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EPDM Rubber vs. LDPE

EPDM rubber belongs to the thermoset elastomers (rubber) classification, while LDPE belongs to the thermoplastics. There are 9 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 EPDM rubber and the bottom bar is LDPE.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.0
0.92
Glass Transition Temperature, °C -60
-130
Maximum Temperature: Decomposition, °C 290
400
Specific Heat Capacity, J/kg-K 2000
2300
Strength to Weight: Axial, points 3.6
2.1
Strength to Weight: Bending, points 12
8.8
Tensile Strength: Ultimate (UTS), MPa 13
7.0
Thermal Conductivity, W/m-K 0.2
0.36
Thermal Diffusivity, mm2/s 0.1
0.17