FKM Rubber vs. CSM Rubber
Both FKM rubber and CSM rubber are thermoset elastomers (rubber).
For each property being compared, the top bar is FKM rubber and the bottom bar is CSM rubber.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 1.8 | |
| 1.2 |
| Elongation at Break, % | 300 | |
| 400 |
| Glass Transition Temperature, °C | -20 | |
| 0 |
| Limiting Oxygen Index (LOI), % | 51 | |
| 25 |
| Maximum Temperature: Mechanical, °C | 220 | |
| 120 |
| Strength to Weight: Axial, points | 1.1 | |
| 2.1 |
| Strength to Weight: Bending, points | 4.7 | |
| 8.0 |
| Tensile Strength: Ultimate (UTS), MPa | 7.5 | |
| 9.0 |