| Test sample type | Impregnation | Heat treatment (°C) | Repetition | |
|---|---|---|---|---|
| Stage I | Stage II | |||
| A | WP | WCA | 80 | 5 |
| B | WP | WCA | 160 | 5 |
| C | WP | CA | 80 | 5 |
| D | WP | CA | 160 | 5 |
| E | BA | WCA | 80 | 5 |
| F | BA | WCA | 160 | 5 |
| G | BA | CA | 80 | 5 |
| I | BA | CA | 160 | 5 |
| J | B | WCA | 80 | 5 |
| K | B | WCA | 160 | 5 |
| L | B | CA | 80 | 5 |
| M | B | CA | 160 | 5 |
| N | BA + B | WCA | 80 | 5 |
| O | BA + B | WCA | 160 | 5 |
| P | BA + B | CA | 80 | 5 |
| Q | BA + B | CA | 160 | 5 |