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Infrared Transmitting Glass vs. Glass-bonded Mica

Both infrared transmitting glass and glass-bonded mica are glass and glass-ceramics. There are 9 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

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

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 4.4 to 4.8
2.6
Elastic (Young's, Tensile) Modulus, GPa 18 to 63
71
Flexural Strength, MPa 20 to 79
79
Specific Heat Capacity, J/kg-K 360 to 430
500
Stiffness to Weight: Axial, points 2.3 to 7.3
15
Stiffness to Weight: Bending, points 20 to 28
52
Thermal Conductivity, W/m-K 0.0060 to 0.23
23
Thermal Diffusivity, mm2/s 0.0029 to 0.14
18
Thermal Expansion, µm/m-K 9.0 to 17
6.7