PP Homopolymer vs. IR Rubber
PP homopolymer belongs to the thermoplastics classification, while IR rubber belongs to the thermoset elastomers (rubber). There are 7 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 PP homopolymer and the bottom bar is IR rubber.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 0.91 to 1.2 | |
| 1.0 |
| Elongation at Break, % | 3.0 to 80 | |
| 600 |
| Glass Transition Temperature, °C | 170 | |
| -70 |
| Specific Heat Capacity, J/kg-K | 1230 to 1900 | |
| 1550 |
| Strength to Weight: Axial, points | 11 to 21 | |
| 5.6 |
| Strength to Weight: Bending, points | 27 to 37 | |
| 17 |
| Tensile Strength: Ultimate (UTS), MPa | 36 to 93 | |
| 19 |