Ester-Solvent Printing Ink,print OPP(CPP,BOPP),PE,PA,AL foil,Itprint Potato chips bag for double-layers ... ink, boiling and steaming funciton are according to ink, adhesive, film and laminating composition, please do the experiments and confirm the ... , printing materials should be placed 24 hours, and then laminate ,it will improve laminating degree. Ester-solvent Gravure Inner Printing Ink-PE Film