Vat Brown 1(TDS)

Application and parameters of Vat Brown 1

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Vat Brown 1

TRADE NAME:
Vat Navy Brown BR
Vat Brown BR
Vat Brown 2R
Cibanon Brown BR

CAS NO: 2475-33-4

CI.NO: 70800

Molecular Formula: C42H18N2O6
Molecular Weight: 646.60
Shade: Red light brown
COLOR TEMPLATE

Vat Brown 1 Physical and Chemical properties

Dyeing depth g/L

30

Dyeing method

IW IK

Leuco color

Brown(Y)

Leveling property

▲▲

Dead cotton

Light (Xenon test 1/12)

7

Light (Xenon test 1/1)

7-8

Light (Xenon test 2/1)

7-8

Application Features

Dyeing Method

Dyeing Tempreture(℃)

VAT Method

VAT Tempreture(℃)

 Levelness

Others

The most suitable method b, also can use c method

40~50,The Highest 90

2/5000  
Dry cylinder

40~50

Good

Colour Fastness Test

Sun fastness

Soping(95℃)

Perspiration

Rubbing

Ironing

Bleach resistant

Mercerizing

Standard Depth

1/12

Depth

Sample change

White stained

Sample change

White stained

 

Dry

 

Wet

 

immediately

 

After 4h

 

Chlorine bleaching

 

Oxygen bleaching

Sample change

White stained

7~8

7

5

5

4~5

5

4~5

3~4

4~5

4~5

4~5

4~5

4

5

The appearance of  Vat Brown 1(VAT brown BR) is generally dark brown powder, insoluble in water and xylene (cold). It is slightly soluble in tetralin (heat) and xylene (heat), greenish gray in concentrated sulfuric acid, and brown precipitate after dilution.

 

Vat Brown 1 Application:

Mainly used for cotton, hemp, silk and viscose dyeing and printing, cotton yarn dyeing common varieties. Used for polyester/cotton blended fabric two bath dyeing of polyester with little color. The leuco used for dyeing cotton knitwear.

Vat Brown 1 Use condition:

1.Jig dyeing and dyeing VAT brown 1 for cotton products, the most suitable b method, applies to c method. Is better to dry cylinder reduction, reduction time 10 ~ 15 min, reduction temperature 40 ~ 50 ℃, the dry cylinder stable time for 40 min.

2.It is widely used in cotton suspension pad dyeing, and is also a brown variety commonly used in cotton yarn dyeing.

3.VAT brown 1 is rarely used in printing. Printing paste is modulated with strong alkali to get better effect. Discharge printing is only in light color.

4.Dye VAT brown BR viscose fiber, low color temperature light, high temperature colored light yellow. Stick to 30 ℃ in cotton blended fabric dyeing, can obtain uniform color; 50 ℃ dyeing, viscose fiber group share color deeper and slant yellow. Dye whalen, red and dark colored light than cotton fiber slightly, poor levelness. Used for cotton blended fabric dyeing, red color is a bit heavy, good levelness. When used in the polyester-cotton (65/35) fabric dyeing, the polyester with color is less, but the thermosol dyeing with disperse dye bath.

5.The VAT brown BR printed and dyed fabric was treated with urea formaldehyde or cyanoformaldehyde resin.

Precaution

Restore Vat Brown 1 should be stored in a dry and ventilated place sealed.

Packing:

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

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Vat Brown 3
Vat Brown 68
Vat Brown 72
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