Denim Development
Denim Development
Denim is a thicker yarn-dyed warp-faced twill cotton fabric. The warp yarns are dark in color, usually indigo blue, and the weft yarns are light in color, usually light gray or scoured white yarn. Also known as indigo labor cloth.
Denim originated in the American West and was named after the cattle ranchers who used it to make clothes. The warp yarn adopts size dyeing combined with one-step dyeing process. The special numbers are 80tex (7-inch count), 58tex (10-inch count), 36tex (16-inch count), etc. The special numbers of weft yarn are 96tex (6-inch count), 58tex (10-inch count). count), 48tex (12 inch count), etc., using 3/1 weave, and also using twill, plain weave or crepe weave denim. The gray fabric has been treated with anti-shrinkage finishing, the shrinkage rate is smaller than that of ordinary fabrics, the texture is tight, thick, and the color is bright. The lines are clear. Suitable for men’s and women’s jeans[1], denim tops, denim vests, denim skirts, etc.
Since the late 1970s, denim has experienced many major developments in my country. The current annual production capacity is estimated to have reached more than 1.5 billion square meters, and it has become an important producer of denim in the world. A large number of more advanced denim and denim clothing companies have basically been in line with international standards in terms of quality and variety, initially reversing the concept that my country’s denim products are “low-end products” in the international market.
Although the development and production of denim products in my country started late, it started at a high level. It has air-jet spinning, automatic winding, ball warp dyeing, and shuttleless looms (the majority are rapiers, followed by projectiles, and then air jets) , heavy-duty pre-shrinking and finishing machines and other advanced equipment, thus creating good conditions for the development of denim varieties and improvement of quality levels. However, for a long time, some equipment with excellent performance and complete functions, such as the rapier loom’s electronic dobby, multi-color, uneven winding, quick change of varieties, and unmanned operation, have not attracted enough attention, resulting in a waste of functions. This situation needs to be solved urgently to better serve the development of varieties, improvement of quality and labor productivity.
Weave specifications of traditional and colorful denim. Denim is made of pure cotton indigo-dyed warp yarn and natural weft yarn, interwoven with a three-up and one-down right twill weave. It can generally be divided into three categories: light, medium, and heavy. Weighing 200-340 grams/square meter (6-10 ounces/square yard), medium-sized cloth weighing 340-450 grams/square meter (10-13 ounces/square yard) heavy-duty cloth weighing more than 450 grams, yarn count thickness; heavy-duty 7×6 , medium 10×10, light 12×12 (English count) or more. The width of the cloth is mostly between 114-152 cm. In addition to the above traditional products, there are also colorful denim;
At present, the more popular varieties of denim at home and abroad are mainly ring-spun denim, warp and weft slub denim, super indigo dyed denim, over-color, mixed-color denim and weft stretch denim, etc. pgtKE29
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