Know the Technology
Dyestuff Ink particle is easily soluble in water and will bleed on the paper, uni Super ink – pigmented ink will bond itself to the paper fibers Once it is settled, it is not soluble in water
The size of uni Super ink particle is larger than Dyestuff Ink. Therefore its surface is less affected and the colour remains vivid.
Difference between structure of molecules. Molecules break down because of the sunlight and air. uni Super ink is difficult to breakdown