Materials: Paper/Cartonboard

Cartonboard is also known as solid board or folding box board.

There are several types in the glossary, but all refer to cartonboard types – FBB (folding box board), SBB (solid bleached board), SBS (solid unbleached board) are common examples.

The premium boards are bleached white with a clay coat outer surface to give high white appearance with exceptional print surface and are used for cosmetic and pharmaceutical products of high value. FBB is the most common option and can be used for food contact when a barrier coating is applied on the inside surface, such as grease resistant coating.

Cartonboard is made up of an outer printed layer and an inner layer with the core being of pulp fiber to provide strength. Virgin fiber board is sometimes used as it offers improved strength due to its structure however, this removes the inclusion of recycled content. The gauge and weight of this virgin fiber board is thinner and lighter for the same strength of recycled boards.

1 = Outer print layer
2 = Pulp layer
3 = Inner layer

Although a combination of materials liquid cartons (Tetra Pak) also fall under this heading, these are becoming more widely recyclable as due to an increase in closed-loop recycling schemes. The foil and PET laminates are being reduced so that over 95% of carton is recyclable.

Bagasse (sugar cane) and molded fiber are also included in Paper / Cartonboard material.

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