Corrugated paperboard is a multi-layered adhesive, it consists of at least one layer of corrugated paper sandwich (commonly known as "knocksheet", "corrugated paper", "corrugated paper", "corrugated paperboard", "corrugated paper") and a layer. Cardboard (also known as "boardboard", "boardboard"). It has high mechanical strength and can withstand collisions and falls during handling. The actual performance of a corrugated box depends on three factors: the characteristics of the core paper and cardboard and the structure of the carton itself.