However, it’s not all that easy: prerequisites include good nozzle flow rates and ideal drying properties also with high printing speeds. On top of this, the ink jet must correspond to the requirements for minimum dimensions, feature good adhesion and no misting. As a result, the selection of printing ink/varnish requires a lot of experience that many companies in the industry have now acquired.
There is that occasional call for abolishing mandatory Braille application on selected packaging. These costs could be saved by electronic labelling, some say, arguing that this would also allow users who can neither read the alphabet nor Braille, like the elderly whose vision has impaired over the years, to obtain the desired information.