DYE BATH SET WITH
- 5-10% Anhydrous Glauber's Salt 2- 4% Sulphuric Acid (96%)
- 5-10% Anhydrous Glauber's Salt 2-4% Formic Acid (85%)
- 5-10% Anhydrous Glauber's Salt 2-4% Glacial Acetic Acid (40%)
Well dissolved dyestuff is added to one of the above mentioned bath (Depending on the chemical nature of the dye) while stirring.
The material is entered at about 50°C after running for five minutes temperature is rised gradually to boile and dyeing continued for 45- 60 mintutes. If required 1-3% Sulphuric Acid is added after 45 minutes to complete the exhaustion.
PROCEDURES
1:1 metal complex dyes : These dyes exhibit good migration properties and have good light fastness and wet fastness properties.
Dye bath : 5 -10% Glauber's Salt, 4-5% Sulphuric Acid
Enter the goods at 60°C and raise temerature of the dye bath to boile dye for 90 minutes. Rines and dry.
1:2 metal complex dye : These dyes have excellent leveling properties, highlight fastness properties and used widely for combination shade because of excellent dyeing behavior.
Dye bath : 1-3% Ammonium Sulphate (pH 6-6.5), 5-10% Glauber's Salt
Enter the goods at 50°C and rise the temperature of the dye bath to boile dye for 45- 60 minutes. Rines and dry.