DYE -FIXING AGENT (D.F.A.)

DFA is a cationic dye-fixing agent, which improves the wet fastness of dyed, or printed cotton cellulosic good on which direct reactives or after copperable dyes are used.

DFA is marketed as almost water white mobile liquid having a pH of about 4.5 in 1% distilled water solution.

DFA is stable in hard water. Dilute acids, and low eletroyte concentrations. It is precipitated in presence of strong alkalies and salts of mineral acids. Weakly acidic solution improve the stability of DFA towards salts.

DFA is not compatible with anionic products but cationic softness can be used the same bath. Take preliminary test before using any finishing agent with DFA.

Note : The information given here is based on our present state of knowledge and is published without obligation on our part.

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