{"id":5068,"date":"2024-04-25T15:59:08","date_gmt":"2024-04-25T07:59:08","guid":{"rendered":"https:\/\/www.textile-fabric.com\/archives\/5068"},"modified":"2024-04-25T15:59:08","modified_gmt":"2024-04-25T07:59:08","slug":"popular-science-what-do-the-three-threads-in-cotton-yarn-mean","status":"publish","type":"post","link":"https:\/\/www.textile-fabric.com\/?p=5068","title":{"rendered":"Popular Science | What do the \u201cthree threads\u201d in cotton yarn mean?"},"content":{"rendered":"
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What are the three threads in cotton yarn?<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n

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The “three fibers” of cotton refer to non-cotton fibers and colored fibers mixed into raw cotton that have a serious impact on the quality of cotton and its products, such as chemical fibers, hemp silk, plastic films, plastic filaments, cords, and cloth. Blocks, pieces of paper, and hair and down from animals such as humans, dogs, rats, chickens, ducks, etc. <\/p>\n

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Why does cotton yarn have three threads? At present, in the process of selling and using cotton yarn, the problem of three yarns has become a headache for everyone. 90% of the amount of three-filament yarn in cotton yarn is determined by cotton, and the amount of three-filament yarn in cotton is determined by the picking method of cotton. Machine-picked cotton can be wrapped with three-filament yarn, while hand-picked cotton is packed with cotton. Pockets, hair and some man-made impurities cause more three threads in cotton. <\/p>\n<\/section>\n<\/section>\n<\/section>\n


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The dangers of three wires<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n

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1. “Three yarns” lead to defective yarns and fabrics, which greatly reduce the quality of cotton yarns and cotton fabrics<\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n

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After the “three silks” are mixed into raw cotton, they change from long and large particles into short and small particles through the ginning process. These particles are then transformed into finer and finer particles through the spinning process. If raw cotton containing “three-filament particles” is used for spinning and weaving, the yarns spun and the cloths woven are prone to defects. During spinning, defects are wrapped in the lines or attached to the yarn, resulting in uneven evenness, increased end breakage rate, increased neps and impurity particles in the cotton yarn, reduced yarn strength and printing and dyeing effects, and reduced yarn and textile quality. Quality, cotton yarn and cotton cloth downgrading rates are still rising.
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2. The additional cost of selecting “three yarns” in the textile industry has increased significantly, but the effect is not ideal<\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n

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In order to reduce the “three wires” caused As the quality of gauze decreases, cotton spinning companies have to organize dedicated personnel to open the cotton bales one by one before feeding the cotton, tear and loosen the cotton bales one by one, and select the cotton bales one by one. They also clean the cotton bales at any time during each spinning process. As a result, costs have increased significantly, and the selection effect is still unsatisfactory. The downgrade rate of gauze is still rising, and user refunds occur from time to time, which has become a major obstacle to the export of textiles and clothing. It is understood that a medium-sized cotton spinning enterprise employs 300 to 400 workers every day and needs to pay 2 to 3 million yuan in salary every year. For example, in a cotton textile enterprise, the salary for picking lint is 0.45 yuan per kilogram, and the picking fee is 450 yuan per ton. This alone adds an additional cost of more than 2.7 million yuan every year. Although the spinning mill has spent a lot of manpower and financial resources, the effect is not ideal. Manually picking the “three yarns” is like finding a needle in a haystack, and the missed “three yarns” still exist. <\/p>\n

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Is the cotton yarn wrapped with three threads? <\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n

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Understanding cotton<\/section>\n
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That is, you need to know the origin of the cotton, because cotton from different origins contains different three threads of. <\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n

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Three-thread-wrapped cotton<\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n

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Australian cotton: Machine picking basically eliminates the three-strand problem. <\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n

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US cotton, Brazilian cotton: machine picked, but packaged The situation of Sansi is slightly worse than that of Australian cotton. <\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n

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Xinjiang cotton: divided into machine picking and manual picking, that is, some cotton can be wrapped with three threads. The cotton that can wrap three threads is the machine-picked cotton of the First Agricultural Division. <\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n

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Cotton not wrapped with three threads<\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n

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Indian cotton, West African cotton, Pakistani cotton, they are all The cotton is picked manually. Although the spinning is equipped with a foreign fiber picking device, it does not fundamentally solve the problem of three-filament yarn, so it does not contain three-filament yarn. <\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n

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02<\/section>\n<\/section>\n

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Understanding Yarn<\/section>\n
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Although some countries and regions also export spinning yarn, they do not produce cotton.\ufffdRelying on imported cotton, the amount of three-strand silk depends on the origin of the cotton. <\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n

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Indonesian yarn: mainly uses West African cotton and Indian cotton, and does not include three yarns. <\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n


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Vietnamese yarn: Mainly using American cotton, West African cotton, and Indian cotton. When using Vietnamese yarn, you must understand the source of the cotton. <\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n

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Taiwanese yarn: The cotton used in open-end spinning yarn is mainly raw cotton and green dust, recycled silk, noil, and scraps. Therefore, whether open-end spinning yarn can wrap three yarns depends not only on the quality of the cotton. The place of origin also depends on the scraps of cotton from that place of origin. For example: some of the open-end yarns produced in Taiwan can be wrapped with three filaments, while some yarns can only be wrapped with less than three filaments but not wrapped. <\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n


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In addition, the cotton used in open-end spinning is mainly raw cotton and scraps (noil + recycled silk), so whether open-end spinning can wrap three yarns depends not only on the origin of the cotton, but also Look at the scraps of cotton from that place of origin. For example: the raw cotton of open-end spinning yarn produced in Taiwan is American cotton. However, due to the different sources of scraps, some yarns can be wrapped with three filaments, while some yarns can only be wrapped with less than three filaments but not wrapped. <\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n

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Look for yarn and silk Me<\/p>\n

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