Now You Know Performance Analysis of Denim Garments by Bleach Wash (Part-3)

Performance Analysis of Denim Garments by Bleach Wash (Part-3)
Authors: Md. Anwarul Haque1
Ariful Hassan
2
Shantonu Paul Shuvra
Md. ShagorHossain

Textile Engineering College, Begumgonj, Noakhali.
Email: haquebd2014@gmail.com1, arifulhassan034@gmail.com2


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GARMENT WASHING
The technology which is used to modify the appearance, outlook comfort ability & fashion of the garments is called garment washing.

History
1950 was the beginning of RMG in the Western world. In order to control the level of imported RMG products from developing countries into developed countries, the Multi Fibre Agreement (MFA) was made in 1974. The MFA agreement imposed an export rate 6 percent increase every year from a developing country to a developed country. In the early 1980s Bangladesh started receiving investment in the RMG sector. Some Bangladeshis received free training from the Korean Company Daewoo. After these workers came back to Bangladesh, many of them broke ties with the factory they were working for and started their own factories.

In the 1980s, there were only 50 factories employing only a few thousand people. Currently, there are 4490 manufacturing units. The RMG sector contributes around 76 percent to the total export earnings. In 2007 it earned $9.35 billion. This sector also contributes around 13 percent to the GDP, which was only around 3 percent in 1991. Of the estimated 4.2 million people employed in this sector, about 50 percent of them are women from rural areas. In 2000, the industry consisting of some 3000 factories employed directly more than 1.5 million workers of whom almost 80% were female. USA is the largest importer of Bangladeshi RMG products, followed by Germany, UK, France and other E.U countries.

History of garment washing in the world and Bangladesh
The economy of Bangladesh is largely dependent on agriculture. However the Ready–Made Garments (RMG) sector has emerged as the biggest earner of foreign currency. The RMG sector has experienced an exponential growth since the 1980s.The sector contributes significantly to the GDP. It also provides employment to around 4.2 million Bangladeshis, mainly women from low income families.
Performance Analysis of Denim Garments by Bleach Wash  Now You Know Performance Analysis of Denim Garments by Bleach Wash (Part-3)
Garment washing in Bangladesh
Requirements of garments washing
  • It should be removed size materials from the garments . Hence feels soft during use.
  • It should be removed any dust, dirt, spot, impurities or germ which is present or added in garments during manufacturing.
  • It should be shrinkage occurred i.e. no possibility of further shrinkage of wash garments due to washing.
  • It should be attracted the customers or buyer by using different types of fashionable washing and market developments.
  • It should be produced similar or different outlook in the garments by different washing techniques.
  • It should be created wash look appearance in the garments. After washing the garments create a new looks which seems the new touch of fashion.
  • It should be created color or tinted affect in the garments which also seems the best touch of the garments.
  • It should be created faded affect in the garments.
  • It should be possible to wearing directly the garments after purchasing from the shop.
  • Should be used new/ modern/ latest machines.
  • It should also be produced fading affect in the specific area of the garment as per specific design.
  • It should be comparatively more profitable than others.
Effects of garments washing
  1. Change the appearance of the garments.
  2. Change in size.
  3. Change in color.
  4. Change out look of the garments.
  5. Change in comfort.
  6. Change in design.
  7. Change in fashion, etc.
TYPES OF WET AND DRY PROCESS
  1. Normal wash / Garments wash/ Rinse wash.
  2. Pigment wash.
  3. Caustic wash.
  4. Silicon wash.
  5. Stone wash.
  6. Enzyme wash.
  7. Stone Enzyme wash.
  8. Acid wash.
  9. Bleach wash.
  10. Tinting & over dyeing.
  11. Sand Blasting.
  12. Hands scraping.
  13. Over all wrinkles.
  14. Permanent wrinkle.
  15. Grinding & Destroy.
  16. Broken & Tagging.
  17. P P Spray & P P Sponging etc.
Machine names which are used in washing plant
  • Sample washing machine ( horizontal/vertical)
  • Washing machine
  • Hydro extractor machine
  • Dryer machine
  • Chemical mixture machine
  • Industrial oven
  • Boiler
  • Submersible pump
  • Grinding machine
  • Tagging machine
  • Steam chamber for crinkle
  • E.T.P
  • Generator
  • Sand blasting gun
  • Sand blasting chamber
  • Spray gun and dummy
  • Screw compressor

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