1 Nazmul Ehsan ,Southeast University Wool Wool is a natural highly crimped protein hair fiber derived from sheep. The fineness and the structure and properties of the wool will depend on the variety of sheep from which it was derived. Major varieties of wool come from Merino, Lincoln, Leicester, Sussex, Cheviot, and other breeds of sheep. World wool production: Clean 2007 (% share) Namul Ehsan,Lecturer,Southeast University 3 World fibre production: 2007 (% share) Namul Ehsan,Lecturer,Southeas t University 4 Virgin wool consumption at retail stage 2007 Namul Ehsan,Lecturer,Southeast University 5 Wool Texture 6 Nazmul Ehsan,Southeast University 7 Nazmul Ehsan,Southeast University 8 Nazmul Ehsan, Southeast University Wool polymer  Wool fibers are extremely complex, highly crosslinked keratin proteins made up of over 17 different amino acids. The amino acid content and sequence in wool varies with variety of wool. The wool protein chains are joined periodically through the disulfide crosslinked cystine, a diamino acid that is contained within two adjacent chains. About 40% of the protein chains spiral upon themselves and internally hydrogen bond to form an a-helix. 9 Nazmul Ehsan ,Southeast University Wool polymer 10 Nazmul Ehsan, Southeast University [...]... Southeast University Nazmul Ehsan, Southeast University Wool bale  A wool bale is a standard sized and weighted pack of graded and sorted wool compressed by the mechanical means of a wool press Nazmul Ehsan, Southeast University Wool bale  Wool bale Wool bales at Devon & Cornwall Wools Ltd, South Molton, Devon, England Each bale contains 330 Kg of graded wool (approx 110 fleeces), wrapped in plastic and.. .Wool polymer in alpha helix Nazmul Ehsan, Southeast Shearing  Sheep shearing, shearing or clipping is the process by which the woollen fleece of a sheep is cut off The person who removes the sheep's wool is called a shearer Typically each adult sheep is shorn once each year Nazmul Ehsan, Southeast University . Wool Fiber 1 Nazmul Ehsan ,Southeast University Wool Wool is a natural highly crimped protein hair fiber derived from sheep. The fineness and the structure and properties of the wool. University Wool bale  A wool bale is a standard sized and weighted pack of graded and sorted wool compressed by the mechanical means of a wool press. 15 Nazmul Ehsan, Southeast University Wool. University Wool polymer  Wool fibers are extremely complex, highly crosslinked keratin proteins made up of over 17 different amino acids. The amino acid content and sequence in wool varies