Shade of the textile materials depends on the dyes percentage which is used for dyeing. Chemical which is used for dyeing also vary depending on the dyes used. Generally dark shade means the dyes percentage above 2%. Medium shade dyeing and dark shade dyeing process is nearly same.
Flow chart of cotton dyeing with turquoise color 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, antifoaming 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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Peroxide check in the package
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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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Dyeing period
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Add salt, wetting agent, antifoaming agent, sequestering agent and run at 600 C for 10 min
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PH check
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Color dosing at 600 C for 30 min
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Color migration at 800 - 900 C for 30 min
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Migration package check
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Ok
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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 950 C for 20 min
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Add washing chemical and run at 900 C for 20 min
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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
So, dye your textile materials with turquoise color and get the colorful yarns or fabrics.
thanks for your technical information
what chemicals are mixed to get aceticacid 100%in textile dying
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