According to the China Towel Industry Network, long-staple cotton is named for its long fiber, also known as sea-island cotton, which is a cultivated cotton species, Malvaceae cotton. Long-staple cotton has a long growth period and requires a large amount of heat. In the case of the same heat conditions, the growth period of long-staple cotton is 10-15 days longer than that of upland cotton.
International main producing area:
Mainly Egypt, Sudan, the former Soviet Union, the United States, Morocco, etc.
Main producing areas in China:
The eastern part of Hebei Province, the western part of Shandong Province, the Turpan Basin of Xinjiang, the Aksu, Bayin Guotun, and Kashgar in the Tarim Basin.
Features:
Long-staple cotton is of good quality, its fiber is long, generally 33 ~ 39 mm, up to 64 mm; fineness is 7000 ~ 8500 m / g, width 15 ~ 16 microns; high strength, 4 ~ 5 grams Force / root, the length of the break is 33 to 40 kilometers; the number of turns is more, 80 to 120 / cm.
There are some hybrids that use island cotton as the male parent and upland cotton as the female parent. The fiber is longer, but the fineness and strength are not up to the index of sea-island cotton. It is commonly known as terrestrial long-staple cotton.
classification:
Extra long cotton: The fiber length is above 35 mm.
Medium and long-staple cotton: the fiber length is 33-35 mm.
The above is the information provided by the China Towel Industry Network.
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