Basis weight is the strength of a box. The higher the basis weight the stronger the box will be.
To figure out basis weight , you must know the liners and medium first.
Basis weight = (Medium X 1.4)+ Liner + Liner
When producing a box. The sheets are put onto a corrugator, also known as a “Gator” which cuts the sheet down to the correct size before going to the other
manufacturer ‘s machines.
The wavy part on a corrugated box is the “medium” paper. A single wall box consist of two liners and a medium. The wave height and length is called the flute. “C” flute is the most common.