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The printing ink, which shows the graphic image and color, is a kind of chemical substance with plastic deformation and fluidity. According to the transfer of the ink roller, apply the adhesive on the paper of printing plate, print the ink with organzine, transfer it to the paper and dry it in the solid state after film generation.

Key index value of offset printing suitability: fixedness, dryness, degree of dyeing, particle size, viscosity, fluidity, acid resistance, alkali resistance, moisture resistance and light resistance, etc.

With the rate promotion of offset machine and appearance of multicolor machine, the fixedness of the fast-fixed printing ink becomes more and more important. The packaging and printing rate for multicolor machine is about 8000 pieces/hour, and it will be transferred to the second-color packaging and printing with 0.5s.

It generally takes 4 hours for the imprint dryness of printing ink. The printing ink may have the film on the glue sticks in the initial dryness period, and it will cause the inconvenience for the printing and clean.


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