Table 1. Mechanical properties and rheological behaviour: hardness shore A (HA); tensile strength (TS) [MPa]; elongation (EL) [% ]; specific gravity (SG) [g/cm 3]; initial peak (Init) [dNm]; moment lowest (ML) [dNm]; moment highest (MH) [dNm]; time to reach 90% MH (t90) [min.].
Rubber | HA | TS | EL | SG | Init | ML | MH | t90 |
---|---|---|---|---|---|---|---|---|
NBR70 | 67 | 20.0 | 524 | 1.22 | 19.83 | 11.13 | 38.39 | 5.15 |
NBR80 | 75 | 14.5 | 260 | 1.28 | 22.57 | 10.82 | 39.32 | 5.37 |
NBR90 | 80 | 17.8 | 301 | 1.26 | 18.62 | 7.63 | 38.18 | 3.59 |
EPDM70 | 68 | 15.0 | 258 | 1.13 | 14.29 | 5.48 | 43.90 | 7.28 |
EPDM80 | 77 | 15.8 | 261 | 1.12 | 20.49 | 11.34 | 52.33 | 7.38 |
EPDM90 | 90 | 23.0 | 206 | 1.20 | 22.09 | 9.26 | 55.97 | 5.59 |
FKM70 | 76 | 12.0 | 230 | 1.90 | 14.98 | 4.68 | 32.77 | 3.72 |
FKM80 | 80 | 7.4 | 203 | 1.88 | 14.77 | 4.27 | 28.16 | 3.58 |
FKM90 | 88 | 14.0 | 117 | 1.91 | 25.59 | 8.25 | 70.43 | 3.91 |