| abstract |
The invention relates to a method for producing paper-covered absorbent cardboard, which are further processed in particular coasters for the food and beverage industry. In this case, an air-dry paper with a mass per unit area of 20 g / m2 to 60 g / m2 on a weakly dewatered, from 70% to 100% groundwood and 0% to 30% waste paper existing, forming paperboard web launched and in conjunction with this at a speed of 6 m / min to 12 m / min passed through the Gautschpartie, press section and dryer section. Subsequently, the paper-covered boards are cut to format, if necessary greased and possibly printed. |