Paper machine 6 is a high-production line for the manufacture of white uncoated paper, such as office paper, envelope paper, and uncoated printing paper. The machine, built in 1957, with an working width of 3.4 m trimmed, produced 65,000 tonnes per year at 600 m/min. in the weight per unit area range of 70-160 g/m² up until mid-2011. The line underwent its most recent renovation in 1988. The entire line includes paper pulp treatment equipment, refining equipment, a paper machine, winder and a paper roll packing line.