| Process |
Recipe |
conditions |
Remarks |
Pretreatment:
Demineralization: |
Lufibrol MSD -0.5 g/l
Kierlon JET B con - 0.5 g/l |
For 20 minutes @ 50°C |
|
| Hot Wash |
|
For 10 minutes @ 50°C |
|
| Scouring & Bleaching |
Soda
Ash = 3.0 g/l
Stabilizer
= 0.5 g/l
Soap
(Anionic) = 0.5 g/l
Hydrogen
Peroxide = 2.0 g/l |
For 45 minutes @ 85°C |
|
| Hot Wash |
|
For 10 minutes @ 50°C |
|
| Residual
Peroxide Removal: |
Peroxide Killer(enzyme) = 0.25 g/l
Acetic Acid = 1.5 g/l |
For 10 minutes @ 50°C |
Check pH = 6 |
| Cold Wash |
|
|
|
| Dye
Bath Setup: |
Resist Salt = 1 g/l
Sod.Hexametaphosphate = 1 g/l
Soda Ash = 2 g/l |
For 10 minutes at 50°C |
Sharpening treatment |
| Dyestuff Addition |
Add predissolved & filtered dyestuff in 2 portions |
Raise Temperature to 85°C and run 10 minutes |
|
| 1st Salt addition |
Add 1/10 of total Glaubers Salt |
Run 10 minutes @ 85°C |
|
| 2nd Salt Addition |
Add 2/10 of total Glaubers Salt |
Run 10 minutes @ 85°C |
|
| 3rd Salt Addition |
Add 7/10 of total Glaubers Salt |
Run 20 minutes @ 85°C |
|
|
Note: (if the dyestuff combination contain V.S or
Bi-functional dyes reduce
temperature to 60°C) |
|
|
| 1st Soda Addition |
Add 9 gms/liter of Soda Ash |
Run for 10 minutes |
|
| 2nd Soda Addition |
Add 9 gms/liter of Soda Ash |
Run for 10 minutes |
|
|
Note: (if the dyestuff combination contain V.S or
Bi-functional dyes continue dyeing at 60°C for 30 minutes) |
Raise temperature to 85°C and run for 30 to 45 minutes. |
Do tonal corrections if necessary at this stage. |
| Drain - overflow cold wash |
|
|
|
| Neutralization |
Acetic Acid = 1 g/l |
at cold for 10 minutes |
|
| Hot Wash |
|
at 75°C for 2 cycles |
|
| 1st Soaping |
Lissopol D paste or Dekol SN or Sandopur RSK liquid = 2 g/l |
at 95°C for 20 minutes |
Drain |
| 2nd Soaping |
Lissopol D paste or Dekol SN or Sandopur RSK liquid = 1 g/l |
at 95°C for 20 minutes |
Drain |
| Hot Wash |
|
at 50°C for 10 minutes |
|
| Cold Wash |
|
overflow |
|
| Final pH setup |
Acetic Acid = 1 g/l |
at cold for 10 minutes |
drain and unload. |
In fact for any shade that is properly dyed there is no need for cationic dyefixing treatment. Cationic dyefixing treatment (1) reduces the light fastness and (2) invariably changes the tone.