Vat Dyes/Indigo Blue
| No. |
Colour sample |
Name of dyes |
Dyeing depth |
Light (Xenon) |
Hypochloride |
Washing (95°C) |
Perspiration |
Rubbing |
Hot pressing |
| CH |
CH |
CO |
CH |
CO |
Dry |
Wet |
CH |
| 1 |
|
VAT YELLOW GCN
C.I.Y-2# |
4% |
5 |
4 |
4 |
4-5 |
4 |
4-5 |
4-5 |
4 |
4-5 |
| 2 |
|
VAT YELLOW F3G
C.I.Y-33# |
3% |
6-7 |
4 |
5 |
4-5 |
4-5 |
4-5 |
4-5 |
4 |
4-5 |
| 3 |
|
VAT G.ORANGE RRTS
C.I.O-2# |
3% |
6-7 |
4-5 |
3-4 |
4 |
4-5 |
4-5 |
4-5 |
3 |
4-5 |
| 4 |
|
VAT Brill.ORANGE GR
C.I.O-7# |
3% |
6-7 |
4-5 |
4 |
4 |
4-5 |
4 |
4 |
3 |
4 |
| 5 |
|
VAT G.ORANGE G
C.I.O-9# |
2% |
6 |
4-5 |
4 |
4 |
4-5 |
4 |
4-5 |
3 |
4 |
| 6 |
|
VAT YELLOW 3RT
C.I.O-11# |
3% |
7 |
3-4 |
4 |
4-5 |
4 |
4-5 |
4-5 |
4 |
3-4 |
| 7 |
|
VAT PINK R
C.I.R-1# |
4% |
5-6 |
4-5 |
4 |
4 |
4-5 |
4-5 |
4-5 |
3 |
4-5 |
| 8 |
|
VAT RED 6B
C.I.R-13# |
3% |
6-7 |
4-5 |
4-5 |
4 |
4-5 |
4 |
3-4 |
3 |
4-5 |
| 9 |
|
VAT SCARLET R
C.I.R-29# |
3% |
6 |
3-4 |
3-4 |
4 |
4-5 |
4-5 |
4 |
3 |
3-4 |
| 10 |
|
VAT RED F3B
C.I.R-31 |
4% |
6-7 |
4-5 |
4 |
4 |
4-5 |
4-5 |
3-4 |
3 |
4-5 |
| 11 |
|
VAT BROWN BR
C.I.BR-1# |
3% |
6-7 |
4 |
4 |
4 |
4-5 |
4-5 |
4-5 |
3 |
4-5 |
| 12 |
|
VAT BROWN R
C.I.BR-3# |
3% |
6-7 |
4-5 |
4 |
4-5 |
4-5 |
4-5 |
4-5 |
3-4 |
4 |
| 13 |
|
VAT JADE GREEN FFB
C.I.G-1# |
2% |
7 |
4-5 |
4 |
4 |
4-5 |
4-5 |
4-5 |
3 |
4-5 |
| 14 |
|
VAT OLIVE GREEN B
C.I.G-3# |
3% |
6-7 |
4-5 |
3-4 |
4-5 |
4-5 |
4-5 |
4-5 |
3-4 |
4 |
| 15 |
|
VAT OLIVE MW
C.I.G-13# |
3% |
7 |
4 |
4-5 |
4-5 |
4-5 |
4-5 |
4-5 |
3-4 |
4 |
| 16 |
|
VAT Brill.VIOLET 2R
C.I.V-1# |
3% |
7 |
4-5 |
4 |
4-5 |
4 |
4-5 |
4-5 |
3 |
3-4 |
| 17 |
|
VAT BLUE RSN
C.I.B-4# |
3% |
7 |
3 |
3-4 |
4-5 |
4 |
4-5 |
4-5 |
3-4 |
4 |
| 18 |
|
VAT BLUE BC
C.I.B-6# |
3% |
7 |
3-4 |
4 |
4-5 |
4 |
4-5 |
3-4 |
3 |
4 |
| 19 |
|
VAT NAVY BLUE R
C.I.B-18# |
3% |
7 |
4-5 |
4 |
4 |
3-4 |
4-5 |
4 |
3 |
4 |
| 20 |
|
VAT CARK BLUE BO
C.I.B-20# |
4% |
6-7 |
4-5 |
2-3 |
4-5 |
3-4 |
4-5 |
4-5 |
3 |
3 |
| 21 |
|
VAT DARK BLUE VB |
3% |
7 |
3 |
3-4 |
4 |
4 |
4-5 |
4-5 |
3-4 |
3-4 |
| 22 |
|
VAT DIRECT BLACK DB
C.I.BL-9# |
5% |
7 |
3-4 |
4 |
4-5 |
4 |
4-5 |
4-5 |
3 |
4 |
| 23 |
|
VAT OLIVE T
C.I.BL-25# |
3% |
7 |
4 |
4 |
4-5 |
4-5 |
4-5 |
4 |
3 |
4-5 |
| 24 |
|
VAT GREY M |
3% |
7 |
3-4 |
4 |
3-4 |
4-5 |
4-5 |
4 |
3 |
4 |
| 25. |
|
VAT YELLOW G 100%
C.I. Y-1 |
4% |
4 |
4 |
3-4 |
4-5 |
3-4 |
4-5 |
4-5 |
4 |
4-5 |
| 26. |
|
VAT GOLDEN RK100%
C.I. O-1 |
2% |
6-7 |
4-5 |
4 |
4-5 |
4-5 |
4-5 |
4-5 |
3 |
4-5 |
| 27. |
|
VAT BORDEAUX 2R100%
C.I. R-15 |
3% |
6-7 |
4-5 |
4-5 |
4 |
4-5 |
4 |
4 |
3 |
4 |
| 28. |
|
VAT BRILLIANT VIOLET 3B 100%
C.I. V-9 |
4% |
7 |
4-5 |
4 |
4-5 |
4 |
4-5 |
4 |
3 |
4 |
| 29. |
|
VAT KHAKI 2G 100%
C.I. G-8 |
3% |
7 |
3 |
3-4 |
4-5 |
4 |
4-5 |
3-4 |
3 |
4 |
| 30. |
|
VAT OLIVE R 100%
C.I. BL-27 |
3% |
7 |
4 |
3-4 |
4-5 |
3-4 |
4-5 |
4-5 |
4 |
3-4 |
| 31. |
|
VAT GREY BG 100%
C.I. BL-29 |
3% |
7 |
3 |
3-4 |
4 |
4 |
4-5 |
4 |
3 |
3 |
| 32. |
|
VAT GREY 3B 100%
C.I. BL-16 |
2% |
7 |
4 |
3-4 |
3-4 |
3-4 |
4-5 |
3-4 |
3 |
3-4 |
The Quality Standard of Indigo
| No. |
Colour sample |
Name of dyes |
Dyeing depth |
Appearance |
strength |
shade |
moisture
(%)< |
diffusibility
(grade) |
cool reduction Proformance(min) |
iron ion< |
| 1 |
|
C.I. Vat Blue 1 |
2% |
dark blue uniform granule |
100 |
approximate to the standard |
1.0 |
3-4 |
120 |
200ppm |
Application of Vat Dyes
1.Procedure:
1.1Exhaust dyeing
Wetting -- Dyeing -- Washing -- Oxidation -- Washing -- Soaping -- Washing -- Rinsing -- Drying
1.2 Jig dyeing
Wetting -- Dyeing -- Washing -- Oxidation -- Soaping -- Washing -- Drying
Dyeing recipes
| Dyeing condition |
Dyeing recipes Bath ratio 1:40 |
| NK |
KW |
KK |
| o.w.f. |
0.1-1 |
1-3 |
3-6 |
0.1-1 |
1-3 |
3-6 |
0.1-1 |
1-3 |
3-6 |
| Caustic soda 30% (ml/l) |
10-12 |
12-17 |
17-20 |
6-8 |
8-12 |
12-14 |
5-7 |
7-9 |
9-11 |
| Hydrosulphite 85%(g/l) |
4-5 |
5-7 |
7-8 |
3.5-4.5 |
4.5-6.5 |
6.5-7 |
3.5-4.5 |
4.5-6.5 |
6.5-7 |
| Penetrating agent 10%(ml/l) |
5 |
5 |
5 |
5 |
5 |
5 |
5 |
5 |
5 |
| Alcohol 95%(ml/l) |
5 |
5 |
5 |
5 |
5 |
5 |
5 |
5 |
5 |
| Sodium sulfate anhydrous(g/l) |
- |
- |
- |
5-10 |
10-15 |
15-25 |
8-15 |
15-25 |
25-35 |
| Reduction temp.(°C) |
60 |
50 |
50 |
| Dyeing temp.(°C) |
60 |
45-50 |
20-25 |
Increase the dosages of alkali and sodium hydrosulfite properly when dyeing by KN Spl method.
Stock vat recipe
| Process |
SV I |
SV II |
SV III |
| Bath ratio |
1:50 |
1:50 |
1:100 |
| Caustic soda 30% (ml/l) |
60 |
30 |
60 |
| Hydrosulphite 85%(g/l) |
15 |
10 |
15 |
| Reduction temp.(°C) |
60 |
50 |
60 |
| Reduction time(min) |
10-15 |
10-15 |
10-15 |
Oxidizing bath recipe
Method
Recipe |
Sodium perborate |
Hydrogen peroxide |
Potassium (sodium) bichromate |
| oxidizing agent(g/l) |
3-4 |
2-5 |
1-2 |
| Glacial acetic acid(ml/l) |
- |
2-3 |
1-2 |
| PH |
10-11 |
6-7.5 |
- |
| Temp.(°C) |
40-50 |
20-40 |
30-40 |
| Time(min) |
10-15 |
10-15 |
10-15 |
Soaping bath recipe
| Soap(g/l) |
3-5 |
Temp.(°C) |
95-100 |
Sodium carbonate(g/l) |
2-3 |
Time(min) |
10-12 |
1.3 Pad-steam process
Pigment padding -- Predrying, Drying -- Cooling -- Reduction agent padding -- Steaming -- Washing -- Oxidation -- Washing -- Soaping -- Washing -- Drying
Pad-steaming recipe
| Dyeing method |
Dyeing depth |
Caustic soda(g/l) |
Hydrosulphite 85%(g/l) |
Time(sec.) |
Temp.(°C) |
| Pad-steam |
Pale-Medium |
20-30 |
20-30 |
60-90 |
101-103 |
| Medium-Deep |
40-60 |
40-60 |
1.4 Pigment printing process
Printing -- Drying -- Reduction agent padding -- Quick Ageing(102-105°C, 20-40s) -- Washing -- Oxidation -- Washing -- Soaping -- Washing -- Drying
Colour paste recipe
| Vat dyes(g) |
Starch/Sodium alginate paste(g) |
Water(ml) |
Total amount(g) |
| X |
300-500 |
Y |
1000 |
Reduction recipe
Method
Recipe |
I |
II |
III |
| Hydrosulphite 85%(g) |
80-100 |
- |
20 |
| Caustic soda 30%(36°Be′) (ml) |
80-140 |
60 |
60 |
| Starch |
a little |
a little |
a little |
| TDO 98% (g) |
- |
7-10 |
2 |
| Common salt(g) |
- |
20 |
15 |
| Total amount(ml) |
1000 |
1000 |
1000 |
|
