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ECO Rubber vs. Grade 5 Titanium

ECO rubber and grade 5 titanium belong to fundamentally different material chemistries. ECO rubber is a polymeric material, while grade 5 titanium is a metal. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 12 material properties with values for both materials. Properties with values for just one material (21, 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 ECO rubber and the bottom bar is grade 5 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 0.0075
110
Elongation at Break, % 440
8.6 to 11
Poisson's Ratio 0.49
0.32
Shear Modulus, GPa 2.5
40
Tensile Strength: Ultimate (UTS), MPa 16
1000 to 1190

Thermal Properties

Maximum Temperature: Mechanical, °C 130
330
Thermal Expansion, µm/m-K 650
8.9

Otherwise Unclassified Properties

Density, g/cm3 1.5
4.4

Common Calculations

Stiffness to Weight: Axial, points 0.0029
13
Stiffness to Weight: Bending, points 4.5
35
Strength to Weight: Axial, points 3.0
62 to 75
Strength to Weight: Bending, points 9.5
50 to 56