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Dyestuff & Pigment

Direct Blue 15
Name:

Direct Blue 15

No.: DP-055



GENERAL INFORMATION

• HS CODE

3204140000

• CAS NO

2429-74-5

• GRADE

Technical Grade

• FORMULA

C34H24N6Na4O16S4

• MOLECULAR WEIGHT

992.81

 

PROPERTIES

• Appearance

Blue powder

• Solubility

Soluble in water , solubility (850℃) 60g/L. Insoluble in organic solvent

• Stability

Stable under normal temperature

 

SPECIFICATIONS

• Tue

Similar to the standard

• Intensity

To standard 100 ± 3

• Moisture

≤8%

• Water insoluble substances

≤0.8%

• Fineness (through 80 mesh sieve residue content)

≤5%

 

APPLICATION

• Mainly used for cotton, viscose and cellulose fiber fabric dyeing, high dyeing rate, but poor migrating and levelness, add salt in batches to control dyeing rate. Can print directly and discharge printing on cotton and viscose fabrics, as well as mix with direct Green B, purplish red GB, dark brown M and copper flower R. Can also be used in silk and rayon / cotton blended fabric dyeing, better white effect on silk fabrics. Can be used for other aspects of pulp, biological staining, and film negatives coloring, but also for the production of ink.

 

PACKING

• 35kg/drum

 

STORAGE AND TRANSPORTATION

• Store in dry and ventilated place, avoid direct sunshine, moisture and heat. Handle carefully during transportation.

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