Products: Specialty Perforating – Zipper Rule (AKA Tear Edge Rule)

More and more of today’s packaging is being designed with ease of opening in mind. National’s Tear Edge Rule is designed to maintain package integrity through the distribution channel, yet provide a package that opens without need of knives or other tools.

Available in both serrated style for rotary dies and standard for flat dies, National Zipper rule can be ordered in a variety of styles depending on the desired tear strength. Like all National products, zipper rule can be customized to meet your specifications.

National Tear Edge Rule is sold in matching left and right hand sets in standard lengths of 30”, 36” and 1 meter. Serrated Zipper rule is also available notched or curved in all standard diameters. May also be used for tear-off panels or as a glue assist.

For another option regarding easy tearing/opening and also for tear off panels, see our new PERFormaX