100% Cotton Knit Fabric Dyeing Process In Details

Cotton knit fabric dyeing is a process that can be used to create different colors from white cotton. The steps in this process are Scouring, bleaching, dyeing, rinsing, and drying. The colors that can be created with this process are reactive dyeing. This process will be applied with the below condition

Fiber type: 100% cotton ( Celusose fiber).

Dye behavior: Reactive Dyes (Most using dye in the textile industry).

Fabric type: Jersey, Rib, Terry, fleece, Pique, Lacoste, or other cotton knit fabric.

Color type: Normal color

100% cotton fabric dyeing process flow chart:

Detail 100% cotton knit fabric dyeing process

Scouring & Bleaching Start

Fill Water

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Temperature at 40⁰C

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Detergent+anticreasing+secquestering agent injects

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Load Fabric

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Temperature to 60⁰C

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Caustic soda Dossing= 7min

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Rise Temperature at 70⁰C

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Hydrogen Peroxide Inject

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Rise temperature at 98⁰C

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Run = 60min

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Cooling at 78⁰C

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Check sample (Absorbency and Brightness)

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If ok then drain

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Normal water hot At 80⁰C

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Run= 10min

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Wash clear

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Drain fill

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Neutralize with acetic acid

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Peroxide killer inject and run=5min

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Check the availability of peroxide paper

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Drain and wash

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Drain fill

Bio polishing

Rise temperature at 55⁰C

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Contol PH=4.5

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Enzyme Inject into the machine

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Run=50min

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Check sample(Hairiness on the surface)

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If ok Then drain

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Wash clear

Dyeing Start

Rise the temperature to 40⁰C

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Control PH=6.5

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Leveling agent+Anticreasing+Secquestering agent injects

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Run=5min

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Salt Dossing=10min (Better to use recycled dossing)

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Run=10min

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Color Dosing=30 min

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Run=20 mint

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Sample check (Approximate availability of all dyes according to shade%)

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Check the levelness of the dyes

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If everything ok then raise the temperature to 60⁰C

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Soda(10%) dosing=15 minute

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Runtime=15 minute

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Soda(Rest 90%) dosing=20  minute

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Runtime=20 min

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Sample check If ok then

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Bath Drain (Rinse drain is better)

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Wash =5min & drain fill

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Normal hot=70⁰C

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Run =10min

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Wash clear

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Use Ascitic acid to neutralize

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Wash and drain

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Clear the water

Soaping start

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Soaping agent inject

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Rise the temperature =90⁰C,

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Run=10min

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Drain and wash

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Clearwater

Fixing Start

Dossing the fixing agent=5 minute

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Run=15Min

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Drain & Wash clear

Softening start

Ph control 5

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Softener Dossing 5min

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Runtime 10min

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Check sample (Softness and final shade)

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If ok then Unload

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Deliver to Finishing