纤维原料.doc(国外英文资料).doc

纤维原料.doc(国外英文资料) Tex: under the established moisture regain, 1000 grams of textile material is available in length (i.e., one meter in length, in quality, in milligrams). Unit symbol tex, referred to as special. Daniel: under the public moisture regain, 9000 grams of textile materials, long grams of quality, referred to as denier.. It is widely used in the fineness of silk, chemical fiber and so on. Metric count: under the fixed regain, the quality of the textile material is 1 grams, the length of meters. The unit symbol adds Nm to the number, referred to as support. English count: in the moisture regains, 1 pound of yarn length 840 yards multiples, that is to say 1 pound yarn just 840 yards long, 1 yarn, 1 pound yarn length is 21 x 840 yards long, yarn fineness is 21, written as 21s. The count of the imperial system is fixed weight, so the larger the count, the thinner the yarn. Inch count is not a legal index of yarn fineness in our country, but it is still widely used in enterprises, especially cotton textile industry. Chapter 1 textile materials I. cotton fiber 1, varieties: Upland cotton: also called fine cotton, named for the earliest planting in the American continent. It is the largest number of four species of cotton grown in the world, accounting for more than 85% of the total cotton output in the world. Chinas upland cotton cultivation area accounts for more than 98% of the total cotton field, and the same is the vast majority of PUMA COTTON cotton in the United states. Island Cotton: also called long staple cotton, native to the West Indies, and was introduced into North America in the southeast coast of the island plant, named. The recent stir Egyptian cotton, belonged to the island cotton system, through long-term breeding domestication, good quality, high yield, the so-called Swiss cotton is the same principle. Because the cotton fiber length is longer in upland cotton, can be better spinning, yarn yarn evenness is higher, more clear, so the price is