Sand Blasting Washing

Sand blasting is mechanical dry washing process by which AL2O3 is passing through a nozzle with the help of high speed compress air. Doll can be used for this type of washing.  Basically sand blasting is used in heavy garments like; denim, twill, Canvas, corduroy etc.

Sand Blasting Washing (SiO2)

Sand blasting is performed combine with the wash like; Bleach wash, Normal / Rinse wash, Stone enzyme wash, tinting/ dyeing, Stone wash etc.

Sand BlastingWashing

Objective of Sand Blasting

  • The main objective of sand blasting washing is to color fading from the specific surface area on the garments.
  • For making fashionable apparel.

Objective of SandBlasting

Principles of Sand Blasting

Al203 is passed through a nozzle with the help of compress air. So rubbing is occurred and color is fade from the specific area on the apparel surface.

Precaution of Sand Blasting

Proper protection is needed for operator so that any threat can be avoided

  1. Protection eye glass,
  2. Using mask,
  3. Ear plug,
  4. Should use helmet, Cap.
  5. Using apron

Procedure of Sand Blasting

A standard process flow of sand blasting washing is as flows: Close Chamber => Table => Place Apparel => Sand Blasting => Color Fading => Apparel Washing.

Sand Blasting Washing Process Flow chart

Demerits/Disadvantage of Sand Blasting

  • Not Environment friendly.
  • Health hazardous, harmful for operator.
  • There is chance of fabric damage.

Now a days Sand Blasting Washing process is isolate due to health hazardous, it may be causes cancer. On the other hand, buyers do not prefer this type of washing because of health issue.

Md. Mashud Rana Opurbo

Industrial Engineer.

Email: [email protected]

Cell: 01928-186429

Garments Washing

Garments Washing:

Normally we use the word ‘washing’ to mean cleaning. But in case of garments, washing is not limited to this function. For garments, washing is not only required for cleaning but also required for improving fabric quality, increase softness of fabric, reduce shrinkage, removing of dirt and for creating color effects. In other sense washing is a technique which used to remove impurities dirt, dust, oil etc. from the surface of garments, softness feeling of cloths, outlook fashion of the apparel and increasing color fastness.

Garments Washing Process

Garments Washing

Classification of Garments Washing

According to the process of washing, garments washing is basically of two types; one is wet process and other is dry process.

Objectives of Garments Washing

Though garments washing is done to meet several objectives, but among those followings are the most common.

  • To remove size materials
  • Impurities remove
  • To increase color fastness
  • For color fading
  • For soft hand feel
  • Fashion Garments.

Chemicals use for Garments Washing

Several chemicals are used for garments washing. Here is the list of chemicals use in garments washing.

  • Detergent
  • Bleaching agent ( H2O2, KMNO4)
  • Acid ( Acetic acid, phosphoric acid)
  • Desizing agent
  • Softener
  • Enzime ( Bio- Chemicals)
  • Anti-staining agent
  • Soda
  • Salts Etc.

Washing plant of Garments

Washing plant can be automated, semi-automated. An engineer is responsible for all process to control such as Garments, m/c, H2O, Chemicals, PH etc.

Washing Condition of Garments

  • Temperature up to 60̊ C
  • Time Up to 60 min
  • PH
  • Concentration of chemicals Up to 15 g/L

Process Flow of Garments Washing

Batch selection => Loading into washing m/c => M: L (add water) => M/c running => Add chemical at adjust temp. and set time => Drain out => Hot wash/ cold wash => Softening => Unload => Hydro extracting => Drying => Quality check => Finishing

Flow Chart of Garments Washing

Flow Chart of Garments Washing

Written By: Mashud Rana Opurbo

Bsc in Textile Engineering (DIU) “24th Batch”

Industrial Engineer at Radisson Garments Ltd.

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