Research Article
Experimental Study and Seismic Response Evaluation of Chlorobutyl Rubber-Based Viscoelastic Dampers
Table 2
Properties of the cured compounds.
| | Property | Method | Reference CIIR | Modified CIIR |
| | Compression set at 25%, 23°C, 72 h (%) | ISO 815-1 | 15 | 26 | | Elongation at break (%) | ISO 37 | 762 ± 91 | 468 ± 28 | | Tensile strength at break (MPa) | 7.0 ± 0.9 | 4.9 ± 0.7 |
| | Properties after ageing: 168 h, 70°C ISO 188 | | Elongation at break (%) | ISO 37 | 720 ± 51 | 397 ± 11 | | Tensile strength at break (MPa) | 8.1 ± 0.7 | 5.3 ± 0.4 | | Change in hardness (shore A) | ISO 48-2 | +3 | +5 | | Mass change (wt %) | ISO 188 | −0.6 | −0.5 |
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