Solubilised Sulphur Blue

Time:2018-04-06 20:53  Author:admin  Click:

Solubilised Sulphur Blue

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

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.