Materials:Cement, Quartz sand, Paper plug Size:1200 x 2400/1220 x 2440mm Thickness:6mm, 9mm, 10mm, 12mm, 18mm Density: ≥ 1200 kg/m3 Moisture content:≤ 10% Fire resistance:ASTM E84, E119, British Standard,part 4, part 7, part 22. Application: False Ceiling Internal Walls - Half Height/Full Height Internal Wall Lining Eaves and Staff Lining Pre-fabricated Shelter-Internal/External walls Superior Performance: 1.100% free from asbestos ,formaldehyde ,absolutely eco-friendly and healthy 2.Superior fire resistance and waterproof properties 3.High strength , reliable and not easily broken 4.Stable in size with high distortion resistance 5.Excellent sound insulation and heat insulation performance 6.Long service life with good durability