All about flow chart of textiles

Flow Chart of Cotton Dyeing Process

Flow Chart of Cotton Dyeing Process
Rana Sohel
Executive Engineer
Sunman Textile Mills Ltd. Chittagong
Cell: +8801912-420118
Email: rsohel07tex@gmail.com




Cotton is a soft, fluffy staple fiber. It is a natural and most popular fiber. Cotton is dyed with a range of dye types, including vat dyes, and modern synthetic reactive and direct dyes. Dyeing process of cotton is given below.
Dyed cotton
Cotton Dyeing Steps:

Required amount of water was taken into the machine

The fabric was loaded and run for 5-10 minutes in normal temperature

BOS, FE,CF,H-53 (Scouring Chemicals) were added at a time for 5 minutes

Caustic was added at normal temperature for 5 minutes

Temperature increased at 60 oC

Hydrogen per Oxide(H2O2)was added for 5 minutes

Temperature increased at 95 oC and continue for 1 hrs

Sample check

Cold wash at 40 oC for 5-10 minutes

Hot wash at 95 oC for 5-10 minutes

Required amount of water was loaded

Acetic acid was added

Temperature increased at 80 oC for 15-20 minutes

Cold wash at 40 oC and drain

Water filled and Acetic acid was added

PH check at 4.5

Leveling agent at 60 oC for 5-10 minutes

Salt at 60 oC for 5-10 minutes

Run time 10 minutes

Dyes at 60 oC for 30 minutes

Run time 10 minutes

Check the sample

Soda ash at 60 oC for 40 minutes

Run time 10 minute

check the sample

Colour steam

B D (Bathe Drain)

Wash

Hot wash

Acetic Acid

Run for 20 min

Then unload the garments