Level | Temp. (˚C) | Stress Crack Categories | SCI | |||
Undamaged (%) | Single (%) | Double (%) | Multiple (%) | |||
Level 1 | 44.4 ± 4.6 | 90 | 5 | 4 | 1 | 22 |
Level 2 | 45.4 ± 5.0 | 90 | 4 | 5 | 1 | 24 |
Level 3 | 49.8 ± 5.6 | 68 | 18 | 9 | 5 | 70 |
Level 4 | 52.8 ± 5.4 | 38 | 26 | 23 | 13 | 160 |
Open Sun | 35.99 ± 3.2 | 94 | 2 | 4 | 0 | 14 |