Product: Direct Blue 6, Direct Blue 2B
Keep on supplying high performance direct dyes around 20 years with guarantee of Quality and Credit
Applications: Dark blue powder. Soluble in water for blue to navy solution, slightly soluble in ethanol and soluble fiber element, insoluble in other organic solvents. The strong sulfuric acid for colourful blue, diluted purple to red light for blue. The dye solution to join strong hydrochloric acid for navy, precipitation; Add thick sodium hydroxide solution for dark purple, have precipitation. Cellulose fiber of dyeing, the dye well after sex is good, the temperature in the 60 ~ 80 ºC maximum when affinity. Discharge the gender is good. Dyeing meet copper, iron ions are colored red. Mainly used for cotton, such as glue the cellulose fibre, silk and their blended fabric, pulp and biological dyeing.
| Standard |
Acid Resistance |
Alkali Resistance |
Light Fastness |
Soaping |
Water |
| Fading |
Stain |
Fading |
Stain |
| ISO |
4-5 |
3 |
1-2 |
1-2 |
|
1 |
|
| AATCC |
5 |
2 |
1 |
1-2 |
|
1 |
Audited Supplier 
Audited Supplier 
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