Cordierite vs. Infrared Transmitting Glass

Cordierite belongs to the oxide-based engineering ceramics classification, while infrared transmitting glass belongs to the glass and glass-ceramics. There are 9 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is cordierite and the bottom bar is infrared transmitting glass.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm³		2.0 to 2.2
Density, g/cm³		4.4 to 4.8

Elastic (Young's, Tensile) Modulus, GPa		62
Elastic (Young's, Tensile) Modulus, GPa		18 to 63

Flexural Strength, MPa		17 to 32
Flexural Strength, MPa		20 to 79

Specific Heat Capacity, J/kg-K		800 to 850
Specific Heat Capacity, J/kg-K		360 to 430

Stiffness to Weight: Axial, points		15 to 17
Stiffness to Weight: Axial, points		2.3 to 7.3

Stiffness to Weight: Bending, points		59 to 67
Stiffness to Weight: Bending, points		20 to 28

Thermal Conductivity, W/m-K		1.3 to 1.7
Thermal Conductivity, W/m-K		0.0060 to 0.23

Thermal Diffusivity, mm²/s		0.74 to 1.0
Thermal Diffusivity, mm²/s		0.0029 to 0.14

Thermal Expansion, µm/m-K		2.9 to 4.8
Thermal Expansion, µm/m-K		9.0 to 17

Cordierite vs. Infrared Transmitting Glass

Material Properties

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