Concentration of Soda Ash: An Imperative Factor for Rubbing Fastness of Reactive Dyed Knit Fabric

Tanvir Ahmed Chowdhury


The main aim of the study is to know the effect of soda ash on rubbing fastness of reactive dyed knit fabric. To conduct this project work, twelve samples of four different structures having four GSM were taken. At first the samples were dyed with suitable recipe in a proper method. The pretreatment and after treatment of dyeing knit fabric were properly done. Then the color fastness to rubbing was tested. To asses color fastness to rubbing, standard procedure was followed. After critical analysis, it has been found that the color fastness to rubbing of knit fabric varies with the variation of soda ash concentration in dye bath.


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ISSN : 2251-1563