Water Proof Gypsum Board: 1,Si600/900/1200X1800/2400/2700 2,good price,good quality 3,regular grade,water proof,fire proof Gypsum BoardThickness: 9, 9.5, 12, 12.5, 15mm..Size:1200X2600,1200X2800,1200X3000mmStandard: KS F3504, JIS A 6901Technical Parameter Testing ItemRequired Data by StandardTypical Data9.5 mm12 mmRupture Load (N)Axial9.5mm≥ 360517 740 12 mm≥ 500Latitudinal9.5mm≥ 14015027012 mm≥ ...