| Filler | Modulus at 100%/MPa | Modulus at 300%/MPa | Tensile strength/MPa | Elongation at break/% | Tear strength /N/mm | Tension set/% | Hardness /shore A |
| Silica | 4.5 | 10.9 | 20.6 | 496 | 42.9 | 105 | 80 |
| Mesoporous silica/silica | 4.6 | 12.6 | 18.6 | 434 | 43.1 | 75 | 78 |
| Glass beads/silica | 4.0 | 12.7 | 16.7 | 408 | 40.5 | 60 | 78 |