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Beryllia vs. Zircon

Both beryllia and zircon are oxide-based engineering 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 beryllia and the bottom bar is zircon.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 2.9
3.9
Dielectric Constant (Relative Permittivity) At 1 MHz 6.6
8.8
Dielectric Strength (Breakdown Potential), kV/mm 11
7.9
Flexural Strength, MPa 240
450
Maximum Temperature: Mechanical, °C 1750
1650
Strength to Weight: Axial, points 14
21
Strength to Weight: Bending, points 21
25
Tensile Strength: Ultimate (UTS), MPa 140
290
Thermal Conductivity, W/m-K 270
3.5
Thermal Expansion, µm/m-K 8.0
5.0