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Machinable Glass-ceramic vs. Alkali-lime-silica Glass

Both machinable glass-ceramic and alkali-lime-silica glass are glass and glass-ceramics. There are 11 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
Flexural Strength, MPa 96
34 to 170

Thermal Properties

Thermal Expansion, µm/m-K 21

Electrical Properties

Dielectric Constant (Relative Permittivity) At 1 Hz 6.0
7.1 to 7.5
Dielectric Strength (Breakdown Potential), kV/mm 27
Electrical Dissipation At 1 Hz 0.0049
0.022 to 0.052
Electrical Dissipation At 1 MHz 0.0050
0.0088 to 0.053
Electrical Resistivity Order of Magnitude, 10x Ω-m 14

Otherwise Unclassified Properties

Density, g/cm3 2.7

Common Calculations

Stiffness to Weight: Axial, points 14
Stiffness to Weight: Bending, points 51