tin coated steel for food boxes printing ink has high viscosity. Since the surface of tin coated steel is not permeable, it is prone to dot increase during printing. Compared with inks for paper printing, Tin coated steel printing uses high-viscosity inks.
Tin coated steel printing is transparency. When the beverage tins packaging needs to show the metallic luster of tinplate itself, the transparency of the ink is particularly important. For example, Red Bull beverage tins are printed with transparent golden ink.