| No. | Tensile bonding strength (MPa) |
| 1 | 4.65 |
| 2 | 4.43 |
| 3 | 3.97 |
| 4 | 4.31 |
| 5 | 3.81 |
| 6 | 3.78 |
| 7 | 5.15 |
| 8 | 4.73 |
| 9 | 4.35 |
| 10 | 5.17 |
| average | 4.43 |