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GM-120 Glass Ceramic vs. Glass-bonded Mica

Both GM-120 glass ceramic and glass-bonded mica are glass and glass-ceramics. There are 10 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is GM-120 glass ceramic and the bottom bar is glass-bonded mica.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 2.5
2.6
Dielectric Strength (Breakdown Potential), kV/mm 11
20
Elastic (Young's, Tensile) Modulus, GPa 56
71
Electrical Resistivity Order of Magnitude, 10x Ω-m 10
10
Flexural Strength, MPa 57
79
Maximum Thermal Shock, °C 110
110
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 52
52
Thermal Conductivity, W/m-K 3.0
23
Thermal Expansion, µm/m-K 9.5
6.7