Zamak 3 vs. Infrared Transmitting Glass

Zamak 3 and infrared transmitting glass belong to fundamentally different material chemistries. Zamak 3 is a metal, while infrared transmitting glass is a ceramic material. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 9 material properties with values for both materials. Properties with values for just one material (29, in this case) are not shown.

For each property being compared, the top bar is Zamak 3 and the bottom bar is infrared transmitting glass.

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Material Properties

Density, g/cm³		6.4
Density, g/cm³		4.4 to 4.8

Elastic (Young's, Tensile) Modulus, GPa		86
Elastic (Young's, Tensile) Modulus, GPa		18 to 63

Poisson's Ratio		0.25
Poisson's Ratio		0.28 to 0.3

Specific Heat Capacity, J/kg-K		410
Specific Heat Capacity, J/kg-K		360 to 430

Stiffness to Weight: Axial, points		7.5
Stiffness to Weight: Axial, points		2.3 to 7.3

Stiffness to Weight: Bending, points		23
Stiffness to Weight: Bending, points		20 to 28

Thermal Conductivity, W/m-K		110
Thermal Conductivity, W/m-K		0.0060 to 0.23

Thermal Diffusivity, mm²/s		43
Thermal Diffusivity, mm²/s		0.0029 to 0.14

Thermal Expansion, µm/m-K		27
Thermal Expansion, µm/m-K		9.0 to 17

Zamak 3 vs. Infrared Transmitting Glass

Material Properties

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