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EPDM Rubber vs. PS

EPDM rubber belongs to the thermoset elastomers (rubber) classification, while PS belongs to the thermoplastics. There are 11 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elongation at Break, % 400
1.8 to 40
Tensile Strength: Ultimate (UTS), MPa 13
32 to 44

Thermal Properties

Glass Transition Temperature, °C -60
100
Maximum Temperature: Decomposition, °C 290
320 to 330
Maximum Temperature: Mechanical, °C 160
70
Specific Heat Capacity, J/kg-K 2000
1250 to 1400
Thermal Conductivity, W/m-K 0.2
0.14 to 0.22

Otherwise Unclassified Properties

Density, g/cm3 1.0
1.0

Common Calculations

Strength to Weight: Axial, points 3.6
8.5 to 12
Strength to Weight: Bending, points 12
22 to 26
Thermal Diffusivity, mm2/s 0.1
0.11 to 0.15