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Wool before processing Unshorn Merino sheep Shorn sheep. Wool is the textile fiber obtained from sheep and other mammals, especially goats, rabbits, and camelids. [1] The term may also refer to inorganic materials, such as mineral wool and glass wool, that have some properties similar to animal wool.
Mineral wool is any fibrous material formed by spinning or drawing molten mineral or rock materials such as slag and ceramics. [ 1 ] Applications of mineral wool include thermal insulation (as both structural insulation and pipe insulation ), filtration , soundproofing , and hydroponic growth medium.
Natural fibers or natural fibres (see spelling differences) are fibers that are produced by geological processes, or from the bodies of plants or animals. [1] They can be used as a component of composite materials, where the orientation of fibers impacts the properties. [2] Natural fibers can also be matted into sheets to make paper or felt. [3 ...
Unusual fibers such as Angora wool from rabbits and Chiengora from dogs also exist, but are rarely used for mass production. 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 ...
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. the average fiber diameter may be subject to a coefficient of variation around the mean that shall not exceed 24 percent. [10]
Lyocell may be blended with a variety of other fibers such as silk, cotton, rayon, polyester, linen, nylon, and wool. When mixed with other fibers, the resulting fabric is much stronger and more resistant to wear, tear, and pilling. [22] Lyocell also is used in conveyor belts, specialty papers, and medical dressings. [23]
Excelsior, or wood wool. Wood wool, known primarily as excelsior in North America, is a product made of wood slivers cut from logs. It is mainly used in packaging, for cooling pads in home evaporative cooling systems known as swamp coolers, for erosion control mats, and as a raw material for the production of other products such as bonded wood wool boards.
Glass wool is an insulating material made from glass fiber arranged using a binder into a texture similar to wool. The process traps many small pockets of air between the glass, and these small air pockets result in high thermal insulation properties. Glass wool is produced in rolls or in slabs, with different thermal and mechanical properties.