surphur black

SULPHUR BLACK BR.B **0%

 Sulphur Black 1(**2)

Properties

Bright-black flake or grain, insoluble in water and alcohol. It is the green-black colour when it soluble in solution of sodium sulfide.

Qulity standard  HG/T********1

Appearance:

Bright-black flake or grain

Shade:

no difference as the standard

Strength, score:

**0 as the standard product

Moistness, %:

≤6

Insoluble matters in the solution of sodium sulfide, %:

≤0.3

Fastness of dyes on cotton fabrics:

Dyeing depth, %

Res-

Resistance washing with soap at *5°C

Resistance perspiration

Rubbing

Ironing at **0°C

istance Sunlight

acid

alkali

Change

Stain on cotton

hour

Stain on wool

hour

Change

Stain on cotton

hour

Stain on wool

hour

Change

Stain on cotton

hour

Stain on wool

hour

Dry

wet

Change (after 4 hours)

6

6

**4

4

**5

4

**5

**5

4

**5

**5

**3

**2

4