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DIRECT BLACK EX, direct dye for textile
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| Model No. : | Direct Black 38 |
|---|---|
| Brand Name : | Caiyi |
Hebei Caiyi IMP.& EXP. Trade Co.,Ltd.
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Product description
DIRECT BLACK EX
| PRODUCT NAME | DIRECT BLACK EX |
| C.I.NO. | DIRECT BLACK 38 |
| SYNONYMS: | Benzo Leather Black E;Direct Black BN |
| FORMULA: | C34H25N9Na2O7S2 |
| CAS NO. | 1937-37-7 |
| EC NO | 217-710-3 |
| Molecular Weight: | 781.78 |
| MELTING POINT: | 109-110 °C |
| APPEARANCE: | BLACK CRYSTALLINE POWDER |
| STRENGTH: | 100% |
| SHADE: | SIMILAR TO STANDARD |
| LIGHT FASTNESS: | 3 |
| SOAPING FASTNESS: | 3 |
| WATER RESISITANCE: | 3 |
| RUBBING FASTNESS: | 3 |
| ACID RESISITANCE: | 3-4 |
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