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Lithography process
1, pre-press preparation: The printed version to review, including: plate thickness, type, color different, color, etc.
2, preparation of printing inks
3, dampening solution preparation: a general dampening solution directly to a blank part of the plate stained erase the dirty, or to overcome the "paste version" of shortcomings.
4, printing paper preparation: offset printing paper, require flexibility of small, non-nap, not off powder, texture, close and with the appropriate degree of smoothness, whiteness properties.
5, the printing environment: in offset printing, the printing environment is an important factor to obtain high-quality products, but are often ignored. Ambient temperature, humidity changes, so that the printing paper, ink, various effects of the phenomenon of static electricity.