Plasterboard Size:1,200/1,220 x 2,400/2, ... : 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, ... 00.1ExternalIr≤1.30.1NoteExecutive Standard : GB/T 9775-2007 Plasterboard