... Gypsum Board: 1,good quality,good price 2,KSF3504,JISA6901 3,regular grade,water proof,fire proof 4,A grade,ISO Fireproof Gypsum ... BoardThickness: 9, 9.5, 12, 12.5, 15mm..Width Size:600/900/1200Length Size:1800/2400 ... weight (kg/m2)≤ 9.5mm7.910.2≤ 12 mm Fireproof Gypsum Board