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Colorant Plays A Connection Role in The Ink

Sep. 14, 2016

Colorants include pigments and dyes. Pigment used by printing inks usually are color material, it also uses some dyes, which are colored fine particulate matter. Pigments generally insoluble in water, not soluble binders, they are suspended state in solution, the dyes are generally soluble in the link material. 

Pigment has a great influence on ink performance, the relative density, transparency, heat resistance, light resistance of ink are related with the pigment. The role of pigment in the ink is obvious, its color determines the ink hue; Its amount determines the concentration of ink; Its use make the ink have a certain consistency, its use affect ink drying properties. 

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