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AAC Concrete Panels
Application
AAC concrete panels are also called autoclaved lightweight concrete (ALC Panels). AAC concrete panels can be used as partition board, cladding panel, roof panel, fireproof plate and so on in concrete construction industry, steel structure industry and civil buildings. ALC partition board can be used as separating wall, indoor compartment wall, bathroom wall, etc. ALC partition board is suitable for hanging objects like, air conditioner, water heater, heating radiator, etc. Therefore, ALC partition board is widely used in hotels, schools, motels, office buildings, etc.
ALC cladding panel is widely used as the external wall of each type of buildings due to good heat preservation performance and heat insulation performance.
Parameters
Specific parameters of B05 class ALC panels are listed below:
| Parameters | Unit | ALC Test Value | Testing Standard | Standard Value | |
| Dry Bulk Density | Kg/m2 | 512 | GB/T11970-1997 | ±50 | |
| Compressive Strength of Cube (Average Value) | MPa | ≥4.0 | GB/T11971-1997 | ≥2.5 | |
| Drying Shrinkage Coefficient | mm/m | ≤0.3 | GB/T11972-1997 | ≤0.8 | |
| Thermal Conductivity (Moisture: 5%) | W/(m·k) | 0.11 | GB/T10295-88 | 0.15 | |
| Frost Resistance | Mass Loss | ％ | 1 | GB/T11973-1997 | ≤5.0 |
| Strength after Freezing | MPa | ≥3.8 | ≥2.0 | ||
| Impact Resistance (No cracking on the back after stroke by 30Kg sandbag) | Time | ≥7.0 | JC666-1997 | 3 | |
| Single Point Hanging Load | N | 1200 (Thickness: 100mm) | JC666-1997 | ≥800 | |
| 1500 (Thickness: 125mm) | |||||
| Bonding strength Between Steel Bar and ALC Panels. | Mpa | Average Value: 3.5 | GB/T15762-1995 | ≥0.8 | |
| Minimum Value: 2.8 | ≥0.5 | ||||
| Fire Resistance Limit of ALC Panels | Hour | 100mm Wall>3.62 | GB/T T9978-1999 | ||
| 125mm Wall ＞4.0 | |||||
| Fire Resistance Limit of 50 mm ALC Panels for Protecting The Steel Column | Hour | ＞4.0 | GB/T T9978-1999 | 4 | |
| Fire Resistance Limit of 50 mm ALC Panels for Protecting The Steel Beam | Hour | ＞3.0 | GB/T T9978-1999 | 3 | |
| Water Softening Coefficient (r/R) | ％ | 0.88 | GB/T11970-1997 | ||
| Average Sound Reduction Index | 100 mm ALC Panel + Two Sides Putty | dB | 40.8 | GBJ75-84 GBJ121-88 | |