Ampac flexibles, cincinnati, oh, offers a solventless overwrap lamination for primary or secondary packaging applications. Flexifree 6836 is said to be well suited for applications requiring excellent barrier but where the highest performance characteristics provided by foilbased structures are not needed. The lamination comprises outer to inner 48ga polyster48ga metallized polyester0.0015in. Lldpe this layer enhances puncture resistance and seal characteristics. The clear top polyester layer can be flexo printed on the reverse side to provide a graphic billboard in up to ten colors.