Folding boxboard

FBB construction:
1 - Coating
2 - Bleached chemical pulp
3 - Mechanical pulp
4 - Unbleached/Bleached chemical pulp

Folding boxboard, also referred to as FBB or by the DIN Standard 19303 codes of GC or UC, is a paperboard grade made up of multiple layers of chemical and mechanical pulp.^[1] This grade is made up of mechanical pulp in between two layers of chemical pulp.The top layer is of bleached chemical pulp with an optional pigment coating.^[2] This is a low-density material with high stiffness and has a slightly yellow colour, mainly on the inside. The major end uses of folding boxboard are health and beauty products, frozen, chilled and other foods, confectionaries, pharmaceuticals, graphical uses^[3] and cigarettes.^[4]

See also

• Solid bleached board
• Solid unbleached board
• White lined chipboard

References