Table 4.
The average values of the LDPE plate microhardness (HIT—indentation hardness; HV—Vickers microhardness; and hm—maximum impression depth). Standard deviations are provided in parentheses.
| Samples | HIT | HV | hm |
|---|---|---|---|
| (MPa) | (-) | (µm) | |
| LDPE | 20.9 (1.6) | 2.0 (0.2) | 37.4 (1.8) |
| LDPE_1% ZnO/V | 27.1 (0.5) | 2.6 (0.1) | 31.8 (0.2) |
| LDPE_3% ZnO/V | 26.6 (0.7) | 2.5 (0.1) | 32.0 (0.3) |
| LDPE_5% ZnO/V | 25.3 (1.3) | 2.4 (0.1) | 32.9 (0.7) |
| LDPE_1% ZnO/V_CH | 27.2 (0.6) | 2.6 (0.1) | 31.7 (0.3) |
| LDPE_3% ZnO/V_CH | 16.7 (1.4) | 1.6 (0.1) | 41.9 (1.7) |
| LDPE_5% ZnO/V_CH | 23.0 (1.3) | 2.2 (0.1) | 34.8 (0.9) |