Detailed C.I. Sulphur Black 1(53185) Description:
Properties: bright black flake or crystals, insoluble in water and alcohol, it is green-black color when soluble in solution of sodium sulfide. Specifications: 1)Appearance: bright-black flake or crystals ; 2)Hue: approximate to that of the standard sample ; 3)Strength: 100% as the standard product ; 4)Moisture: <0.3% ; 5)Insoluble matters when in the solution of sodium sulfide: < 0.3% ; 6)Free sulfur content: <0.5%. Uses: mainly used dyeing cotton, also used dyeing on cambric, viscose and vinylon.
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