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PPSU vs. IR Rubber

PPSU belongs to the thermoplastics classification, while IR rubber belongs to the thermoset elastomers (rubber). 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 PPSU and the bottom bar is IR rubber.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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