UV inks that can only be printed on paper
This kind of UV ink is not corrosive to the rubber blanket, because the paper can absorb the ink in time. This kind of ink can use UV dual-purpose rubber blanket, when the printing number is not large, some printing plants use ordinary rubber blanket instead.
Although UV inks for printed paper cannot be used for printing plastic substrates, plastic printing UV inks can be used for paper. The surface of many gold and silver cardstock has a film, so it is necessary to confirm the type of paper and ink when printing.
UV ink that can be printed on plastic
Due to the good leveling of the ink on the plastic, it will cause the dot to increase seriously, so some polar solvents need to be added to the ink to destroy the surface tension of the film in order to absorb the ink. This makes the ink highly corrosive. At this time, you need a special UV blanket, and can not use dual-purpose blanket, otherwise printing different prints need to change the blanket. It is necessary to note that when using the ink, it is necessary to confirm with the machine manufacturer whether the roller used now meets the requirements, because after less than a few months, the roller will be sticky, and the machine manufacturer often thinks that the machine is caused by improper use of the machine.
