Corrugated fiberboard, or combined board, has two main components: the linerboard and the medium. Both are made of a special kind of heavy paper called containerboard. Linerboard is the flat facing that adheres to the medium. The medium is the wavy, fluted paper in between the liners.
The following illustrations demonstrate the four types of combined board:
Single Wall
The medium is between two sheers
of linerboard. Also known as Double Face.
Triple Wall
Four sheers of linerboard with
three mediums in between.
Single Face
One medium is glued to one flat
sheet of linerboard.
Double Wall
Three sheets of linerboard wirh two
mediums in between.
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