Vat Black 29 Vat Grey BG
Dynathrene is our brand of Vat dyes which offer excellent fastness to washing, light and bleaching for cellulosic fiber.
Vat Black 29 Vat Grey BG
1. Molecular formula: C64H34N4O8 |
2. Molecular weight:986.98 |
3. Structure formula: |
4. CAS NO.:6049-19-0 |
5. Appearance: Blackpowder |
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 29 Vat Grey BG
Properties and Applications:
blue light grey to navy blue. Black powder. Insoluble in water. In concentrated sulfuric acid for variegated dark green, dilution after dark green precipitation. Alkaline reduction leuco for bordeaux red; Acid reduction leuco for yellow brown. Mainly used for cotton fabric dyeing, suitable for suspension pad dyeing light gray and polyester/cotton blended fabric two bath process, a few used for cotton direct printing. Also applies to silk, viscose, cotton / viscose, Victoria / cotton blended fabric dyeing, mixed colors good.
| Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
| Fading | Stain | ||||||
| ISO | 4 | 4 | 6 | 3-4 | 4-5 | 4-5 | 5 |
Vat Black 29 Vat Grey BG