Production method of corrugated cardboard for packaging from pulp comprising NSSC paste and corrugated cardboard

摘要

Method of producing a corrugated cardboard for packaging, comprising the step of pressing a web formed by a paste comprising NSSC paste in a shoe press, in which the line load in the shoe press is greater than 1,200 kN / m, such as greater than 1,300 kN / m, such as greater than 1,400 kN / m and in which the geometric SCT index according to the ISO 9895 standard of corrugated cardboard for packaging is greater than 37 Nm / g, such as at least 38 Nm / g, such as at least 40 Nm / g and in which at least 50% dry weight of the paste is NSSC paste.