Abstract: In a zig-zag folded stack of paper web, particularly a stack of recycling paper web, wherein at least one fold of the zag folded stack of paper web is provided with a perforation-tie-row, wherein the ties of the fold coupled to folding-web-she folded above one another, wherein the fold tie in the perforation, each, comprise a maximal longitudinal direction [respective] in the longitudinal fold direction, it is provided that at least one section of a fold comprises a perforation-fold-row of at least five alternatingly arranged ties and perforations, wherein a ratio of a summed up combined longitudinal extension of the folding ties within the section in relation to a summed up combined longitudinal extension of the perforations of the same number within the folding section is larger than or equal to 0.8, preferably larger than or equal to 1.