ASTM C1693

Full Name

ASTM C1693 – Standard Specification for Autoclaved Aerated Concrete (AAC)


This specification covers autoclaved aerated concrete (AAC), a cementitious product based on calcium silicate hydrates in which low density is attained by the inclusion of an agent resulting in macroscopic voids, and in which curing is carried out using high-pressure steam.


AAC; autoclaved aerated concrete; compressive strength; density; moisture content; shrinkage