Yarn Dyeing | 3 Types Of Dyeing Method

yarn dyeing

Yarn dyeing refers to dyeing the yarn to a selected color before weaving or knitting. Yarn dyeing can generally obtain a good and firm leveling effect. It can be woven with natural yarn according to different design requirements, so as to obtain higher economic value and shorten the delivery cycle.
Generally speaking, yarn dyeing costs more than fabric dyeing. But because it has the advantage of fast delivery, it is easier to adapt to changes in popular colors. At the same time, it can meet the needs of small batches and multiple varieties. In addition, the yarn dyeing machine is relatively simple. Thus, it is more economical in terms of maintenance.
Yarn dyeing has a history of nearly a thousand years. Hank dyeing has been used for a long time. It was not until 1882 that the world had the first patent for cheese dyeing, and later beam dyeing appeared. This article introduces 3 different yarn dyeing methods and their advantages and disadvantages.

Hank yarn dyeing

Hank dyeing first requires the conversion of spun yarn or filament on a reel into a framed hank. Dip dyeing is then carried out in a hank dyeing machine. This is one of the most expensive dyeing methods.

Advantages of hank dyeing

  1. The hank dyeing equipment is simple and cheap, and can even be carried out with very simple pools. It can also be easily produced by manual methods without the need for power.
  2. When dyeing fluffy yarns or yarns with strong shrinkage, there is a leveling effect and a bulky feel that are difficult to achieve in cheese dyeing.
  3. The dyeing versatility is strong, and it is suitable for dyeing almost all yarns.

Disadvantages of hank yarn dyeing

  1. Hank dyeing requires a lot of loading and unloading processes, so it requires a lot of labor.
  2. The yarn payload is small, and the utilization rate of dyeing and chemical materials is low. Therefore, the production efficiency is low and the consumption of water, electricity and steam is high. This results in high production costs. In addition, environmental pollution is also very serious.
  3. The hank dyeing has an additional yarn shaking process, and the production process is long.
  4. When useing hank dyeing, the yarns are heavily intertwined with each other. In this way, the effect of the cloth surface will be poor due to the large number of joints, and the production efficiency of the subsequent process will be reduced. At the same time, there are many yarn hairiness, which causes the fabric surface to contaminate the fibers with each other, making the fabric surface feel unclean.
Another two yarn dyeing method has been posted on FYITester, those who are interested can visit to check.

 

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