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Silica Aerogel vs. Glass-bonded Mica

Silica aerogel belongs to the oxide-based engineering ceramics classification, while glass-bonded mica belongs to the glass and glass-ceramics. There are 10 material properties with values for both materials. Properties with values for just one material (13, 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 glass-bonded mica.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 0.1
2.6
Elastic (Young's, Tensile) Modulus, GPa 0.0050
71
Stiffness to Weight: Axial, points 0.028
15
Stiffness to Weight: Bending, points 57
52
Strength to Weight: Axial, points 0.044
4.1
Strength to Weight: Bending, points 1.4
9.7
Tensile Strength: Ultimate (UTS), MPa 0.016
39
Thermal Conductivity, W/m-K 0.016
23
Thermal Expansion, µm/m-K 2.0
6.7
Thermal Shock Resistance, points 110
5.9