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Baria-alkali-silica Glass vs. Borosilicate Glass

Both baria-alkali-silica glass and borosilicate glass are glass and glass-ceramics. There are 10 material properties with values for both materials. Properties with values for just one material (19, in this case) are not shown.

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

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 3.0
2.2 to 2.6
Dielectric Constant (Relative Permittivity) At 1 Hz 7.0
4.8 to 5.5
Elastic (Young's, Tensile) Modulus, GPa 80
67 to 80
Electrical Dissipation At 1 Hz 0.0034
0.0026 to 0.018
Electrical Dissipation At 1 MHz 0.0022
0.0017 to 0.0088
Electrical Resistivity Order of Magnitude, 10x Ω-m 12
9.0 to 12
Flexural Strength, MPa 34
34 to 69
Stiffness to Weight: Axial, points 15
15 to 17
Stiffness to Weight: Bending, points 48
55 to 61
Thermal Expansion, µm/m-K 9.5
3.3 to 5.1