Stone Enzyme Wash | Objects of Stone Enzyme Wash | Process of Stone Enzyme Wash for Pant

Stone Enzyme Wash:
Now in our Bangladesh maximum Denim garment washing is done by stone enzyme wash. It is most popular wash for Buyer.

Stone enzyme washed jeans
Fig: Stone enzyme washed jeans
Objects of Stone Enzyme Wash:
  1. To create irregular fading affect on old looking affect on garments.
  2. To remove dust, dart, oil spot, impurities from the garments.
  3. For soft feeling to wear the garments i.e. to improve softness.
  4. To achieve the buyer washing standard.
  5. To remove the size materials from the garments.
  6. To improve anti-pilling properties.
Process of  Stone Enzyme Wash:
A process of stone enzyme wash of 60 kg batch of Denim Long Pant as mentioned below:

First Step: Pretreatment/Desizing
  1. Batch size....................... 60 kg Denim Long Pant.
  2. Add water @ L: R = 1 : 9 ............................ 540 litres.
  3. Start the machine.
  4. Temperature.................... 60°c
  5. Add Desizing agent @ 0.6 gm / litre................. 324 gm.
  6. Add Detergent / Antistain @ 1 gm / litre ......... 540 gm.
  7. Time................................ 15 to 25 mts.
  8. Drop the liquor.
Second Step: Hot Wash
  1. Add water @ L: R = 1: 9.............. 540 litres.
  2. Temperature.................................... 60°c.
  3. Time................................................. 5 mts.
Third Step:
  1. Add water @ L : R = 1 : 8 .............. 480 litres.
  2. Add pumic stone @ ½ vol of garments.
  3. Add Enzyme @ 1.50 gm/litre ..................... 720 Gms.
  4. Add Acetic Acid @ 0.6 gm/litre .................. 288 Gms.
  5. Add Antistain @ 0.8 gm/litre ..................... 384 Gms.
  6. Temperature......................................... 40°c to 50°c
  7. Time (Depend upon the shade) .......... 60 to 70 mts.
  8. Then temperature raise to 90°c for 1 minute.
  9. Drop the liquor.
  10. Rinse Twice, each 3 minutes.
  11. Then pumic stone out from washing machine
Fourth Step: Bleaching
  1. Add water @ L: R = 1: 8.............. 480 litres.
  2. Machine running.
  3. Add bleaching powder (k.c.i) @ 10 gm/litre ....4800 gms.
  4. Add soda ash @ 5 gm/litre................................ 2400 gms.
  5. Temperature........................................................... 60°c.
  6. Time (Depend upon the shade) ..................... 12 to 15 mts.
  7. Drop the liquor.
  8. Rinse twice, each 3 minutes.
Fifth Step: Neutral Wash
  1. Add water @ L: R = 1: 9 ............................ 540 litres.
  2. Add sodium hyposulphite @ 3 gm/litre ....... 1620 Gms.
  3. Temperature..................................................... 40°c.
  4. Time ............................................................. 10 to 12 mts.
  5. Drop the liquor.
  6. Rinse one.
Sixth Step: Soft Wash
  1. Add water @ L : R = 1 : 8 .............. ..............480 litre.
  2. Add Acetic Acid @ 0.6 gm/litre ..................... 288 Gms.
  3. Cationic softner @ 1 gm/litre ........................ 480 Gms.
  4. Time................................ 5 mts.
  5. Drop the liquor.
  6. Unload the garments to trolley.
Seventh Step:Hydroextractor Machine
  • Hydroextraction the garment to remove excess water from the washed garments.
Eighth Step:Drying Machine
  1. Load 40 kg garments
  2. Set temperature ................ 75°c to 85°c.
  3. Time ......................... 35 to 40 mts.
  4. Time ..................... 10 minutes in cold dry.
Ninth Step:Delivery
  • After quality checking garment will be delivery.

Sharing Knowledge: Students, teachers and professionals can publish your article here. It is a platform to express your knowledge throughout the world. For details: Submit Article

Editor-in-Chief:

Mazharul Islam Kiron is a textile consultant and researcher on online business promotion. He is working with one European textile machinery company as a country agent. He is also a contributor of Wikipedia.


Let's Get Connected: LinkedIn | Facebook | Google Plus

Back To Top