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Soda-lime Glass vs. High-silica Glass

Both soda-lime glass and high-silica glass are glass and glass-ceramics. There are 6 material properties with values for both materials. Properties with values for just one material (20, in this case) are not shown.

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

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 2.4
Dielectric Strength (Breakdown Potential), kV/mm 13
Elastic (Young's, Tensile) Modulus, GPa 70 to 71
Stiffness to Weight: Axial, points 16
Stiffness to Weight: Bending, points 56
Thermal Expansion, µm/m-K 8.8 to 9.0
0.6 to 0.75