De hævdede, at multiplekspapir og multiplekskarton har andre fysiske kendetegn som f.eks. flere lag, større stivhed og lavere massefylde, og at den endelige anvendelse for disse varer er anderledes, eftersom de normalt bruges til foldepap og emballage.
They claimed that multi-ply paper and multi-ply paperboard had different physical characteristics such as multiple plies, higher stiffness and lower density and that the final use of these products was different as these are usually used for folding carton and packaging applications.