GEMU's websites make use of cookies. If you are using the site, this means that you agree to the use of cookies. To implement personal settings, click here

Dosing station for dyeing auxiliaries

Dosing station for dyeing auxiliaries
Indigo belongs to the group known as vat dyes. These dyes are typified by the fact that they do not form a chemical compound with the yarn, instead adhering to its surface as a surrounding pigment. Hydrosulphite (dithionite) is used as an auxiliary material when dying cotton with indigo (e.g. denim). It turns the water-insoluble blue colour indigo into a water soluble light-yellow leucoindigo (indigo white). This process is referred to as vatting.
more Applications

Useful for download

DE
pdf
128 KB
GB
pdf
126 KB