Pigment Wash

Generally Pigment wash is doing on pigment dyed or printed garments by using pigment washing technique. The following reasons are required for pigment wash.
1.     To fading affect or old looking affect on garment and also seam abrasion.
2.     Feeling soft when wear the garments.
3.     To achieve the buyer washing standard.
4.     To increase the color fastness.
5.     And also to increase the rubbing.
Process of Pigment Wash
For pigments washing process now we take a batch which is 80kg twill/canvas garments and the process is described below.
Step 1:
Lot size = 80kg.
Water = 640liter.
L: R = 1:8.
Run the machine.
Add caustic soda = 0.8gm/liter.
Add soda ash = 1.50gm/liter.
Add detergent = 0.8gm/liter.
Temperature = 50-60ºC.
Time = 20-60 minute (time depend on the shade).
Drop the liquor.
Hot wash at 50ºC = 5min.
Cold wash = 5min.
Step 2:
Water = 480liter.
L: R = 1:6.
Run the washing machine.
Add acetic acid = 0.5gm/liter.
Add flax softener = 0.6gm/liter.
Silicone = 0.6gm/liter (silicone is used for more slippery hand feel).
Time = 10-20min.
Drop the liquor.
Unload the garments on trolley.
Step 3:
In this step we used hydro-extractor machine. To remove the excess water from the garment we used hydro-extractor machine. For this about 2-4 minutes is required.
Step 4:
Here we used drying machine.
Load the steam dryer = 50kg.
Run the machine.
Temperature = 60-70ºC.
Time (dry) = 40-50min.
Time (cold) = 10-15.
Step 5:
When drying is complete then the garments go to quality section for checking the garments.  Good quality garments will be delivery and deep shade again rewash and other quality garments rectify then delivery.

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