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Ionomer vs. EPDM Rubber

Ionomer belongs to the thermoplastics classification, while EPDM rubber belongs to the thermoset elastomers (rubber). There are 6 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is ionomer and the bottom bar is EPDM rubber.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 0.94
1.0
Elongation at Break, % 350
400
Maximum Temperature: Mechanical, °C 75
160
Strength to Weight: Axial, points 11
3.6
Strength to Weight: Bending, points 26
12
Tensile Strength: Ultimate (UTS), MPa 37
13