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Dyeing principle of basic dyes

Basic dyes in the aqueous solution can be isolated from the colorless anions and colored cations, such as gentian violet, methylene blue and so on. The positively charged molecules of basic dyes bond to the negatively charged compounds in the materials with which these dyes are used.

Basic dyes are known for their wide range of shades, bright color, magnificent fluorescent (mainly rose red, yellow, orange and other colors), their compatibility with synthetic, anionic materials,and strong coloring, with a very small amount of dye can be deep and rich color. Mainly used for cultural and educational supplies, paper coloring and manufacturing of lakes.

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