Almost all the early slub denim fabrics used ring-spun slub yarn. Because it is easy to form a denser embellishment effect on the cloth surface, and the meridian bamboo joints are the main ones. With the development of market consumer demand, especially the two-way slub denim products with zonal elasticity. For some varieties, as long as the organizational structure is well designed, a single variety of ring-spun yarn can be used in the warp direction. Slub yarn with a proper proportion in the weft direction can also achieve the effect of warp and weft bidirectional slub denim.
With the development and application of new process equipment such as ring spinning. The shortcomings of coarse yarns such as short spinning length and low production efficiency have been solved. The situation in which denim yarns are replaced by airflow yarns is rapidly changing. Ring-spun yarn is making a comeback. Because ring spun yarn denim has some properties better than airflow yarn. For example, feel, drape, tear strength, etc. At the same time, because people return to nature psychologically, they pursue the influence of the original cowboy style. The more important reason is that the ring-spun yarn denim garments are processed by grinding and washing. Afterwards, the surface will show a hazy bamboo-like style. It is in line with the individual needs of today’s denim. The ring-spindle sluices can be spun into shorter and denser sluices. It also promoted the development momentum of ring denim.