Drywall (also known as plasterboard, wallboard, sheet rock, gypsum board, or gypsum panel) is a panel made of calcium sulfate dihydrate (), with or without additives, typically extruded between thick sheets of facer and backer paper, used in the construction of interior walls and ceilings.
production of plaster from gypsum deposits in south jordan. Apr 11, 2014 ... The influence of the water to plaster ratio, gypsum powder size, water tem ... Keywords: gypsum calcination, setting time, admixtures, morphology, bending breaking. ... The size of gypsum fed .