Table 6.
The hardness value of EOR composites containing straw fibers.
| Hardness (°Sh A) | |||||
|---|---|---|---|---|---|
| Vulcanized Composites | |||||
| Content of filler (phr) | 0 | 10 | 20 | 30 | 40 |
| Reference sample (EOR) | 64.32 | ||||
| Particle size < 0.25 mm | 70.02 | 74.62 | 78.83 | 80.22 | |
| Particle size 0.25–0.50 mm | 67.13 | 67.90 | 68.00 | 79.08 | |
| Particle size 0.50–1.00 mm | 67.12 | 73.30 | 78.57 | 80.67 | |
| Injected Composites | |||||
| Content of filler (phr) | 0 | 10 | 20 | 30 | 40 |
| Reference sample (EOR) | 70.30 | ||||
| Particle size < 0.25 mm | 76.02 | 79.21 | 80.41 | 82.14 | |
| Particle size 0.25–0.50 mm | 72.32 | 75.55 | 79.03 | 80.85 | |
| Particle size 0.50–1.00 mm | 73.52 | 75.05 | 80.25 | 82.11 | |