Dyeing of cotton yarn with reactive dyes at package form
There are many forms of yarn dyeing.
Common forms are the at package form and the at hanks form. Cotton yarns
are mostly dyed at package form, and acrylic or wool yarn are dyed at
hank form. In the continuous filament industry, polyester or polyamide
yarns are always dyed at package form, while viscose rayon yarns are
partly dyed at hank form because of technology.
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| Dyeing of cotton yarn with reactive dyes at package form |
The common dyeing process of cotton yarn with reactive dyes at package form is as follows:
- The raw yarn is wound on a spring tube to achieve a package suitable for dye penetration.
- These softened packages are loaded on a dyeing carrier’s spindle one on another.
- The packages are pressed up to a desired height to achieve suitable density of packing.
- The carrier is loaded on the dyeing machine and the yarn is dyed.
- After dyeing, the packages are unloaded from the carrier into a trolly.
- Now the trolly is taken to hydro extractor where water is removed.
- The packages are hydro extracted to remove the maximum amount of water leaving the desired color into raw yarn.
- The packages are then dried to achieve the final dyed package.
After this process, the dyed yarn packages are packed and delivered.
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