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Corrugated fiberboard, corrugated cardboard, or corrugate is a type of paper packaging material consisting of a fluted corrugated sheet and one or two flat linerboards. It is used for making corrugated boxes. Corrugated (also called pleated) paper was patented in England in 1856, but corrugated for use in shipping material was not patented until 1871. Several properties and characteristics can be measured for

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