Introduction to printing ink
Ink should be a bright color, good printability, suitable drying rate. In addition, should have a certain resistance to solvents, acids, alkalis, water, light, heat and other applications ... As the printing, paper, and other requirements, such as higher ink requirements specification was also increased. Modern high-speed multi-color presses and various color rotary press, requires ink to dry much faster than even a few seconds. Glass cards and gold and silver cards, coated paper required light ink. Printed plastic film, requires good combined with plastic film; or the maximum together with adhesive plastic film attached to the ink. Printing Special printed materials, requires the use of photosensitive ink and so on.