| Properties |
Bright---black flake or crystals, insoluble
in water and clcohol, it is the green---black color when
soluble it in solution of sodium sulfide. |
| Usage |
Mainly used dyeing oncotton, also used dyeing
on cambric, viscose and vinylon. |
| Specifications |
 Appearance:
bright---black or crystals. Hue: Approximate to that of
he standard sample. Strength: 100% as the standard product.
Moisture, %: =0.7 Insoluble matters when in the solution
of sodium sulfide,%:=0.5 Free sulfur content,%:=0.5 |
| Packing |
In iron drums of 25kg or 50kg net each
lined with plastic bag. |
| Storage and Transpiration |
It must be store in drying and ventilation
preventing from sunlight directly, moisture or hot. It
is a year to remain it. Must be preventfrom fromsharp
bump to transport it. |
(4) Sulphur Black B 240% , as follows:
The difference between Sulphur Black B 240% and Sulphur
Black B 200% is on Strength. And the appearance of Sulphur
Black B 240% is better than Sulphur Black B 200%.
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The difference between Sulphur Black BR and Sulphur Black
B is on the shade:
Sulphur Black BR is redish
Sulphur Black B is greenish
