This document provides properties and values for autoclaved aerated concrete (AAC) blocks including a density between 551-650 kg/cum, a compressive strength of at least 30 kg/cm2, a thermal conductivity of 0.162 W/mK, resistance to fire for 2-6 hours depending on thickness, drying shrinkage of 0.1%, and a design gross density of 850 kg/cum. It also lists relevant BIS standards and notes AAC blocks have good workability.
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1. PROPERTIES VALUES
Density (Oven Dry)
Compressive Strength
Thermal Conductivity ( K Value)
Resistant to Fire
Drying Shrinkage
Design Gross Density
551 - 650 Kg/Cum
Minimum 30 Kg/cm2
0.162 W/mK (avg)
2 - 6 hrs depending upon Thickness
0.1 %
850 Kg/Cum. (appx.)
Relevant B.I.S Standards: