Solubilised Sulphur Blue 2BN
Sulphur Black Sulphur parti-color Medicine intermediates Vat pink R Dye intermediates Others
Details

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C.I. Solubilised Sulphur Blue 7(53441)

【Properties】
It is dark purple when soluble in dense sulphuric acid, and releases sulphur dioxyde, it produces precipitate after diluting; It is blue in sodium hydroxiole solution, It is dark blue in sodium sulfide solution.

【Qulity standard】
Q/141000LRB025-2005

Appearance:
blue purple powder
Spectrometer strength, score (as compared to the standard):
100±5
Strength, score (as compared to the standard):
100±3
Shade (as the starndard):
no difference~micro
Insoluble matters in water, %:
≤0.5
Fineness (residue through the sieve of 250μm), %:
≤5.0
Solubility, g/L(60°C):
≥50
Loss of drying, %:
≤7.0
Fastness of dyes on cotton fabrics:
 

Fastness of dyes on cotton fabrics:

Dyeing depth, %
Res-
istance Sunlight
Resistance washing with soap at 95°C
Resistance water
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
Change
Stain on cotton
Stain on wool
Dry
wet
Change (after 4 hours)
5
4
3
3-4
4
3-4
4-5
4-5
3-4
4-5
4-5
3-4
4-5
4-5
3
1-2
3-4

Note: 5% (owf) 1/1 dyeing depth standard. Used for assessment of leather products are not on the cotton fabric color fastness.

【Uses】
It is used for dyeing on cotton, jute, viscose and leather.

【Starage and transportation】
It must be stored in drying, cool and ventilation. Must be prevent from sharp bump to transport it. Avoid contact with fire, sunlight and rain.

【Packing】
In 25kg net each plastic weave lined with plastic bag.




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