Introduction to the finishing process of denim
The finishing process of denim is the key process to make denim unique style. With the advancement of technology and the development of new additives, denim finishing processing has developed on the basis of traditional technology, from traditional rinsing and stone grinding to cellulase stone grinding finishing and biological polishing. Finishing and non-iron finishing of pure cotton, various functional finishing on denim, giving denim garments water-repellent, flame-retardant, anti-ultraviolet, and health functions, transforming the quality and grade of denim garments to a multi-functional type. High added value and economic benefits.
Denim is clothing that can be worn throughout the year, so how to distinguish different types of denim: First, according to the thickness of the denim, it is divided into 4.5A, 6A, 8A, 10A, 11A, 12A, 13.5A, 14.5 Amp, cloth weight is related to yarn count and fabric warp and weft density. The thicker the yarn, the thicker the cloth and the heavier its weight. Generally can be divided into three categories: light, medium and heavy. Light cloth weighs 200-340 grams/square meter, medium-sized cloth 340-450 grams/square meter, and heavy-duty cloth weighs more than 450 grams.
Colored denim fabrics made by different processing techniques
1. Bark crepe denim woven with high twist weft yarn;
2. When the warp is dyed, first use vulcanized or Haichanglan dyes as a primer and then dye the indigo blue over-dyed denim;
3. Color striped denim with colored warp yarns embedded in indigo blue warp yarns;
4. Hang white or print on the indigo denim.