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GM-120 Glass Ceramic vs. Lead-alkali-silica Glass

Both GM-120 glass ceramic and lead-alkali-silica glass are glass and glass-ceramics. There are 7 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is GM-120 glass ceramic and the bottom bar is lead-alkali-silica glass.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 2.5
3.1
Elastic (Young's, Tensile) Modulus, GPa 56
67
Electrical Resistivity Order of Magnitude, 10x Ω-m 10
12
Flexural Strength, MPa 57
34
Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 52
43
Thermal Expansion, µm/m-K 9.5
9.0