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Wool classing

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Wool classing is the production of uniform, predictable, low-risk lines of wool, carried out by examining the characteristics of the wool in its raw state and classing (grading) it accordingly. Wool classing is done by a wool classer. Basis for classificationSome of the qualities a wool classer examines when classing wool are: Breed of the sheep: Shedding breeds will increase the risk of medullated or pigmented fibers. Any sheep likely to have dark fibers should be shorn last to avoid contamination.

Wool measurementWool measurementA micron (micrometre) is the measurement used to express the diameter of wool fibre. Fine wool fibers have a low micron value. Fibre diameter is the most important characteristic of wool in determining its value.YarnYarnYarn is a long continuous length of interlocked fibres, used in sewing, crocheting, knitting, weaving, embroidery, ropemaking, and the production of textiles. Thread is a type of yarn intended for sewing by hand or machine. Modern manufactured sewing threads may be finished with wax or other lubricants to withstand the stresses involved in sewing. Embroidery threads are yarns specifically designed for needlework.SheepSheepSpecies of domesticated mammalSheep (pl.: sheep) or domestic sheep (Ovis aries) are a domesticated ruminant mammal typically kept as livestock. Although the term sheep can apply to other species in the genus Ovis, in everyday usage it almost always refers to domesticated sheep. Like all ruminants, sheep are members of the order Artiodactyla, the even-toed ungulates. There are around 1.2 billion domestic sheep as of 2019, making them easily the most common species of sheep.FiberFiberFiber (spelled fibre in British English; from Latin: fibra) is a natural or artificial substance that is significantly longer than it is wide. Fibers are often used in the manufacture of other materials. The strongest engineering materials often incorporate fibers, for example carbon fiber and ultra-high-molecular-weight polyethylene.ColorColorColor (or colour in Commonwealth English) is the visual perception produced by the activation of the different types of cone cells in the eye caused by light. Though color is not an inherent property of matter, color perception is related to an object's light absorption, emission, reflection and transmission. For most humans, visible wavelengths of light are the ones perceived in the visible light spectrum, with three types of cone cells (trichromacy).CarpetCarpetA carpet or rug is a textilefloor covering that typically consists of an upper layer of pile attached to a backing. In Europe, the pile was traditionally made of wool, but since the 20th century, synthetic fibres such as polypropylene, nylon, and polyester have been used as less expensive alternatives. The pile often consists of twisted tufts that are heat-treated to maintain their structure.FeltFeltFelt is a textile that is produced by matting, condensing, and pressing fibers together. Felt can be made of natural fibers such as wool or animal fur, or from synthetic fibers such as petroleum-based acrylic or acrylonitrile or wood pulp–based rayon. Blended fibers are also common. Natural fiber felt has special properties that allow it to be used for a wide variety of purposes.WoolWoolWool is the textile fiber obtained from sheep and other mammals, especially goats, rabbits, and camelids. The term may also refer to inorganic materials, such as mineral wool and glass wool, that have some properties similar to animal wool. Wool is an animal fiber and consists of protein together with a small percentage of lipids.DyeDyeDyes made at De Kat, ZaandamA dye is a colored substance that is soluble in some solvent; by contrast pigments are insoluble or nearly so in all solvents. Because of their solubility, dyes can chemically bind to the material they color. Dye is generally applied in an aqueous solution and may require a mordant to improve the fastness of the dye on the fiber.AustralasiaAustralasiaAustralasia is a geographical subregion of Oceania with ambiguous extents. The term is used in a number of different contexts, including geopolitically, physiogeographically, philologically, and ecologically, where the term covers several slightly different but related regions. Depending on the definition used, it may also include insular parts of Asia. Australasia always includes Australia and New Zealand, and often also includes New Guinea.Bradford CountThe Bradford Count, also known as the Bradford System, English Worsted Yarn Count System or Spinning Count, is a traditional British method of assessing the fineness or fibre diameter of wool. It is named after the city of Bradford in West Yorkshire.

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