Direct blue 15 belongs to Non-metal azo group of Direct Dyes

 

Direct blue 15 is also known by following names:

 

1.      Kayaku Direct Sky Blue 5B

2.      Naphtamine Blue 10G

3.      NCI C61290

4.      Niagara Blue 4B

5.      Nippon Direct Sky Blue

6.      Atlantic Sky Blue A

7.      Atul Direct Sky Blue

8.      Aizen Direct Sky Blue 5B

9.      Benzanil Sky Blue

10.   Cartasol Blue 2GF

11.   Chrome Leather Pure Blue

12.   Diacotton Sky Blue 5B

13.   Diamine Sky Bl

 

 

Application Details: Used on silk, wool, viscose, leather, paper, cellulose fibres.

 

Physical Properties:

Appearance:  Deep purple to dark blue microcrystalline powder

 

Chemical Properties:

Solubility                       : 80 gpl. /30 seconds

Light Fastness             : 1

Washing Fastness     : 2-3

Highest strength of crude: 125%

Discharge ability        : Good

 

Effluent:

Volume                         : 11ltr/kg of crude during synthesis

pH                                : 6.5 -7.5

Color                            : Reddish Blue

TDS                               : 17%

COD                              : 7000 -10000 mg/ltr

 

Vessel and machinery requirements:

MSRLBL: Closed type with bottom dish end for SYNTHESIS

MSRLBL

Filter press and Boiler

Temperature variance: from 0 deg c up to 80 deg c

 

Risk Factor:

Refer to guideline provided along with the manufacturing process.

 

Duration of Completion  : 30 hrs.

Last revised on                : August 2011

Accuracy                           : 98%