Dag Printing Inks Co. Manufactures Gravure HR Inks for Coextruded Polypropylene Film. Dag Printing Inks Co. Also manufactures Flexible-packaging inks, Rotogravure and Flexographic Liquid Inks. Gravure HR Inks for Coextruded Polypropylene Film are available with multipurpose applications on various substrates. These inks are used extensively in the fast growing multi-layered film, laminates and disposable packaging industry. It has excellent adhesion properties. It has high print density. These printing inks can be used in printing on different things, like Papers, Foils, Boards, HDPE/PP woven sack and metalized PVC/PET/ paper.