Introduction of garment washing
1.1 Definition of garment washing: The technology which is used to modify the appearance, out look comfort ability & fashion of the garments is called garment washing.
Since 1978, garments pre washing has become more and more popular. It began with denim jeans for the following reasons,
- Before garments pre washing was done on jeans, consumers had to wash them at home before wearing them because before washing they were too stiff, too long and too big to wear.
- After pre washing, the consumers do not have to worry about the fit after they wash them as pre washing has taken away almost all the shrinkage and made the jeans stable.
- After pre washing the denim color looks more lively particular with the pronounced washed look left on the double needled seams.
1.2 Purpose of Washing :
- To remove the size materials (Starch) from the garments which is the most important function of washing. As a result the garments become size free and feel soft during use.
- To remove any dirt, dust and other impurities which is presents or at added in the garments during manufacturing.
- To produce similar or different outlook in the garments by different technique.
- To create color or tinted affect in the garments by washing technique.
- To create new fashion such as tagging, grinding, destroy, blasting, crinkle, P.P spray etc in the garments by washing technique.
- To develop softness in the fabric by removing hardness of fabric.
1.3 Requirements of garments Washing:
- It should be remove size materials from the garments.
- It should be removed any dirt, dust, and other impurities from the surface of garments.
- It should be attracted the customer or buyer by using different fashionable washing and market developments.
- It should be used new/modern/latest machines.
- It should be used various types of chemicals.
- It should be comparatively more profitable than others.
1.4 Advantages of garments washing:
- It removes size materials from the garments which is the most important function in the washing as a result the garments become size free and feel soft during use.
- It removes any dirt, dust, and other impurities from the surface of garments.
- It attracts the customer or buyer by using different fashionable washing and market developments.
- Washed garments could be worn directly the garments after purchase from shop or store.
- Initial investments cost to setup a garments washing plants is comparatively lower.
1.5 Effects of garments washing:
- Change the appearance of the garments.
- Change in size.Change in color.
- Change in comfort.
- Change in outlook of the garments.
- Change in design.
- Change in fashion.
- Remove size materials.
- Removes any dirt, dust, and other impurities from the surface of garments.
- Shrinkage of garments occur which conform the actual size.
1.6 Types of garments washing:
Garments washing process are mainly two types
- Wet process
- Dry process
1.6.1. Wet process:
Different types of wet process are given below:
- Normal wash
- Enzyme wash.
- Caustic wash.
- Silicon wash.
- Stone wash.
- Stone Enzyme wash.
- Acid wash.
- Bleach wash.
- Soft wash.
- Carbonizing or burn wash.
- Tie wash.
- Super white wash.
- Towel wash.
1.6.2. Dry process:
Different types of dry process are given below:
- Sand Blasting.
- Hands scraping.
- 3-D crinkles.
- Pressure crinkle.
- PP Spray & PP Sponging.
1.7 Types of Machine used in washing plants:
- Sample washing Machine (Horizontal / Vertical Type)
- Washing Machine (Side loading)
- Washing Machine (Front loading)
- Hydro extractor Machine
- Dryer Machine (Steam)
- Dryer Machine (Gas)
- Chemical Mixture Machine
- Industrial Oven (Gas/Electric)
- Submersible Pump
- Grinding Machine
- Tagging Machine
- Steam chamber for crinkle
- E.T.P (Effluent Treatment Plant)
- Sand Blasting Gun
- Sand Blasting chamber
- Spray gun and dummy
- Screw compressor
- Laser draw.
1.8 Types of Chemicals used in washing Plant:
|3. Acetic Acid
|7. Caustic Soda
||8. Soda Ash
|9. Sodium Bicarbonate
||10. potassium Permanganate
|11. cationic/nonionic Flax softener
||12. Micro Emulsion Silicon
|13. Salt (sodium chloride)
|15. Hydrogen peroxide
|19. Optical Brightener
|21. Sodium Metabisulphite
||22. Desizing agent