Comprehensive Guide to AAC
Block : Materials, Specifications, and Calculations
- Aeration Compound: 0.05-0.10% - Gypsum: 1-3% - Lime: 10-15% - Cement: 20-25% - Flyash or Sand: 65-70%
Material :
General Size :
- 600*200*75-200
- 625*200*75-100
Thickness :
- 50, 75, 100, 125, 150, 200, 225
Properties &
Specifications
Minimum Compressive Strength:
- 3 to 4.5 N/mm2
Minimum Dry Density:
- 450-650 kg/m3
Thermal Resistance:
- 0.8-1.25 per inch of thickness
Properties & Specifications
Allowable Shear Stress:
- 8-22 psi
Sound Absorption:
- Up to 42 Decibels
Fire Resistance:
- 4 hours
Properties & Specifications
Thermal Conductivity:
- 0.16 to 0.18 W/Mk
Dry Shrinkage:
- 0.04% of the size of AAC block
Properties & Specifications
- Steel saving up to 15%
- Less mortar due to fewer joints
- Breakage less than 2%
- Approximately 30% reduction in air-conditioned load
AAC Block Advantages :