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Classification of jeans fabrics
Nov 30, 2018

There are many methods for classifying denim fabrics, which can be classified mainly from raw materials, yarns, weaving, finishing, and appearance.


1. Different classification of raw material components The raw materials of denim fabric can be divided into two categories: pure spinning and blending. Originally based on pure cotton, in order to improve the wearing characteristics of pure cotton denim, add some other chemical fibers such as polyester, acrylic, vinylon, viscose, etc., especially to increase the elasticity of denim and add spandex. Made of stretch denim, it was once popular. In recent years, in order to expand the category and special needs of denim fabrics, wool, cashmere, silk, hemp and other fibers have been used to develop a special non-cotton-based denim fabric with denim style.


2. According to the different spinning methods, the original denim fabrics are all ring-spun cotton. With the continuous improvement of spinning technology, the emergence of various new spinning methods has made the yarns used in denim fabrics more. Single yarn, strands, filaments, or even double strands. There are also a variety of fancy lines for denim fabric decoration and embellishment, enriching the denim fabric category.


3. Different classification by weaving method

The traditional denim fabric is mainly woven, the warp is first dyed into dark blue, and later has the color of sauce, black, etc., and then interlaced with the natural weft to form a single side of "2 up i" or "3 up 1 down". Left or right twill weave, or double-sided left or right twill weave on "2 up 2 down", "3 up 3 down". In order to broaden the variety of denim fabrics, some companies have introduced twill changes, twill joints, and complex structures. In recent years, companies have developed denim fabrics for knitted fabrics and special weaving methods.

 

4. Different sorting methods in the future. Denim clothes are mainly dyed and finished, and a small amount is made after finishing the fabric. There are two main types of finishing after garments, namely physical and chemical methods. The former is polished and sandblasted, and the latter methods are more and more endless. The most basic method of finishing after denim is to wash the water, such as general washing, stone washing / stone grinding, sand washing, damage washing and so on. With the advancement of technology, more and more new washing processes are emerging. Due to the constraints of production conditions, processing costs and regional environmental protection, the scale of washing of denim garments is also greatly limited. Processing will surely become the direction of future development. Nowadays, some denim fabrics go through different physical and chemical finishing such as thread embroidery, dyeing, resin, soft, machine embroidery, hot drilling, glue printing, laser, etc. It is difficult to adapt to different consumer needs with only one kind of washing process. Generally, several crafts are used together. It is required that denim designers must understand the drowning process and integrate them so as to maximize the innovation of denim clothing. . The ever-changing water washing process is also an important reason for the popularity of denim.


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