Corrugated Cardboard is predominantly used for secondary packaging solutions to contain several primary packs. Corrugate consists of a minimum of 3 layers with the fluting sitting between an inner and outer layer of paper. If the case has a print requirement, the paper used for the print can be white paper or virgin material, if necessary to deliver a required print quality.(These papers are less porous that recycled ones).
The weights and grades of paper and fluting are decided based on set safety factors which take into consideration the weight of the products contained within, the palletization and transport methods for the journey requirements of the case. There are many different flute profiles and case suppliers should run a risk analysis to ensure they select the correct safety factor. The inner paper layer can be virgin or recycled material depending on needs of product.
Smaller flute profiles are used and are stronger than the larger ones, but as more material is used and they are slower to manufacture there is a substantial on cost. Choosing the right material that is fit for purpose is crucial.
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