Application and parameters of Sulphur Blue 5
Acid Resistance |
4 |
Alkali Resistance |
4 |
Light Fastness |
5 |
Fulling |
4 |
Persperation Fastness |
5 |
Soaping(Moderate) |
4-5 |
Soaping(Severe) |
4 |
Sulphur Blue 5 (Sulphur Dark Blue 3R). Insoluble in water. In the Sodium sulfide solution solubility is good, for green light blue; In concentrated sulfuric acid for blue solution, dilution of dark after precipitation
Mainly used for cotton, hemp, viscose fabric dyeing, and can also be used to top and viscose fiber protoplasmic coloring. Sometimes also used in leather and paper dyeing.
20 or 25kg/compound bag, carton box, iron drum, fiber durm for powder dye and 1000kg/tank for liquid dye