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Alkali-lime-silica Glass vs. Limestone

Alkali-lime-silica glass belongs to the glass and glass-ceramics classification, while limestone belongs to the natural stone. There are 6 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown.

For each property being compared, the top bar is alkali-lime-silica glass and the bottom bar is limestone.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 2.7
2.6
Dielectric Strength (Breakdown Potential), kV/mm 28
8.0
Elastic (Young's, Tensile) Modulus, GPa 78
77
Stiffness to Weight: Axial, points 16
16
Stiffness to Weight: Bending, points 53
55
Thermal Expansion, µm/m-K 9.0
8.0