| Sample code | Surface treatment status | Ply angle (degrees) | Max force (N) |
| BSF | Untreated | 0˚ | 20.8 |
| 45˚ | 6.20 | ||
| 90˚ | 7.8 | ||
| BSFT | Treated | 0˚ | 42.3 |
| 45˚ | 0.6 | ||
| 90˚ | 2.0 | ||
| NR | Unreinforced | Isotropic | 24.0 |