| Customization: | Available |
|---|---|
| CAS No.: | 1326-82-5 |
| Formula: | C6h4n2o5 |
|
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Sulphur dye name: Sulphur Black
Other name: Sulphur black 1
CAS No.:1326-82-5
Strength: 200%,220%,240%
Appearance:Powder
MF: C6H4N2O5
EINECS No.:215-444-2
Sulphur dye name: Sulphur Black
Other name: Sulphur black 1
CAS No.:1326-82-5
Strength: 200%,220%,240%
Appearance:Powder
MF: C6H4N2O5
EINECS No.:215-444-2
Properties
1. Bright black flake or grain, insoluble in water and alcohol.
2. It is the greenblack colour when it soluble in solution of sodium sulfide.
3. Sulfur dyes are the most commonly used dyes manufactured for cotton in terms of volume.
4. They are cheap, generally have good wash fastness and are easy to apply.
5.The dyes are absorbed by cotton from a bath containing sodium sulfide and are made insoluble.
Pecification Reference
Item |
Index | ||||
| BR 200% | BR 220% | BR 240% | B 200% | ||
| Strength(with the standard ) | 100% | 100% | 100% | 100% | |
| Shade(with the standard ) | Corresponds to standard | ||||
| Moisture ≤% | 5.0 | 5.0 | 5.0 | 6.0 | |
| Watter insoluble ≤% | 0.5 | 0.5 | 0.5 | 0.5 | |
| Na2S ≤% | 0.15 | 0.15 | 0.15 | 0.16 | |
| PH | 8 | 8 | 8 | 8 | |
Application
Used dyeing on cotton, also used dyeing on cambric, viscose and vinylon,etc
Packing:Normally packed in 25kgs fiber drum or iron drum or customized.
25kg plastic woven bag, 20/20'FCL;
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