3 Ply Corrugated Box

Corrugated box design is the process of matching design factors for corrugated fiberboard boxes with the functional physical, processing and end-use requirements. Packaging engineers work to meet the performance requirements of a box while controlling total costs throughout the system.

GSM means grams per square meter, If corrugated boxes we need to know ply of the carton. Ply means how many layers used in the box. Dip the cut piece of 10cm square ( after that need to convert meter) in water and peel off layer one by one.

According to Paramelt, makers of adhesives for cardboard manufacturers, there are three basic types of packaging cardboard: graphic cardboard, solid cardboard and corrugated cardboard. Transport Information Service, a cargo management service, also classifies non-packaging cardboard.

Cardboard typically refers to a thick paper stock or heavy paper-pulp. You can see this type of material used for cereal boxes or greeting cards. … Corrugated is made up of three layers of paper that includes an inside liner, an outside liner, and fluting with a ruffled shape, which runs in between the two.

Box Strength. The strength of a corrugated box starts with its material. … The stamp identifies the material as “singlewall,” “doublewall” or “triplewall.” It also certifies the Mullen Bursting Test ( most common is 200 lbs. per square inch) or the Edge Crush Test (ECT 32 lbs. per inch).