Generally this needs to be dealt with first. You can treat it with treated water first and then apply ink.
As for treating water, it is generally polyester resin and ketone solvents.
Then match the ink. Acrylic resin can be used.
If the customer does not accept processing, polyester resin and isocyanate can be used as a self-drying two-component.
Ink: Ink (printing ink) is an important material used for printing. It expresses patterns and text on the substrate through printing. The ink includes main components and auxiliary components, which are uniformly mixed and rolled repeatedly to form a viscous colloidal fluid. It consists of pigments, binders, additives and solvents. Used for various printing of books, periodicals, packaging and decoration, architectural decoration, etc. As social demand increases, ink varieties and output have also expanded and grown accordingly. Inks mainly include solvent ink, water-based ink, UV ink, screen printing ink, offset printing ink and other types.