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Soda-lime Glass vs. PMQ Rubber

Soda-lime glass and PMQ rubber belong to fundamentally different material chemistries. Soda-lime glass is a ceramic material, while PMQ 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 (17, in this case) are not shown.

For each property being compared, the top bar is soda-lime glass and the bottom bar is PMQ rubber.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 2.4
1.2
Maximum Temperature: Mechanical, °C 300
220
Specific Heat Capacity, J/kg-K 720 to 800
1590
Strength to Weight: Axial, points 4.6 to 20
1.9
Strength to Weight: Bending, points 11 to 28
7.4
Tensile Strength: Ultimate (UTS), MPa 41 to 180
8.0
Thermal Conductivity, W/m-K 1.0 to 1.1
0.23
Thermal Diffusivity, mm2/s 0.51 to 0.6
0.12