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Cordierite vs. High-silica Glass

Cordierite belongs to the oxide-based engineering ceramics classification, while high-silica glass belongs to the glass and glass-ceramics. There are 8 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is cordierite and the bottom bar is high-silica glass.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 2.0 to 2.2
2.4
Dielectric Strength (Breakdown Potential), kV/mm 7.7
34
Elastic (Young's, Tensile) Modulus, GPa 62
78
Electrical Resistivity Order of Magnitude, 10x Ω-m 9.5
12
Flexural Strength, MPa 17 to 32
34
Stiffness to Weight: Axial, points 15 to 17
19
Stiffness to Weight: Bending, points 59 to 67
61
Thermal Expansion, µm/m-K 2.9 to 4.8
0.6 to 0.75