What is pretreatment?



Pretreatment : The process which is done to make the textile materials suitable for dyeing &printing .Such as singeing ,desizing ,scouring, bleaching etc.
Why we do pretreatment/utilities of pretreatment:
1. High absorbency
2. Low ash contain
3. High degree of whiteness
4. Optimum swelling of fibre
5. Good dimensional stability
6. Minimum loss of degree of polymer (D.P)
7. Shorter reaction time
8. Less energy consumption
9. Less Labour time                              

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