Properties of Reactive dyes

[Tanvir Ahmed Chowdhury]

1.   Water Soluble dyes.
2.   Makes covalent bonds with the fibers.
3.   A certain amount of dye is hydrolyzed during dyeing (10-60%)
4.   Dyeing is carried out in alkaline condition (PH = 11.5).
5.   Huge electrolyte is necessary for dyeing with reactive dyes.
6.   Fastness (wash, light, Rubbing, perspiration) properties are generally good.
7.   Easy applicable to cellulosic as well as protein fibers. (Wool & Silk)
8.   Very popular and wide used in the wet processing industry in Bangladesh.
9.   Comparatively cheap.
10.   All kinds of shade are found.
11.   Dyeing method is easy.