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Corrugated fiberboard, corrugated cardboard, or corrugated is a type of packaging material consisting of a fluted corrugated sheet and one or two flat linerboards. [1] It is made on "flute lamination machines" or "corrugators" and is used for making corrugated boxes .
Corrugated fiberboard made from paperboard. Paperboard is a thick paper-based material.While there is no rigid differentiation between paper and paperboard, paperboard is generally thicker (usually over 0.30 mm, 0.012 in, or 12 points) than paper and has certain superior attributes such as foldability and rigidity.
Example of cardboard. Cardboard is a generic term for heavy paper-based products. Their construction can range from a thick paper known as paperboard to corrugated fiberboard, made of multiple plies of material. Natural cardboards can range from grey to light brown in color, depending on the specific product; dyes, pigments, printing, and ...
The corrugated cardboard in use is often of the E flute size (micro or fine waves with a flute pitch of 1.0 to 1.8 mm), but thicker B flute cardboard with a flute pitch of 2.2 to 3.0 mm are also used. [9] Not only the geometric construction of the cardboard determines the stability of the box, but also especially the type of paper and its grammage.
Corrugated fiberboard sometimes dress to inpress known as corrugated board or corrugated cardboard, is a combined paper-based material consisting of a fluted corrugated medium and one or two flat liner boards. The flute gives corrugated boxes much of their strength and is a contributing factor for why corrugated fiberboard is commonly used for ...
Simplifications have used a formula involving the board ECT, the board thickness, and the box perimeter. Most estimations do not relate well to other box orientations, box styles, or to filled boxes. In order to calculate the value of BCT ( Box compression test ), the formula of McKee would be the easiest but also the least accurate [ opinion ] .
Typically, cylinder board made from pulp from reprocessed scrap paper is used for most packages. Cartons for food are made from a higher grade and lighter solid sulfate board with plastic coating . Because of the limitations of cutting machinery, the thickness of the board is limited to 0.81 mm (0.032 in), and folding cartons are generally ...
In the packaging industry, the term "fiberboard" is often used to describe a tough kraft-based paperboard or corrugated fiberboard for boxes. [1] "Fiberboard" is also an intermediate product, an output of a pulp mill used as input for a paper mill.