The material used for the super structure of rigid boxes. Usually made from recycled paper products. The recycled material is ground and combined with other materials in a mixer-beater to make pulp. The pulp is then spread on a special conveyor belt to remove excess water. Also known as chipboard or newsboard
Paperboard used for fabricating boxes. Different boxboard grades are classified as to the composition of the top liner, filler (middle layer), and back liner. It includes folding b-- (cereal boxes), setup b-- (shoe boxes), and foodboard (milk cartons).