the crystallization

Phenomenon: when the overprint after dry ink on the bottom may make after India ink trapping can not get, even if reluctantly and India, can easily be erased.

The reason for this is the first because of the ink containing desiccant excessive ink drying too fast, printed after the interval is too long, the ink film formed on the surface due to smooth the dura mater, under a layer of ink to ink difficulties.

Approach (1) reasonable grasp overprint interval prior printing ink is completely dry before the next color ink printed.

        (2) to reduce ink desiccant volume, slow down the drying rate of ink.

        (3) If the occurrence of crystallization can be printed on the first resin binder or a 05-90 light syrup be remedied