Ester-Solvent Printing Ink,print OPP(CPP,BOPP),PE,PA,AL foil,Itprint Potato chips bag for double-layers inner printing. Characcter:1. ... be blend with other series of ink.2.This series of ink is PU glue series of ink, ester-solvent is ture solvent; ... , printing materials should be placed 24 hours, and then laminate ,it will improve laminating degree. Ester-solvent Gravure Inner Printing Ink-PE ...