Flow Chart of Denim Washing Process

By | August 21, 2015

Process Flow Chart of Denim Garments Washing

Mayedul Islam
Merchandiser at Fashion Xpress Buying House.
Badda, Dhaka, Bangladesh.
Email: [email protected]

 

Denim Washing:

Denim washing is the aesthetic finish, which is given to the denim fabric to enhance the appeal and to provide strength. In case of denim washing, several wash effects can be produced such as- color fading with or without patchiness, seam puckering, de-pilling, crinkles, hairiness etc. But denim washing follows a process flow-chart, by which all the mentioned effects can be achieved easily. As its importance in garments washing, the whole process flowchart of denim washing have discussed in this article.

Denim washed jacket

Denim washed jacket

Process Flowchart of Denim Washing:

Garments received

Dry process

Send to wet process

Garments loading in washing machine

De-size

Enzyme

Bleaching (If needed)

Neutralization

Extracting

Drying

P.P spray

Neutralization

Tinting

Softener

Extracting

Drying

3D

Curing

Q.C check

Delivery

The above all processes are discussed in the below table:

SL No.
Process
Procedure
01
Garments received
Firstly, denim garments should receive from the sewing department.
02
Dry process
If garments needed any types of dry process (Hand-sand, whisker, tacking etc), then it’s sent to the dry process section to do that.
03
Send to wet process
After completing required dry processes, garments sent to the wet process section.
04
Garments loading in washing machine
Garments are loaded into washing machine to complete the garments washing processes followed by the buyers approved wash reference.
05
De-size
De-sizing process is done here by using de-size chemical to remove size material from the garments.
06
Enzyme
According to buyers provided wash reference, enzyme washing process is done here by using enzyme chemical (Acid enzyme or Neutral enzyme).
07
Bleaching
According to wash reference, If bleaching process is needed to match with the desired shade then it’s done here by using bleaching chemical (K.C.I or Japani Bleach).
08
Neutralization
Bleaching chemical should be neutral here by using sodium meta bi-sulphite or sodium hypo. Each chemical choice depends on the instant situation of garments.
09
Extracting
Here, garments are extracted by using hydro extractor.
10
Drying
Garments are dried here by using gas dryer or steam dryer.
11
P.P spray
According to wash instruction, if garments have needed P.P effect, then P.P should be done here by using required chemical.
12
Neutralization
Here, P.P chemical have to neutral by using sodium meta bi-sulphite.
13
Tinting
Sometimes, tinting is needed for matching with the required shade.
14
Softener
This process is done here by using softening chemical. Its may be cationic or non-ionic softener.
15
Extracting
Garments are extracted here by using hydro extractor machine.
16
Drying
Here, all the garments are dried by using gas dryer or steam dryer.
17
3D
According to buyers approved wash reference, if garments needed 3D effect then 3D process is done here.
18
Curing
After applying 3D process, all the garments are cured here by using woven machine.
19
Q.C check
All the garments are checked here by maintaining buyers approved wash reference sample or shade band.
20
Delivery
Finally garments sent to the finishing department.

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