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ZA-12 vs. ECO Rubber

ZA-12 and ECO rubber belong to fundamentally different material chemistries. ZA-12 is a metal, while ECO rubber is a polymeric material. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 13 material properties with values for both materials. Properties with values for just one material (23, 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 ECO rubber.

Metric UnitsUS Customary Units

Mechanical Properties

Compressive (Crushing) Strength, MPa 230 to 270
21
Elastic (Young's, Tensile) Modulus, GPa 83
0.0075
Elongation at Break, % 1.6 to 5.3
440
Poisson's Ratio 0.26
0.49
Shear Modulus, GPa 33
2.5
Tensile Strength: Ultimate (UTS), MPa 260 to 400
16

Thermal Properties

Maximum Temperature: Mechanical, °C 100
130
Thermal Expansion, µm/m-K 24
650

Otherwise Unclassified Properties

Density, g/cm3 6.0
1.5

Common Calculations

Stiffness to Weight: Axial, points 7.6
0.0029
Stiffness to Weight: Bending, points 24
4.5
Strength to Weight: Axial, points 12 to 19
3.0
Strength to Weight: Bending, points 15 to 20
9.5