1- In which machine is the dying done 2-How do you dying of polyester yarn and cotton yarn

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Dyeing is done in machines such as jet dyeing machine, beam dyeing machine, and jig dyeing machine. Polyester yarn is dyed using disperse dyes while cotton yarn is dyed using reactive dyes.

Dyeing can be done in various machines such as jet dyeing machine, beam dyeing machine, and jig dyeing machine.
Polyester yarn is dyed using disperse dyes which are insoluble in water and require high temperature and pressure for dyeing.
Cotton yarn is dyed using reactive dyes which form a covalent bond with the fiber and require alkaline conditions for dyeing.
The dyeing process involves preparation of the dye bath, loading of the yarn, heating and cooling, and rinsing and drying.
Quality control measures such as shade matching, color fastness testing, and pH testing are important in dyeing.

1- In which machine is the dying done 2-How do you dying of polyester yarn and cotton yarn

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