Vat Black 9
Dynathrene is our brand of Vat dyes which offer excellent fastness to washing, light and bleaching for cellulosic fiber.
Vat Black 9
1. Molecular formula: |
2. Molecular weight: |
3. Structure formula: |
4. CAS NO.:1328-25-2 |
5. Appearance: Black powder |
6. Specification: Strength 100% |
7. Usage: Mainly used in dyeing of cotton and silk. |
8. Packing, storage and transportation: Packed with 25KG cartons, allows to be tansported by the general means. |
Vat Black 9
Properties and Applications:
black. Black powder. In concentrated sulfuric acid to purple, black after diluted. Alkaline reduction leuco for dark; Acid reduction leuco for red light brown. Mainly used in cotton fiber dyeing, suitable for suspension pad dyeing, can with other dye spell dye various grey. The main body of the leuco dye yarn. Also can be used for silk and Fiber/cotton blended dyeing, also used for polyester/cotton and polyester/viscose blended fabric dyed black and dark grey.
| Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
| Fading | Stain | ||||||
| ISO | 5 | 4-5 | 6-7 | 5 | 5 | 4-5 | 4 |
| AATCC | 5 | 4-5 | 6-7 | 4 | 4-5 | ||
Vat Black 9