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Infrared Transmitting Glass vs. High-silica Glass

Both infrared transmitting glass and high-silica glass are glass and glass-ceramics. There are 6 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 infrared transmitting glass and the bottom bar is high-silica glass.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 4.4 to 4.8
2.4
Elastic (Young's, Tensile) Modulus, GPa 18 to 63
78
Flexural Strength, MPa 20 to 79
34
Stiffness to Weight: Axial, points 2.3 to 7.3
19
Stiffness to Weight: Bending, points 20 to 28
61
Thermal Expansion, µm/m-K 9.0 to 17
0.6 to 0.75