MakeItFrom.com
Menu (ESC)

Silica Aerogel vs. Sandstone

Silica aerogel belongs to the oxide-based engineering ceramics classification, while sandstone belongs to the natural stone. There are 12 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is silica aerogel and the bottom bar is sandstone.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 0.0050
38
Poisson's Ratio 0.2
0.25
Shear Modulus, GPa 0.0030
15
Tensile Strength: Ultimate (UTS), MPa 0.016
4.0

Thermal Properties

Thermal Conductivity, W/m-K 0.016
5.6
Thermal Expansion, µm/m-K 2.0
10

Otherwise Unclassified Properties

Density, g/cm3 0.1
2.6

Common Calculations

Stiffness to Weight: Axial, points 0.028
8.1
Stiffness to Weight: Bending, points 57
43
Strength to Weight: Axial, points 0.044
0.43
Strength to Weight: Bending, points 1.4
2.1
Thermal Shock Resistance, points 110
0.75