What are the differences and applications between ink printing and ink printing? How to distinguish spot colors?
Cartons generally use watermark grooving machine, the printing plate is a flexible version (also referred to as letterpress printing is direct), the use of water-based ink.
The difference between the two inks is that the ink's connecting material and auxiliary material are different from those of the printing press. Cmyk is the basic color of printing, the use of spot color is to expand the range of color gamut, supplement the basic color gamut of CMYK, improve the quality of printed matter.
The label color box is usually printed by adhesive printing (offset printing, indirect printing). It is made of blanket and printed with solvent offset ink.