High-silica Glass vs. Soda-lime Glass

Both high-silica glass and soda-lime 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 high-silica glass and the bottom bar is soda-lime glass.

High-Silica Glass Soda-Lime (Float) Glass

Metric UnitsUS Customary Units

Material Properties

Density, g/cm³		2.4
Density, g/cm³		2.4

Dielectric Strength (Breakdown Potential), kV/mm		34
Dielectric Strength (Breakdown Potential), kV/mm		13

Elastic (Young's, Tensile) Modulus, GPa		78
Elastic (Young's, Tensile) Modulus, GPa		70 to 71

Stiffness to Weight: Axial, points		19
Stiffness to Weight: Axial, points		16

Stiffness to Weight: Bending, points		61
Stiffness to Weight: Bending, points		56

Thermal Expansion, µm/m-K		0.6 to 0.75
Thermal Expansion, µm/m-K		8.8 to 9.0

High-silica Glass vs. Soda-lime Glass

Material Properties

Find Materials

Table of Contents