Flammability test and smoke emission behaviors of RPUFs.
| Samples | RPUF-0 | RPUF-1 | RPUF-2 | RPUF-3 | RPUF-4 |
|---|---|---|---|---|---|
| TTI (s) | 2 | 3 | 3 | 3 | 3 |
| PHRR (kW m−2) | 345.2 | 173.7 | 166.5 | 160.2 | 146.4 |
| THR (MJ m−2) | 25.5 | 21.0 | 20.6 | 19.3 | 18.7 |
| PSPRa (m2 s−1) | 0.136 | 0.050 | 0.043 | 0.044 | 0.046 |
| TSP (m2) | 7.5 | 4.6 | 4.9 | 4.3 | 4.6 |
| PRSRb (m2 s−1) | 15.36 | 5.70 | 4.81 | 4.99 | 5.17 |
| TSR (m2 m−2) | 849.8 | 519.7 | 548.8 | 487.0 | 518.6 |
| CO (kg kg−1) | 0.18 | 0.08 | 0.07 | 0.06 | 0.08 |
| CO2 (kg kg−1) | 1.93 | 1.35 | 1.45 | 1.37 | 1.38 |
| CO/CO2 weight ratio | 0.093 | 0.059 | 0.048 | 0.044 | 0.058 |
a
PSPR is the peak smoke production rate.
b
PRSR is the peak smoke release rate.