MOHAIR

Angora goat. animal-hair fibre obtained from the Angora goat (see photograph) and a significant so-called specialty hair fibre. The word mohair is derived from the Arabic mukhayyar (goat's hair fabric), which became mockaire in medieval times. Mohair is one of the oldest textile fibres, produced exclusively in Turkey for thousands of years, achieving importance in European textile manufacture during the 19th century. In the mid-1800s herds of common goats in southern Africa and the southwestern United States were upgraded by the importation of Angora sires. The fleece of the Angora goat grows in uniform locks. Annual growth averages about 8 to 12 inches (20 to 30 cm), and the animals are usually clipped twice yearly, each yielding about 5 pounds (2.25 kg) of fleece per clipping. Controlled breeding has eliminated most of the outer protective coat; only a small amount of the undesirable coarse guard hair remains. Fleece produced in the United States may be sold on consignment at local warehouses and then shipped to marketing centres in Boston and Philadelphia or may be purchased directly by mills. Istanbul is the main market for Turkish fleece. Mohair from the African continent is exported chiefly to the United Kingdom. Processinginvolving the removal of natural grease, dirt, and vegetable mattereliminates the brownish colour imparted by impurities. Yields of cleaned fleece range from about 70 to 90 percent of the original weight. Mohair fibre, like wool, is composed chiefly of the protein substance keratin. Fibre structure is similar to that of wool, although the outer layer, or epidermis, has about half the number of scales found in fine wools. Because the scales lie almost flat, with little overlapping, the fibre surface is fairly smooth. The cortex portion, striated throughout its length, often contains air-filled pockets, and less than 1 percent of the fibres have a central canal, or medulla. Mohair fibre is long, lustrous, strong, resilient, and durable. It absorbs and retains moisture much like wool and has good affinity for dyestuffs but is more sensitive to chemicals. It reacts much like wool when subjected to heat, sunlight, moth larvae, and aging. Because of its scale structure, mohair felts less readily than wool. Woven mohair fabrics, frequently in pile form, are used for a variety of garments, including outerwear, summer-weight suits, and dresses, and mohair fibre is also used to manufacture knitted goods and knitting yarns. Mohair is often combined with other fibres, either blended in yarns or serving as either the warp or the filling yarn in woven fabric. It has had extensive use in lining fabrics for shaped garments but has recently received competition from synthetic fibres used for that purpose. Mohair pile upholstery fabric, once popular, is now limited to certain upholstery uses requiring both luxury and durability. The demand for mohair in both apparel and home furnishings varies with changes in fashion. Turkey, the United States, and southern Africa are the largest producers of mohair. Leading consumers are the United Kingdom, The Netherlands, and Belgium.