| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | Mean ± SD | % RSD | |
| Hardness in NEWTON | 142 | 164 | 160 | 144 | 163 | 144 | 151 | 155 | 161 | 165 | 155 ± 0.09 | 5.821 |
| 163 | 123 | 145 | 163 | 158 | 178 | 139 | 164 | 167 | 152 | 155 ± 0.15 | 10.267 | |
| 140 | 154 | 168 | 160 | 139 | 160 | 141 | 154 | 164 | 168 | 155 ± 0.11 | 7.285 | |
|
| 155 ± 0.12 | 7.791 | ||||||||||
| Diameter | 17.11 | 17.17 | 17.07 | 17.23 | 17.1 | 17.07 | 17.1 | 17.07 | 17.12 | 17.09 | 17.1 ± 0.05 | 0.298 |
| 17.09 | 17.05 | 17.08 | 17.07 | 17.11 | 17.06 | 17.08 | 17.06 | 17.03 | 17.09 | 17.0 ± 0.02 | 0.134 | |
| 17.18 | 17.07 | 17.07 | 17.08 | 17.04 | 17.07 | 17.06 | 17.08 | 17.07 | 17.06 | 17.0 ± 0.04 | 0.220 | |
|
| 17.1 ± 0.04 | 0.217 | ||||||||||