Measured Data
Heat Release Rate Per Unit Area (HRRPUA)
Experiments for heat release per unit area [kW/m2] were conducted on samples conditioned at 20°C and 50% relative humidity using a cone calorimeter at three different heat fluxes: 25 kW/m2, 50 kW/m2, and 75 kW/m2.
Cone Calorimeter: 25 kW/m2
| 25 kW/m² R1 | 25 kW/m² R2 | 25 kW/m² R3 | 25 kW/m² R4 | |
|---|---|---|---|---|
| Time to Sustained Ignition (s) | 103.00 | 103.25 | 102.50 | 86.75 |
| Time to Peak HRRPUA (s) | 112.50 | 83.75 | 76.75 | 65.50 |
| Peak HRRPUA (kW/m²) | 105.95 | 111.41 | 115.49 | 149.56 |
Cone Calorimeter: 50 kW/m2
| 50 kW/m² R1 | 50 kW/m² R2 | 50 kW/m² R3 | 50 kW/m² R4 | |
|---|---|---|---|---|
| Time to Sustained Ignition (s) | 39.50 | 36.25 | 37.00 | 28.75 |
| Time to Peak HRRPUA (s) | 56.50 | 52.00 | 48.50 | 54.75 |
| Peak HRRPUA (kW/m²) | 209.02 | 214.93 | 181.44 | 212.25 |
Cone Calorimeter: 75 kW/m2
| 75 kW/m² R1 | 75 kW/m² R2 | 75 kW/m² R3 | 75 kW/m² R4 | |
|---|---|---|---|---|
| Time to Sustained Ignition (s) | 19.00 | 19.00 | 18.75 | 14.25 |
| Time to Peak HRRPUA (s) | 47.75 | 46.50 | 51.00 | 58.75 |
| Peak HRRPUA (kW/m²) | 254.46 | 280.99 | 237.33 | 234.86 |
Carbon Monoxide (CO) Yield
Carbon monoxide yield was measured during cone calorimeter experiments conducted at heat fluxes of 25 kW/m2, 50 kW/m2, and 75 kW/m2.
| Incident Heat Flux [kW/m²] | Mean CO Yield [g/g] | CO Yield Std. Dev. [g/g] |
|---|---|---|
| 25 | 0.032 | 0.007 |
| 50 | 0.038 | 0.008 |
| 75 | 0.04 | 0.006 |
Specific Heat Release Rate
Experiments for specific heat release rate [W/g], were conducted using a micro-scale combustion calorimeter at a heating rate of 30 K/min.
Mass Loss Rate (MLR)
Initial-mass-normalized mass loss rate [1/s] was measured in the simultaneous thermal analyzer experiments at three heating rates: 3 K/min, 10 K/min, and 30 K/min and mass loss rate [g/s] in the cone calorimeter at three heat fluxes: 25 kW/m2, 50 kW/m2, and 75 kW/m2.
Simultaneous Thermal Analyzer
Cone Calorimeter: 25 kW/m2
Cone Calorimeter: 50 kW/m2
Cone Calorimeter: 75 kW/m2
Derived Data
Soot Yield
Soot yield [g/g] was calculated from smoke obscuration data collected in cone calorimeter experiments conducted at heat fluxes of 25 kW/m2, 50 kW/m2, and 75 kW/m2.
| Incident Heat Flux [kW/m²] | Mean Soot Yield [g/g] | Soot Yield Std. Dev. [g/g] |
|---|---|---|
| 25 | 0.05 | 0.022 |
| 50 | 0.056 | 0.019 |
| 75 | 0.063 | 0.01 |
Effective Heat of Combustion (Δhc)
Effective heat of combustion [MJ/kg] is calculated from data collected in micro-scale combustion calorimeter experiments.
Micro-scale Combustion Calorimeter
| Value | R1 | R2 | R3 | Mean | Std. Dev. |
|---|---|---|---|---|---|
| Heat of Combustion (MJ/kg) | 5.4 | 3.42 | 3.14 | 3.99 | 1.01 |
Temperature at Onset of Decomposition
The temperature at onset of decomposition [Tonset] is a derived quantity computed from data collected in simultaneous thermal analyzer experiments.
| 10 °C/min | 30 °C/min | |
|---|---|---|
| Mean Onset Temperature (°C) | 226 | 241 |
| Std. Dev. Onset Temperature (°C) | 8 | 6 |
| Mean Normalized MLR at Onset (1/s) | 4.70e-04 | 4.00e-04 |
| Std. Dev. Normalized MLR at Onset (1/s) | 1.41e-04 | 0.34e-04 |
| Mean Mass Fraction at Onset | 0.99 | 0.99 |
| Std. Dev. Mass Fraction at Onset | 0.00 | 0.00 |
| Mean Temperature at end of Decomposition (°C) | 723 | 748 |
| Std. Dev. Temperature at end of Decomposition (°C) | 4 | 6 |