Normal Washing Process in Garments: Steps and Techniques for Fabric Care

Normal Washing Process in Garments: Steps and Techniques for Fabric Care

Noor Ahmed Raaz
Specialized in Apparel Manufacturing
Owner and Editor in Chief Textile Merchandising
Asst. Prof., Department of Textile Engineering
Atish Dipankar University of Science & Technology
Email: textilemerchandising1@gmail.com

 

Normal Wash:

Normal wash is the most common and popular washing process in the apparel industry. After establishing the manufacturing process, garments need to be washed to avoid shrinkage and remove adhering dirt, dust, etc. from garments. Therefore, normal washing is almost mandatory for every buyer. In the garment industry, normal wash is known by different names, such as detergent wash, rinse wash, common wash, etc. Now, I would like to discuss normal garments wash according to the industrial washing process.

Flow Chart of Normal Wash:

Every washing process should be maintained as a working procedure. Here given common washing process in the garment industry.

Desizing

↓

Rinse Washing

↓

Softening

↓

Hydro extraction

↓

Drying

Washing Process of Normal Wash:

Load the garments in the machine. A Batch of 100 kg cotton garments in the normal wash process is described below-

1st Step: (Desizing)

• Lot size: 100 kg cotton garment.
• Water add @ L: R = 1: 5 of 500 – 600 Liter.
• Run the machine.
• Detergent add @ 1 mg/liter.
• Temperature: Supply steam to raise temperature @ 40°c – 60°c.
• Time: 15 to 30 minutes.
• Drop the liquor.
• Cold wash.

2nd Step: (Rinse wash)

• Water add @ L: R = 1: 5 of 480 liter.
• Run the machine.
• Temperature: Raise temperature up to 40°c
• Time: 5 minutes.
• Drop the liquor.

3rd Step: (Softening)

• Water add @ L: R = 1: 5 of 500 Liter.
• Run the machine.
• Silicon/Flax softener add @ 0.1 – 0.5 mg/liter.
• Temperature: Supply steam to raise temperature @ 20°c – 30°c.
• Time: 5 to 10 minutes.
• Drop the liquor.

4th Step: (Hydro extraction)

Load the garments in the hydro extractor machine.

• This machine removes excess water from the garments.
• The running time of the hydro extractor is 2-3 minutes.
  

  Hydro Extractor Machine

5th Step: (Drying)

Unload from hydro extractor and load to dryer.

• Dry garments by gas dryer or steam dryer.
• Running the machine.
• Temperature: 70°c – 80°c.
• Time: 20 to 30 minutes.