Exhaust Dyeing

In exhaust dyeing (discontinuous dyeing) the dyes are getting dissolved or dispersed in water. Depending on their affinity towards the fibre supporting chemicals and auxiliaries are being used in the liquor
(= water with dyes, chemicals and auxiliaries).

During a defined time & temperature program and movement of material or liquor the dyeing performed, adding dyes, chemicals and auxiliaries at their individual process step.

The dye is exhausting onto the fibre and will be fixed during further Step. Any residual dye is removed during rinsing and after-treatment. Target is to achieve the fastness wanted.