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Formulation of the Ethylene–propylene–diene terpolymer (EPDM)/butyl(halobutyl) rubber/nanosilica composites.
| Ingredients (phr *) | Sample Code | |||
|---|---|---|---|---|
| E-S | E-B-S | E-Cl-B-S | E-Br-B-S | |
| EPDM (E) | 100 | 95 | 95 | 95 |
| TMPT | 3 | 3 | 3 | 3 |
| Irganox | 0.5 | 0.5 | 0.5 | 0.5 |
| Nanosilica | 2 | 2 | 2 | 2 |
| Butyl rubber (B) | - | 5 | - | - |
| Cl-butyl rubber (Cl-B) | - | - | 5 | - |
| Br-butyl rubber (Br-B) | - | - | - | 5 |
| Total | 105.5 | 105.5 | 105.5 | 105.5 |
* Parts per hundred rubber.
