|
Number | Model | Flame proofness | Flame resistance |
|
1 | General foam | Total heat release rate (MJ/M2) | 1.5 | Remained flaming time (second) | 0 |
Remained burning time (second) | 0 |
Duration (second) of maximum heat release over 200 KW/M2 | Over 10 seconds without persistence | Charring distance (CM) | 7 |
Charring area (CM2) | 28 |
Harmful cracks and cavities on the back throughout the nonfireproof items | Burned to ashes | With dissolved drip | Without dissolved drip |
Class | | Class | Class 1 |
|
2 | FRA (PU foam) | Total heat release rate (MJ/M2) | 13.5 | Remained flaming time (second) | 0 |
Remained burning time (second) | 0 |
Duration (second) of maximum heat release over 200 KW/M2 | 27 | Charring distance (CM) | 29 |
Charring area (CM2) | 325 |
Harmful cracks and cavities on the back throughout the nonfireproof items | Burned to ashes | With dissolved drip | Without dissolved drip |
Class | Outside the class | Class | Outside the class |
|
3 | FRB (melamine white) | Total heat release rate (MJ/M2) | 15.7 | Remained flaming time (second) | 0 |
Remained burning time (second) | 0 |
Duration (second) of maximum heat release over 200 KW/M2 | Over 10 seconds without persistence | Charring distance (CM) | 6 |
Charring area (CM2) | 27 |
Harmful cracks and cavities on the back throughout the nonfireproof items | Burned to ashes | With dissolved drip | Without dissolved drip |
Class | Outside the class | Class | Class 1 |
|
4 | FRC (CR 25 degrees rubbers) | Total heat release rate (MJ/M2) | 12.6 | Remained flaming time (second) | 0 |
Remained burning time (second) | 0 |
Duration (second) of maximum heat release over 200 KW/M2 | 29 | Charring distance (CM) | 11 |
Charring area (CM2) | 44 |
Harmful cracks and cavities on the back throughout the nonfireproof items | Burned to ashes | With dissolved drip | Without dissolved drip |
Class | Outside the class | Class | Class 2 |
|