Turquoise color dyeing is critical than the normal color dyeing. This type of dyes is used for produce specific color. A flow chart of turquise color dyeing for light shade is given below:
Carrier and vessel washed by hydrose and caustic at 1000 C for 20 min
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Load the package in the carrier and feed in the vessel
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Add wetting agent, anti foaming agent, sequestering agent and run at 600 C for 10 min
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Water solution drain
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Add wetting agent, sequestering agent, caustic soda and hydrogen peroxide and run at 1100 C for single yarn and 1150 C for double yarn for 20 min
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Drain
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Add peroxide killer and run at 900 C for 10 min
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Drain
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Add acetic acid for neutralization and run for 20 min at 500 C
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Drain
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Absorbency test of sample
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Ok
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Add wetting agent, antifoaming agent, sequestering agent and run at 600 C for 10 min
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Color dosing at 600 C for 20 min
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Color migration at 800 – 900 C for 30 min
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Salt dosing at 600 C for 20 min
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Run the machine for 20 min at 800 – 900 C with color and salt
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Soda dosing at 600 C for 40 min
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Cotton dyeing at 800 – 900 C for 50 min
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Check sample
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Ok
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Drain
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Rinse for 10 min
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Add acetic acid for neutralization and run for 10 min at 500 C
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Drain
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Add washing chemical and run at 900 C for 20 min
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Wash sample check
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Ok
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Drain
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Rinse for 10 min
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Add fixing chemical and half acetic acid, run at 500 C for 20 min
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Add softening agent and rest half acid, run at 600 C for 20 min
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Check finished sample
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Ok
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Drain
It’s too much practical; if you want you can try in cotton dyeing for light shade. Don’t forget to inform me about the results.
i visited a factory last night….i saw they use salt dosing before dyeing….i mean they were using salt like pretreatment…they run this salt around 45 mins……why??any difference?