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Pearl pigment appeared over 70 years, the application in printing industry also has a long history, pearl pigment widely used in paper printing, different kinds of printing technology and products, such as lithography, intaglio printing, flexographic printing, letterpress printing, screen printing, etc.

Gravure  printing process in the plate is made by electric carving or corrosion, graphic version of acupuncture point to transfer ink on the plate, the graphic part is smooth. To achieve good pearl effect, it is recommended that the engraving when opening Angle for 120. Version, it is best to use corrosion, solvent ink inking engraving depth of the hole should be controlled in 50 microns. For particle size between 5 ~ 25 microns (average particle size of l2 microns) of pearl pigment, it is recommended to use 70 line/cm engraving parameters; And particle size between 10 to 60 mu m (average particle size of 2 5 microns) high pearl pigment, it is recommended to use 60 line/cm or more hydrophobic engraving parameters.