Gypsum board production line Detailed Product DescriptionGypsum slurry is made up from plaster of Paris (calcined gypsum powder), water and other additives, such as starch, foaming agent, in a continuous mixer. This slurry spreads from spouts of mixer onto a moving sheet of paper. Gypsum board formed through panel extrusion forming machine with back-front two layers paper. Once formed, the gypsum ...