At present there is a trend to use water-based ink, but with the solvent ink process run faster than the water-based ink, because of volatile solvents, prejudicial to the ink factory dryness.

• 目后有趋向搁置水性不朱，但搁置溶剂不朱的工艺运行速率会比水性不朱迟得多，因为溶剂的挥发利于油不朱的厂燥。