| Properties | Result | Report | 
                
                  | Density | 1150 kg/m³ |  | 
                
                  | Weight | 15 kg/m² per 12.5mm thick board |  | 
                
                  | Curvature Radii (Size of board 1830mm by 920mm)
 | 
                      6.5mm thick – approx. R 550mm 9.5mm thick – approx. R 650mm 12.5mm thick – approx. R 750mm |  | 
                
                  | Material Composition | 
                      Portland Cement ( ~ 31% by weight)
 
Lightweight aggregates ( ~ 27% by weight)
Fly ash ( ~ 13% by weight)Bottom ash (~ 19% by weight)Water ( ~ 8% by weight)Fibreglass mesh on board ( ~ 2%by weight)
 |  | 
                
                  | Non-Combustibility Test | Pass | B.S. 476: Part 4 | 
                
                  | Fire Propagation Test | Class 0 | B.S. 476: Part 6: 1989 | 
                
                  | Surface Spread Flame Test | Class 1 | B.S. 476: Part 7: 1997 | 
                
                  | Fire Rated Test (100mm thick wall)
 | Passed 1.5 Hour | B.S. 476: Part 22: 1987 | 
                
                  | Fire Rated Test (155mm thick wall)
 | Passed 2.5 Hour | B.S. 476: Part 22: 1987 | 
                
                  | Sound Acoustic Test (100mm thick wall)
 | STC 51 | ASTM E90 ISO 140 Part 3
 | 
                
                  | Sound Acoustic Test (155mm thick wall)
 | STC 58 | ASTM E90 ISO 140 Part 3
 | 
                
                  | Resistance To Axial Withdrawal of Screw at Each Point
 | 38kg | B.S. EN 320: 1993 | 
                
                  | Moisture Content | 4.48% | B.S. EN 322: 1993 | 
                
                  | Swelling in Thickness After Immersion in Water
 | 0.31% | B.S. EN 317: 1993 | 
                
                  | Fungus Resistance | No Growth | ASTM G21-96 | 
                
                  | Tile Bonding Strength Test (Pull Out Test)
 | 0.15 N/mm² | PSB Report: 54S055394/1F/NLH
 | 
                
                  | Impact Strength Test | 16 mm/mm | B.S. 5669: Part 1: 1989 | 
                
                  | Flexural Strength Test | Longitudinal Axis: 7.75 N/mm² Right Angle: 11.68 N/mm²
 | B.S. EN 310: 1993 | 
                
                  | Strength & Robustness Test (100mm thick wall)
 
 Stiffness test, small hard body impact test,
 large soft body impact test & door slamming test
 
 Crowd pressure 3 KN/m, lightweight anchorage (pull out 10kg & pull down 25kg) & heavy weight anchorage (wash basin 150kg & wall cupboard 400kg)
 | Pass (Note: No crackline observed between board to board joints)
 | B.S. 5234: Part 2: 1992 & SS 492: 2001
 | 
                
                  | Heat & Rain Test (100mm thick wall)
 | No sign of water penetration and cracklines on the surface | ASTM C1185 | 
                
                  | K – value (12.5mm thick)
 | 0.39 m²· K/W |  | 
                
                  | Linear Variation Test Submersion in water 24hr | 0.01% | ASTM D1037 – 96a | 
                
                  | Emission Rate Tests | Pass (Granted Singapore Green Label Mark) | ASTM D5116 - 06 |