Table 2.
Summary of the mechanical properties of the rPP-SHF composites, elastic modulus (Et), tensile strength (σmax), elongation at break (εb), Shore D hardness, and impact strength.
| Code | Et (MPa) | σmax (MPa) | εb (%) | Shore D Hardness | Impact Strength (kJ m−2) |
|---|---|---|---|---|---|
| rPP | 933 ± 45 | 21.2 ± 0.8 | 100.0 ± 11.0 | 70.3 ± 0.6 | 2.2 ± 0.1 |
| rPP-H10-C | 1617 ± 19 | 24.2 ± 0.7 | 6.7 ± 0.6 | 70.7 ± 0.5 | 2.0 ± 0.2 |
| rPP-H20-C | 2172 ± 62 | 26.6 ± 0.3 | 5.3 ± 0.6 | 72.7 ± 0.6 | 2.4 ± 0.2 |
| rPP-H30-C | 2977 ± 53 | 28.9 ± 0.5 | 5.1 ± 0.5 | 76.0 ± 1.0 | 3.2 ± 0.2 |
| rPP-H30 | 2339 ± 90 | 22.4 ± 0.8 | 4.9 ± 0.7 | 72.8 ± 0.8 | 2.7 ± 0.3 |
| rPP-H30-M | 1884 ± 47 | 17.7 ± 0.2 | 8.1 ± 0.4 | 69.3 ± 0.6 | 3.7 ± 0.3 |