In offset printing, the layout is not ink. What's the matter?
Ink viscosity. Offset process if the ink viscosity is too large, in addition to the ink transfer difficulties, but also damage the ink layer fracture conditions, lack of the residual ink layer layout, the result is the bare plate graphic part wear, resulting in a fall edition.
Inking roller. The inking roller after aging, enhance the hydrophilicity, performance and pro ink ink transfer performance weakened, poor, in the process of mechanical rolling, the formation of "ink emulsification of oil in water type, resulting in a printing plate greasy and graphic part fall edition.
In addition, if the ink is too small to layout in the layout of the plate on the pressure, not enough ink, ink transfer layer is thin, the graphic part will wear, resulting in a fall edition. The rollers and plates between the pressure is too large, will accelerate the wear plate layout and part of the printing plate mesh, the destruction of the printing plate empty part of the dirty part, floating off version graphic, form fault.
