Plasterboard Size:1,200/1,220 x 2,400/ ... Building MaterialMain material: gypsum For wall partition and ceiling suspension Four types of plasterboard are available: regular, fire-resistance, moisture-resistance ... and water-resistance plasterboard Normal specification: 1,200/1,220 x 2,400/2 ... ≤1.30.1NoteExecutive Standard : GB/T 9775-2007 Plasterboard