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ZA-12 vs. EPDM Rubber

ZA-12 and EPDM rubber belong to fundamentally different material chemistries. ZA-12 is a metal, while EPDM rubber is a polymeric 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. 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 ZA-12 and the bottom bar is EPDM rubber.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 6.0
1.0
Elongation at Break, % 1.6 to 5.3
400
Maximum Temperature: Mechanical, °C 100
160
Specific Heat Capacity, J/kg-K 450
2000
Strength to Weight: Axial, points 12 to 19
3.6
Strength to Weight: Bending, points 15 to 20
12
Tensile Strength: Ultimate (UTS), MPa 260 to 400
13
Thermal Conductivity, W/m-K 120
0.2
Thermal Diffusivity, mm2/s 43
0.1