Science of Denim

In final finishing, with its great range of desired and undesired effects, the task of a textile finisher can become demanding has to consider the compatibility of the different type of finishing products and treatment, in particular their mutual influence on the desired effects. With about different type of finishes and several finishing agents, most of which are combined to give one-bath multipurpose finishes. Chemical finishing need a solid basis of textile chemical knowledge and technical understanding as well as some practical experience. The term finishing, in a broad sense covers all the processes which the fabric undergoes after leaving the loom or the knitting machine to the stage at which it enters the market. This the term also includes bleaching, dyeing, mercerizing etc. but normally the term in restricted to the final stage in the sequence of treatment of woven fabrics after bleaching and dyeing. However fabrics which are neither bleached nor dyed are also finis

What is Denim:  Denim  is a sturdy cotton warp faced textile in which the weft passes under two or more warp threads. This twill weaving produces a diagonal ribbing that distinguishes it from Cotton duck.  The most common denim is indigo denim in which threads are dyed while the weft thread is left white. As are the result of the warp faced twill weaving one side of the textile is dominated by the blue warp threads and other side is dominated by the White weft threads. This causes blue jeans to be white on the inside. The indigo dyeing process, in which the core of warp threads remains white, creates denims signature fading characteristics. Denim manufacturing using conventional weaving:  The  weaving process  interlace the warp are lengthwise indigo dyed yarn and the filling, which are the natural colored cross wise yarn. The warp threads are in the form of sheet. The weft thread is inserted between two layers of warp sheets by means of a suitable carrier, such as shuttle, projec