Vat Black 8 | 2278-50-4
International Equivalents:
| Grey M | Novatic Grey M |
| Mikethrene Grey M | Dycosthren Grey M |
| Indanthren Grey M | Hibeithrene Grey M |
Product physical properties:
| Product Name |
Vat Black 8 |
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| Specification |
Value |
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| Appearance |
Black Powder |
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|
General properties |
Dyeing method |
KN |
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| Dyeing Depth (g/L) |
40 |
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| Light(xenon) |
7 |
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| Water spotting(immediately) |
2-3R |
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| Level-dyeing property |
Good |
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|
Light&Perspiration |
Alkalinity |
4-5 |
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| Acidity |
4-5 |
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|
Fastness properties |
Washing |
CH |
3-4 |
|
|
CO |
4-5 |
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|
VI |
4-5 |
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|
Perspiration |
Acidity |
CH |
4 |
|
|
CO |
4-5 |
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|
WO |
4-5 |
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|
Alkalinity |
CH |
4 |
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|
CO |
4-5 |
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|
WO |
4-5 |
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|
Rubbing |
Dry |
4-5 |
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|
Wet |
3-4 |
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| Hot pressing |
200℃ |
CH |
3-4 |
|
|
Hypochlorite |
CH |
4R |
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Superiority:
Insoluble in water, acetone, ethanol, chloroform, toluene, slightly soluble in o-chlorophenol and pyridine. It appears yellowish green in concentrated sulfuric acid, and produces black precipitate after dilution. It appears blue-green in alkaline solution of insurance Powder and red-brown in acidic solution. Used for dyeing cotton fibers and printing cotton fabrics, with Good affinity. Also used for dyeing silk, viscose fiber, and cotton.
Application:
Vat black 8 is used in the dyeing cotton fiber and printing cotton cloth, also used for dyeing silk, viscose fiber and cotton.
Package: 25 kgs/bag or as you request.
Storage: Store at a ventilated, dry place.
Execution Standards: International Standard.
