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Infrared Transmitting Glass vs. Soda-lime Glass

Both infrared transmitting glass and soda-lime glass are glass and glass-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 infrared transmitting glass and the bottom bar is soda-lime 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
70 to 71
Poisson's Ratio 0.28 to 0.3
0.23
Refractive Index 1.8 to 2.1
1.5
Specific Heat Capacity, J/kg-K 360 to 430
720 to 800
Stiffness to Weight: Axial, points 2.3 to 7.3
16
Stiffness to Weight: Bending, points 20 to 28
56
Thermal Conductivity, W/m-K 0.0060 to 0.23
1.0 to 1.1
Thermal Diffusivity, mm2/s 0.0029 to 0.14
0.51 to 0.6
Thermal Expansion, µm/m-K 9.0 to 17
8.8 to 9.0