Chalk (soft calcareous) vs Granite (typical)
Property comparison of Chalk (soft calcareous) and Granite (typical), both stone.
| Property | Chalk (soft calcareous) | Granite (typical) | Difference |
|---|---|---|---|
| Poisson ratio | 0.3 | 0.28 | -7% |
| Density | 1,800 kg/m³ | 2,700 kg/m³ | +50% |
| Thermal conductivity | 1.2 W/m·K | 3 W/m·K | +150% |
| Specific heat | 840 J/kg·K | 790 J/kg·K | -6% |
| Coefficient of thermal expansion | 0.000012 1/K | 0.000008 1/K | -33% |
Difference is Granite (typical) relative to Chalk (soft calcareous). Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
- standard
- ASTM D7012
- standard
- ASTM
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