C.I. Sulphur Black 1(53185)
【Properties】
Bright-black flake or grain, insoluble in water and alcohol. It is the green-black colour when it soluble in solution of sodium sulfide.
【Qulity standard】
HG/T3427-2001
| Appearance: | Bright-black flake or grain |
| Shade: | no difference as the standard～micro |
| Strength, score: | 100 as the standard product |
| Moistness, %: | ≤6 |
| Insoluble matters in the solution of sodium sulfide, %: | ≤0.3 |
Fastness of dyes on cotton fabrics:
| Dyeing depth, % | Res- istance Sunlight |
Resistance washing with soap at 95°C | Resistance perspiration | Rubbing | Ironing at 200°C | ||||||||
| acid | alkali | ||||||||||||
| Change | Stain on cotton | Stain on wool | Change | Stain on cotton | Stain on wool | Change | Stain on cotton | Stain on wool | Dry | wet | Change (after 4 hours) | ||
| 6 | 6 | 3-4 | 4 | 4-5 | 4 | 4-5 | 4-5 | 4 | 4-5 | 4-5 | 2-3 | 1-2 | 4 |
Note: 6% (owf) as shallow black dye depth standard.
【Uses】
Mainly used dyeing on cotton, also used dyeing on cambric, viscose and vinylon.
【Starage and transportation】
It must be store in drying and ventilation preventing from sunlight directly, moisture or hot. Must be careful with it and prevent from damaging the packing.
【Packing】
In iron drums of 25kg or 50kg net each lined with plastic bag.