Vat Black 27 Vat Olive R
Dynathrene is our brand of Vat dyes which offer excellent fastness to washing, light and bleaching for cellulosic fiber.
Vat Black 27 Vat Olive R
1. Molecular formula: C42H23N3O6 |
2. Molecular weight:665.65 |
3. Structure formula: |
4. CAS NO.:2379-81-9 |
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 27 Vat Olive R
Properties and Applications:
brown light grey. Black powder. Soluble in 2 – Chlorophenol, slightly soluble in Chloroform and Pyridine , not soluble in Acetone, Etanol, Toluene and Xylene. In concentrated sulfuric acid for red, dilution after flocculent olive green precipitation. Alkaline reduction leuco for red brown; Acid reduction leuco for yellow brown. Mainly used in cotton fiber dyeing, suitable for suspension pad dyeing, also used for cotton yarn of the jig dyeing cotton and the impregnation, rarely used for printing. Can with other VAT dye spell dyed noise. Dyeing silk, affinity and levelness were good, also used for Fiber/cotton blended fabric dyeing.
| Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
| Fading | Stain | ||||||
| ISO | 3 | 4-5 | 7 | 4-5 | 4-5 | 4-5 | 4-5 |
| AATCC | 3 | 4-5 | 7 | 4 | 4-5 | ||
Vat Black 27 Vat Olive R