FFKM Perfluoroelastomer (Kalrez 4079) vs Hypalon (CSM Chlorosulfonated Polyethylene)
Property comparison of FFKM Perfluoroelastomer (Kalrez 4079) and Hypalon (CSM Chlorosulfonated Polyethylene), both rubber elastomer.
| Property | FFKM Perfluoroelastomer (Kalrez 4079) | Hypalon (CSM Chlorosulfonated Polyethylene) | Difference |
|---|---|---|---|
| Tensile strength | 17 MPa | 9 MPa | -47% |
| Elongation | 150 % | 400 % | +167% |
| Poisson ratio | 0.48 | 0.5 | +4% |
| Density | 2,020 kg/m³ | 1,200 kg/m³ | -41% |
| Coefficient of thermal expansion | 0.00036 1/K | 0.00015 1/K | -58% |
Difference is Hypalon (CSM Chlorosulfonated Polyethylene) relative to FFKM Perfluoroelastomer (Kalrez 4079). Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
- standard
- ASTM
- standard
- ASTM
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