NBR Rubber Vs. EPDM Rubber

Home>Thermoset Elastomer (Rubber)Up Two>NBR RubberUp OneNBR Rubber vs. EPDM Rubber

Both NBR rubber and EPDM rubber are thermoset elastomers (rubber). There are 10 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

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

Acrylonitrile (Nitrile) Butadiene Rubber (NBR, Buna-N)Ethylene Propylene Diene Rubber (EPDM, EPT)Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.3
1.0
Elongation at Break, % 380
400
Glass Transition Temperature, °C -30
-60
Maximum Temperature: Mechanical, °C 110
160
Specific Heat Capacity, J/kg-K 1350
2000
Strength to Weight: Axial, points 3.9
3.6
Strength to Weight: Bending, points 12
12
Tensile Strength: Ultimate (UTS), MPa 18
13
Thermal Conductivity, W/m-K 0.25
0.2
Thermal Diffusivity, mm2/s 0.15
0.1
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IntroductionMaterial Properties

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