Process Flow Chart Of Polyester Dyeing | Disperse Dyes Dyeing Process

Polyester is the most used synthetic fiber of the world. Polyester fiber is dyed with disperse dyes. If we want, we can dye the fiber during yarn preparation. Also we can dye the yarn after yarn preparation and in fabric form. The fastness properties of polyester dyed yarn are excellent. Day by day the use of synthetic fiber increases rapidly.

Process Flow Chart Of Polyester | Disperse Dye Dyeing ProcessDyeing sequence of polyester is given below:

Carrier and vessel washed by hydrose and caustic at 1000 C for 20 min

Load the package in the carrier and feed in the vessel

Add washing agent and run at 800 C for 20 min

Dyeing period

Add leveling agent and acid, run at 600 C for 10 min

PH check

Color mixing at 700 C for 40 min

Color dosing at 600 C for 20 min

Polyester dyeing at 1350 C at 20 gradient for 50 min

Sample check


Temperature cool down at 780 C and drain

Hot wash for 10 min

Rinse for 15 min for light shade and 25 min for dark shade

Add hydrose, soda ash, run at 800 C for 20 min


Rinse for 10 min

Neutralization by acetic acid at 500 C 20 min


So, that’s all about the polyester dyeing as well as synthetic yarn dyeing. You can try it in your practical life and give me a feedback about the result of dyeing process of polyester.

3 thoughts on “Process Flow Chart Of Polyester Dyeing | Disperse Dyes Dyeing Process

  1. I have an interest in reprocessing and shade conversion of polyester and its blends using carrier method.Please advise me.I am in Kenya.

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