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| Silica aerogel monolith | ||||
| Chemical composition: SiO2, %Solids: 5%, Particle size: 2-5 nm, Pore size: 20 nm | ||||
| Property | Value in metric unit | Value in US unit | ||
| Density | 0.11 *10³ | kg/m³ | 6.9 | lb/ft³ |
|---|---|---|---|---|
| Internal Surface Area | 800 | m²/g | 3.9*106 | ft²/lb |
| Modulus of elasticity | 0.03 | GPa | 4.4 | ksi |
| Poison ratio | 0.2 | - | 0.2 | - |
| Tensile strength | 0.016 | MPa | 2.32 | psi |
| Fracture toughness | 0.8 | kPa*m½ | 0.8 | kPa*m½ |
| Thermal expansion | 2.7*10-6 | ºCˉ¹ | 1.5*10-6 | in/(in* ºF) |
| Thermal conductivity (100ºF/38ºC) | 0.013 | W/(m*K) | 0.09 | BTU*in/(hr*ft²*ºF) |
| Dielectric constant | 1.1 | - | 1.1 | - |