Yaa Caustic Washing Procedure Alongside Limitation

Caustic Washing Process amongst Limitation

Mayedul Islam
Merchandiser at Fashion Xpress Buying House.
Badda, Dhaka, Bangladesh.
Email: mayedul.islam66@gmail.com

Caustic launder

Garment washing is a novel tendency inwards textile in addition to clothe sector. There are diverse types garment washing. Among them Caustic Wash is 1 of the pop in addition to mostly used physical care for of Garment Washing. Caustic launder is a treating a production amongst a solution of caustic soda to take away impurities. Caustic wash mostly doing on Reactive dye, Sulpher dye, Direct dyed or printed Garments.

Garment washed snap shirt

Caustic launder is required for the next reasons:

To fading/old looking impact on Garment in addition to seam abrasion affection seam area.
To take away the size materials, starch from the garments.
Dust, dirt, fossil oil spot, impurities etc. are removed that may come upward from during physical care for i.e. cutting, stitching in addition to the dorsum process.
To increment the color fastness & rubbing fastness.
For soft feeling to habiliment the garments.
To increment the hairiness on garments this increases its former await appearance.
To accomplish the buyer reference sample

Discoloration produced is normally to a greater extent than apparent depending:-

On forcefulness of the bleach liquor
On bleach liquor quantity
On temperature in addition to
On handling time.

Caustic washing process:
The washing physical care for follows the bellow mentioned steps.

First Step:
Supposed a lot size 80kg garments.

Add H2O at L: R = 1: 8.............. 640 liter
Machine Running.
Add Caustic soda (NAOH) at 1.60 gm / liter ....... 1024 gm.
Add Detergent.............. at 0.8 gm / liter ......... 432 gm.
Temperature........... 50°c to 60°c.
Time (Depend upon the shade) ....... xx to lx min.
Drop the liquor.
Wash mutual depression temperature H2O for iii min.

Second Step: Neutral launder

Add H2O at L: R = 1: v ......... 400 liter.
Add Acetic Acid at 1 gm / liter ............. 400 gm.
Time................................... v min.
Here acetic acid is used to neutralize the garments from alkaline metal medium

Third Step:

Add H2O at L: R = 1: 6.............. 480 liter
Machine Running.
Add Acetic Acid at 0.5 gm / liter ............ 240 gm.
Add Flax softener at 0.6 gm / liter........... 288 gm.
If to a greater extent than soft operate silicon at 0.6 gm / liter ... 288 gm.
Time................................ 10 to xx min.
Drop the liquor.
Unload the garments on trolley

Fourth Step: Hydro- extractor machine.
Hydro-extraction the garments to take away excess H2O from the Garments. Time required well-nigh ii - iv minutes.

Fifth Step: Steam dryer/Gas dryer

Load on steam dryer - l kg
Running the machine
Temperature - 60°c - 70°c
Time - xl - l min for dry.
Time - 10 - fifteen min for mutual depression temperature dry.

OR,

Load on gas dryer - l kg,
Running the machine
Temperature: - 70°c - 85°c for dry.
Time: - xxx - 35 min for dry.
Time: - 10 - fifteen min for mutual depression temperature dry.

Sixth Step:
After drying garments become to character department in addition to depository fiscal establishment tally the garment, skilful character garment volition hold out delivery in addition to Deep shade 1 time to a greater extent than rewash, other character Garment rectify thus delivery.

Limitations of Caustic launder