Residual Carbon Amount [mg/m2] | 0 | 0.5 | 1.0 | 2.1 | 5.3 | 6.1 | 6.6 | 13.0 | 23.0 |
Diameter φ [mm] | 15.2 | 15.2 | 15.9 | 15.9 | 15.9 | 15.9 | 15.9 | 15.9 | 15.9 |
Thickness t [mm] | 0.4 | 0.4 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 |
Test I | • | • | - | • | • | • | • | • | • |
Test II | - | - | • | - | - | - | • | • | - |
Test III | • | - | - | - | - | - | - | - | • |