Ramie yarn
Good finish, high breaking strength, low elongation at break, good moisture absorption and dissipation, and water-absorbing expansion. It has high stiffness, lots of hair, and difficulty in weaving. The fabric is itchy, easy to wrinkle, and has poor wear resistance. (2) Varieties and uses of ramie spinning yarn According to the process route of ramie spinning, ramie spinning yarn can be divided into three categories: long linen yarn, short linen yarn and small long linen yarn; according to raw materials, it can be divided into pure linen yarn and blended chemical fiber fabric yarn; The uses include yarn for woven fabrics, yarn for knitted fabrics, and yarn for special products. 1. Pure ramie yarn 1. Pure ramie yarn refers to spun yarn spun from finely dried hemp. The current domestic production level can be spun with a thread density of 8.3-333.3tex (3-120 tex). The bulk product varieties are high special yarn (thick special yarn) 105.3-133.3tex (7.5-9.5 metric yarn), medium special yarn (Chinese yarn) 27.8-33.3tex (30-36 metric count) ), this type of product has a large output, and the low special yarn (fine count yarn) is 16.7-20.8tex (48-60 tex). High-tech yarn is often used as ramie sewing thread and hose yarn. Medium-specific yarns are often used as work clothes, decorative fabrics, knitted products, wire needle base fabrics, belt rulers and other casual yarns, while low-specific yarns are mostly used as work clothes, decoration and use yarns. Extra fine yarn requires less and is generally used for handkerchiefs and other yarns. 2. Blended chemical fiber fabric yarn refers to spun yarn spun from finely dried linen and other fiber raw materials (cotton, wool, silk, chemical fiber, etc.) with different blended chemical fiber fabric ratios and different finishing methods. Blended chemical fiber fabric yarn can make the fiber performance better. It can not only improve the spinnability and evenness of the spun yarn, but also expand the product variety, which is an effective measure to give full play to the fiber performance. The varieties currently produced include cotton/linen yarn, polyester/linen yarn, nitrile/linen yarn, wool/linen yarn, silk/linen yarn, etc. Long linen blended chemical fiber fabric yarns are mainly polyester/linen, followed by wool/linen, polyester/wool/linen, nitrile/linen and silk/linen. Short linen blended chemical fiber fabric yarns are mainly linen/cotton, and there are also a small amount of other blended chemical fiber fabric yarns. Medium-length linen yarn is mainly polyester/linen. The range of fine yarn density that can be produced at present is the same as that of long linen yarn. The fine yarn can be spun into 8.33tex (120 metric). Blended chemical fiber fabric yarn is commonly used to produce workwear, decorative fabrics and knitted products, and is rarely used for Special industrial and agricultural products.
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