Table 4. Tensile Properties of Pristine NR, Pristine XNBR, NR/Sepiolite Nanocomposites, XNBR/Sepiolite Nanocomposites, Pristine XNBR/NR (50/50) Blend, and XNBR/NR (50/50) Blend/Sepiolite Nanocomposites.
| Sl. no. | sample code | breaking stress (MPa) | stress at 100% strain (MPa) | strain at break (%) |
|---|---|---|---|---|
| 1 | NRT | 0.42 ± 0.03 | 0.29 ± 0.02 | 459 ± 3 |
| 2 | XNBRT | 0.30 ± 0.02 | 0.26 ± 0.03 | 853 ± 3 |
| 3 | NRT/8SEPT | 1.55 ± 0.03 | 0.50 ± 0.04 | 690 ± 5 |
| 4 | XNBRT/8SEPT | 0.68 ± 0.03 | 0.46 ± 0.03 | 965 ± 3 |
| 5 | (50NR/50XNBR)T | 0.39 ± 0.04 | 0.28 ± 0.02 | 621 ± 4 |
| 6 | (50NR/50XNBR)T/2SEPT | 1.36 ± 0.03 | 0.43 ± 0.04 | 790 ± 5 |
| 7 | (50NR/50XNBR)T/4SEPT | 1.67 ± 0.03 | 0.48 ± 0.03 | 828 ± 3 |
| 8 | (50NR/50XNBR)T/8SEPT | 2.50 ± 0.02 | 0.53 ± 0.04 | 1139 ± 6 |
| 9 | NRC | 0.38 ± 0.03 | 0.23 ± 0.03 | 474 ± 4 |
| 10 | XNBRC | 0.31 ± 0.03 | 0.29 ± 0.02 | 905 ± 3 |
| 11 | NRC/8SEPM | 0.66 ± 0.03 | 0.27 ± 0.03 | 513 ± 4 |
| 12 | XNBRC/8SEPM | 0.97 ± 0.02 | 0.94 ± 0.03 | 1150 ± 4 |
| 13 | (50NR/50XNBR)C | 0.37 ± 0.03 | 0.26 ± 0.02 | 542 ± 4 |
| 14 | (50NR/50XNBR)C/8SEPM | 1.98 ± 0.03 | 0.40 ± 0.02 | 980 ± 3 |