| Designation | Sample Code | Stacking sequence | Ply number ratio (flax/glass) |
| Neat flax | NF | | 12/0 |
| Neat glass | NG | | 0/12 |
| Hybrid 1 | H1 | | 6/6 |
| Hybrid 2 | H2 | | 6/6 |
| Hybrid 3 | H3 | | 6/6 |
| Hybrid 4 | H4 | | 6/6 |