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Model No.: Dynasul Blue BN
Packaging: 25Kgs/Carton
Dynasul | C.I. Sulphur | CAS No. | Characteristics | |
---|---|---|---|---|
Blue BN | Blue 7 | 1327-57-7 | Blue |
Properties and Applications:
red light blue to blue light purple. Royal purple powder. Insoluble in water. In the Sodium sulfide solution solubility is good, for green grey; In concentrated sulfuric acid for blue purple, dilution of dark after precipitation. Dyeing content in alkaline insurance powder for the pale yellow light olive, oxidation, to restore the original colour and lustre. In sodium hypochlorite solution all faded. Mainly used for cotton, hemp, viscose fiber and vinylon/cotton blended fabric dyeing. Also used in cotton direct printing and leather, paper dyeing.
Standard | Acid Resistance | Alkali Resistance | Light Fastness | Fulling | Persperation Fastness | Soaping | |
Moderate | Severe | ||||||
ISO | 4 | 4-5 | 4-5 | 3-4(Alkali) | 4-5 | 4 | 3 |
AATCC | 5 | 5 | 5-6 | 4 | 4-5 |
Product Categories : Dyes > Sulphur Dyes
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