Product Name : Direct Fast Black G
C.I.: Direct Black 19 (35255)
CAS: 6428-31-5
Molecular Formula: C34H27N13Na2O7S2
Molecular Weight: 839.77
Properties and Applications of Direct Fast Black G : Black powder. Soluble in water, slightly soluble in ethanol and acetone. It is mainly used for dyeing and direct printing of cotton, viscose fiber, silk, wool and blended fabrics.
Color fastness:
|
Standard |
Acid Resistance |
Alkali Resistance |
Light Fastness |
Soaping |
Water |
||
|
Fading |
Stain |
Fading |
Stain |
||||
|
ISO |
4 |
3 |
3-4 |
2 |
- |
2 |
- |
|
AATCC |
4-5 |
3 |
3 |
2-3 |
- |
2 |
- |
Post time: Oct-21-2022
