... gypsum board, Features: 1) Size: 600 x 600mm, 603 x 603,595 x 595mm 2) Thickness:7.5mm, 8mm, 8.5mm, 9mm PVC Gypsum ... BoardProduct date:Material: High quality paper-faced gypsum boardSurface ... : 600 x 600mm, 600 x 1,200mm ,603 x 603,595 x 595mm(2) Thickness: 7.5mm, 8mm, 8.5mm, 9mm ... .(5)Not easy to sag(6)Easy to wash. Fireproof gypsum board