| Fire resistance level Fire resistance period in minutes Excess pressure in the test room Hermetic sealing Temperature range permitted above initial temperature | ||||
| F 30 30 10 ± 2 Pascal assured 140K - 180 K | ||||
| F 60 60 10 ± 2 Pascal assured 140K - 180 K | ||||
| F 90 90 10 ± 2 Pascal assured 140K - 180 K | ||||
| F 120 120 10 ± 2 Pascal assured 140K - 180 K | ||||
| F 180 180 10 ± 2 Pascal assured 140K - 180 K |
