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Core Yarn And Blend Ratio
Jul 13, 2018

Determination of the number of core yarns

The number of yarns in the core yarn shall be determined by the use of the product. The core yarn for shirts and skirts is usually woven with a single yarn, so the number of yarns should be low, such as 18.8 tex (50s) woven strong underwear, strong socks with 18.45tex (32s); Elastic corduroy with 36.9l-28.12rex (16-21s), woven elastic labor card with 73.82-49.21tex (8-12s); woven rotten fabric with 15.54-10.74tex (38-55s); sewing thread The core yarn is a stranded yarn, so the core yarn used is generally a medium-high branch, such as 13.12 tex (45 s), 11.14 tex (53 s), and the like.


Determination of blending ratio

After the number of cores is selected, the blending ratio can be calculated according to the calculation formula (the calculation formula is abbreviated). For example, the production of 11.8 tex (50s) polyester-cotton core-spun yarn is taken as an example. The actual blending ratio of the finished yarn is: polyester 49.36%, cotton accounted for 50.64%; the calculated data is very close to the actual production. However, when designing the blending ratio of the core-spun yarn of the burnt-out fabric, the proportion of the cotton should be made larger, one is the wearing comfort of the fabric, and the other is to increase the three-dimensional feeling of the pattern after the burnt-out of the fabric, such as 23.62 tex (25s) cotton. The ratio of polyester/polyester blending is: 66.67/33.33; the ratio of cotton/polyester blending of 11.14tex (53s) is: 52.35/47.65. The spandex filament in the elastic core-spun yarn generally has a blending ratio of 15%-20%, which can meet the requirement of elastic elongation of the weft high elastic fabric of 35%, and is also beneficial to improve the strength of the core yarn.


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    GUANGZHOU LIQI TEXTILE TECHNOLOGY CO., LTD

    Add: Room  A-9026, Tianrui Plaza ,No.397 Jianpeng Road,Baiyun District,Guangzhou,China

    TEL.: +86 020 3623 1839 

    Phone & Webchat: +86 13538824646 

    +86 13539482515

    Email: david@liqitextile.com   



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