Limestone

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Limestone
Categories:	Ceramic
Material Notes:	Sedimentary rock; critical mineral is calcite (CaCO₃, calcium carbonate, 90-100%). Limestone comes in many colors and textures, depending on its precursors. Property values are typical of Limestone used in construction. Actual property values will vary from sample to sample.
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Physical Properties	Original Value	Comments

Density	1.79 - 2.92 g/cc
Moisture Expansion	0.0028 %	Sandstone quartz; Source: Bedford, IN, USA
Porosity	2.6 - 20 %
Permeability	1.0e-9 - 0.010	Aggregation property, d (µ = (-log d))

Mechanical Properties	Original Value	Comments
Hardness, Shore H	10 - 60
Hardness, Mohs	2.0 - 5.0
Abrasive Hardness	2.0 - 24
Tensile Strength, Ultimate	5.00 - 25.0 MPa
Modulus of Elasticity	10.0 - 80.0 GPa
Modulus of Rupture	0.00340 - 0.0359 GPa
Transverse Strength	3.00 - 36.0 MPa
Compressive Strength	2000 - 37000 psi
Impact Toughness	5.00 - 8.60 in/in²

Thermal Properties	Original Value	Comments
CTE, linear	3.40 µm/m-°C @Temperature -20.0 - 20.0 °C
	8.10 µm/m-°C @Temperature 20.0 - 80.0 °C
Specific Heat Capacity	0.500 - 1.86 J/g-°C
Thermal Conductivity	0.800 - 3.30 W/m-K

References for this datasheet.

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BMIN078 / 208

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