Vat Black 9 | 1328-25-2
International Equivalents:
| Direct Black RB | Vat Black RB |
| Dycosthren Black RB | Indonon Direct Black RB |
| Mikethrene Direct Black RB | Trianthrene Direct Black RB. |
Product physical properties:
| Product Name |
Vat Black 9 |
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| Specification |
Value |
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| Appearance |
Black Powder |
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| density |
1.56[at 20℃] |
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|
General properties |
Dyeing method |
KN spl |
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| Dyeing Depth (g/L) |
60 |
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| Light(xenon) |
7 |
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| Water spotting(immediately) |
3-4R |
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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 |
4-5 |
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|
CO |
4-5 |
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|
VI |
4 |
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|
Perspiration |
Acidity |
CH |
4-5 |
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|
CO |
4-5 |
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|
WO |
4-5 |
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|
Alkalinity |
CH |
4-5 |
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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 |
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| Hot pressing |
200℃ |
CH |
4 |
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|
Hypochlorite |
CH |
4 |
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Superiority:
black Powder. It turns purple in concentrated sulfuric acid and turns black after dilution. It appears dark blue in alkaline solution of insurance Powder and reddish brown in acidic solution. Used for dyeing cotton fibers, with Good level dyeing and affinity, and can be dyed black directly. Also suitable for printing on cotton. It is also used to dye viscose fiber, silk and cotton fabrics, as well as polyester-cotton and polyester-viscose fabrics to dye black and dark gray, with uniform color.
Application:
Vat black 9 is used in the dyeing of cotton fiber and also suitable for printing of cotton cloth. It is also used for dyeing viscose fiber, silk and dimension cotton fabrics, as well as for dyeing polyester cotton and polyester viscose fabrics in black and dark gray.
Package: 25 kgs/bag or as you request.
Storage: Store at a ventilated, dry place.
Execution Standards: International Standard.
