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Acid Blue 72

TRADE NAME:
Acid Blue EGL

CAS NO: 12219-17-9

Acid Blue 72 Physical and Chemical properties

 

Leveling(grade)

Displacement

Whitening

Solubility(g/L)

Metal ion effect(grade)

copper

iron

chromium

5

B

bad

40(90℃)

D

Colour Fastness Test

Test Methods

fiber

Alkali resistance

Carbonization

potting

Alkali fluff

Acid fluff

soaping

Perspiration

Sun exposure

discolor

Staining

discolor

Staining

discolor

Staining

ISO

wool

4~5

4~5

5

1

1

4

4

2

3~4

4

5~6

NylosanBlueE—GL Color fastness on nylon (grade)

Fixing situation

soaping (60℃)

Alkali perspiration

Flooding

Sun exposure

discolor

Nylon stain

Cotton stain

discolor

Nylon stain

Cotton stain

discolor

Nylon stain

Cotton stain

Unfixed

4

4

5

4~5

3~4

4~5

5

4

4~5

6

Fixing

4~5

5

5

5

5

5

5

5

5

It is soluble in water and ethanol is purple. It is golden yellow to golden orange in concentrated sulfuric acid, and turns into pale green after dilution. Adding sodium hydroxide to the aqueous solution has a purple precipitate.

 

Acid Blue 72 Application:

Used for silk, acrylic, tannin mordant dyeing cotton dyeing, also can be used for leather, paper, hemp and glue directly printing and dyeing, the discharge printing. Can also be used in oil and fat, paint color, also can be used in the preparation of color which used in ink.

Acid Blue 72 Use condition

1. Mainly used for dyeing nylon, it is one of nylon special dyes; it can also be used for dyeing and direct printing of wool, silk and its blends.

2. Nylon dyeing: It is carried out in a weakly acidic or neutral bath. The leveling property and the width of the horizontal strip are good. The lightness of the light medium color is better, the darkness of the wet processing is not good, and it is suitable for dyeing the light color. The wet treatment fastness can be improved by fixing the tannin after dyeing.

3. Wool dyeing: It can be carried out in a strong acid or weak acid bath, and Yuanming powder can be used as a retarding agent.

4. Blending of the blended fabric: When the wool is dyed in the same bath as the various fibers, the silk is heavily stained and the cellulose fibers are slightly stained.

 

Packing:

20 or 25kg/compound bag, carton box, iron drum, fiber durm for powder dye and 1000kg/tank for liquid dye

Acid Blue 72 Material Safety Data Sheet (MSDS)

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