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Soda-lime Glass vs. EPDM Rubber

Soda-lime glass and EPDM rubber belong to fundamentally different material chemistries. Soda-lime glass is a ceramic material, while EPDM rubber is polymeric. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 8 material properties with values for both materials. Properties with values for just one material (15, 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 soda-lime glass and the bottom bar is EPDM rubber.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 2.4
1.0
Maximum Temperature: Mechanical, °C 300
160
Specific Heat Capacity, J/kg-K 720 to 800
2000
Strength to Weight: Axial, points 4.6 to 20
3.6
Strength to Weight: Bending, points 11 to 28
12
Tensile Strength: Ultimate (UTS), MPa 41 to 180
13
Thermal Conductivity, W/m-K 1.0 to 1.1
0.2
Thermal Diffusivity, mm2/s 0.51 to 0.6
0.1