Do you know how corrugated cardboard was made ?
In 1884, Swedish chemist, Carl F. Dahl, developed a process for pulping wood chips into a strong paper that resists tearing, splitting, and bursting. He named it the Kraft process because it produces a strong paper that resists tearing, splitting, and bursting. Corrugated board production line mainly includes the following machines:corrugated single side unit,double sided […]