Table 7. Effect of Zinc Oxide on the Tensile Properties of Loprol Films made from Compounded Loprol Matured for 3 Days
| Vulcanisation time (100°C) |
ZnO | |||||
| 0.5 p.h.r | 0.7 p.h.r | |||||
| TS (MPa) |
EB (%) |
M300% (MPa) |
TS (MPa) |
EB (%) |
M300% (MPa) |
|
| 0 | 25.5 | 940 | 1.0 | 24.6 | 920 | 1.0 |
| 15 | 25.4 | 930 | 0.97 | 26.4 | 990 | 0.99 |
| 30 | 24.5 | 950 | 1.0 | 24.4 | 950 | 0.95 |
| 45 | 29.5 | 1000 | 1.0 | 28.7 | 1000 | 0.90 |
| 60 | 27.4 | 990 | 1.0 | 26.8 | 990 | 0.90 |
| 90 | 27.5 | 1000 | 0.99 | 26.2 | 980 | 0.90 |