Linerboard
The flat paper glued to each face of the fluted medium.
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Related terms
- Medium
- The paper that is fluted on the corrugator and sits between the liners.
- Combined board
- The finished corrugated sheet: one or more fluted mediums glued between flat liners.
- Basis weight
- The weight of a fixed area of paper, in the US usually pounds per thousand square feet (lb/MSF).
- Print surface
- How flat and smooth the outer liner is for printing.
Definitions written by Packgent, last reviewed 2026-10-27. All terms.