Assertion: concrete's density | /r/HasProperty | around 2000 kg/m³
Facets:
Source sentences:
text: The density of solid clay bricks is around 2000 kg/m³: this is reduced by frogging, hollow bricks, and so on, but aerated autoclaved concrete, even as a solid brick, can have densities in the range of 450–850 kg/m³.