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IR Rubber vs. PPSU

IR rubber belongs to the thermoset elastomers (rubber) classification, while PPSU belongs to the thermoplastics. There are 12 material properties with values for both materials. Properties with values for just one material (20, in this case) are not shown.

For each property being compared, the top bar is IR rubber and the bottom bar is PPSU.

Metric UnitsUS Customary Units

Mechanical Properties

Elongation at Break, % 600
26
Tensile Strength: Ultimate (UTS), MPa 19
95

Thermal Properties

Glass Transition Temperature, °C -70
220
Maximum Temperature: Autoignition, °C 300
580
Maximum Temperature: Decomposition, °C 300
560
Specific Heat Capacity, J/kg-K 1550
970
Thermal Conductivity, W/m-K 0.14
0.24

Otherwise Unclassified Properties

Density, g/cm3 1.0
1.4
Limiting Oxygen Index (LOI), % 19
38

Common Calculations

Strength to Weight: Axial, points 5.6
19
Strength to Weight: Bending, points 17
33
Thermal Diffusivity, mm2/s 0.1
0.17