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Dyeing Flow Chart Of Grey Melange || Scouring And Bleaching Process

Posted by Textile Fashion Guide: A Dedicated Textile Fashion Education Informations Blog

Grey Melange yarn is the special types of yarn. The fabric which is made from the grey melange yarn is also special. Here I have given a dyeing flow chart by which grey melange yarns are dyed. After dyeing grey melange yarns are used for producing woven and knitted fabrics. Dyeing also done for grey melange fabric but basic dyeing sequence is same.



Dyeing flow chart for grey melange 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 wetting agent, anti foaming agent, sequestering agent and run at 600 C for 10 min



Water solution drain



Add wetting agent, sequestering agent, caustic soda, hydrogen peroxide, optical brightening agent and run at 900 C for single yarn and 1000 C for double yarn for 40 min



Drain



Add peroxide killer and run at 900 C for 10 min



Peroxide check in the package



Drain



Add acetic acid for neutralization and run for 20 min at 500 C



Drain



Add washing chemical and run at 900 C for 20 min



Wash sample check



Ok



Drain



Rinse for 10 min



Add fixing chemical and half acetic acid, run at 500 C for 20 min



Add softening agent and rest half acid, run at 600 C for 20 min



Check finished sample



Ok



Drain


 

Day by day the use of grey melange increased rapidly. The dyeing sequence which is given above is carried out for yarn dyeing.

 

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