What is Corrugated?

Corrugated fiberboard or “combined board” has two main components: the liner and the medium. Both are made of a special kind of heavy paper called containerboard. Linerboard is the flat material, typically on the outer surfaces of the board but also on the inside for some structures, that adheres to the medium. Medium is the paper that is formed into arches or flutes on the single facer and glued between the linerboard facings.

Flutes
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Flutes

Architects have known for thousands of years that an arch with the proper curve is the strongest way to span a given space. The inventors of corrugated fiberboard applied this same principle to paper when they put arches in the corrugated medium. These arches are known as flutes and, when anchored to the linerboard with an adhesive, they resist bending and pressure from all directions.

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When a piece of combined board is placed on its end, the arches form rigid columns, capable of supporting a great deal of weight. The flutes act to keep the linerboard sheets separated, maximizing the bending rigidity of the board. When pressure is applied to the side of the board, the space in between the flutes acts as a cushion to protect the container’s contents. The flutes also serve as an insulator, providing some product protection from sudden temperature changes. At the same time, the vertical linerboard provides additional strength and protects the flutes from damage. 
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Most commonly, individuals seek the help of a financial advisor for retirement planning. But they can do much more than that. You can get help with college savings, work on household finances and even get out of debt with the help of a financial advisor.

Most commonly, individuals seek the help of a financial advisor for retirement planning. But they can do much more than that. You can get help with college savings, work on household finances and even get out of debt with the help of a financial advisor.

Most commonly, individuals seek the help of a financial advisor for retirement planning. But they can do much more than that. You can get help with college savings, work on household finances and even get out of debt with the help of a financial advisor.

Most commonly, individuals seek the help of a financial advisor for retirement planning. But they can do much more than that. You can get help with college savings, work on household finances and even get out of debt with the help of a financial advisor.

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