Dispo Dye Chem Pvt. Ltd. with its expertise in the manufacturing of quality dye intermediates has also entered into the production of selected dyestuffs for dying of Wool, Silk, Polyamide and Leather.
These dyestuffs are selected, to suit the application of the dyes to the substrates mentioned above, from the various dyestuffs classes such as :
1. Acid Dyes
2. Acid Milling Dyes
3. Acid TPM / AQ Dyes
4. Acid 1:1 Metal Complex Dyes
5. Acid 1:2 Metal Complex Dyes
6. Acid Brown For Leathers
7. Mordant Chrome Dyes
We give below the dye bath ph & dyeing auxiliaries for individual class of dyestuffs 1. Acid Dyes :
This type of dye require stronger dyeing conditions (i.e. ph 2.5-3). The dye bath is set with:
10-20% Glaber's Salt
X% Conc. Sulphuric Acid (ph 2.5-3)
This class of dye stuffs gives excellent levelling and migration properties, therefore little dyeing control required. Some dyes in this class are dyed at ph 3.5-4.