Measured Data
Thermal Conductivity
Experiments for thermal conductivity [W/(m K)] were conducted using a heat flow meter on unconditioned and dried samples at 15 °C and either 45 °C or 65 °C.
Unconditioned
Temperature (C) | Conductivity Mean (W/m-K) | Standard Deviation (W/m-K) |
---|---|---|
15.0 | 0.054 | 0.001 |
45.0 | 0.060 | 0.000 |
Dried
Temperature (C) | Conductivity Mean (W/m-K) | Standard Deviation (W/m-K) |
---|---|---|
15.0 | 0.056 | 0.0 |
45.0 | 0.061 | 0.0 |
Specific Heat
Experiments for specific heat [J/(kg K)], or heat capacity, were conducted using a heat flow meter on unconditioned and dried samples at 10 °C, 20 °C, 30 °C and 40 °C.
Unconditioned
Temperature (C) | Specific Heat Mean (J/kg-K) | Standard Deviation (J/kg-K) |
---|---|---|
10.0 | 1210.0 | 4.0 |
20.0 | 1276.0 | 14.0 |
30.0 | 1321.0 | 7.0 |
40.0 | 1349.0 | 5.0 |
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
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
Cone Calorimeter: 50 kW/m2
Cone Calorimeter: 75 kW/m2
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 | 0.039 | 0.002 |
50 | 0.041 | 0.003 |
75 | 0.042 | 0.0 |
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.
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 | 0.089 | 0.008 |
50 | 0.075 | 0.01 |
75 | 0.083 | 0.004 |
Effective Heat of Combustion (Δhc)
Effective heat of combustion [MJ/kg] is calculated from data collected in both micro-scale combustion calorimeter experiments and cone calorimeter experiments.
Micro-scale Combustion Calorimeter
Value | R1 | R2 | R3 | Mean | Std. Dev. |
---|---|---|---|---|---|
Heat of Combustion (MJ/kg) | 25.22 | 25.0 | 24.96 | 25.06 | 0.11 |
Cone Calorimeter
Incident Heat Flux [kW/m²] | Mean Effective Heat of Combustion [MJ/kg] | Effective Heat of Combustion Std. Dev. [MJ/kg] |
---|---|---|
25 | 41.7 | 1.9 |
50 | 40.6 | 2.0 |
75 | 37.1 | 3.7 |
Melting Temperature and Enthalpy of Melting
Melting temperature [Tmelt] and the enthalpy of melting [kJ/kg] were derived quantities computed from data collected in simultaneous thermal analyzer experiments.
Value | Mean | Std. Dev. |
---|---|---|
Peak Melting Temperature (C) | 164.8 | 0.5 |
Temperature at Onset of Melting (C) | 136.0 | 1.0 |
Enthalpy of Melting (J/g) | 30.4 | 1.2 |
Band Averaged Emissivity
Band averaged emissivity was calculated from reflectance measurements conducted with an integrating sphere and Fourier transform infrared spectrometer.
Source Temperature [K] | Emissivity | Std. Dev. |
---|---|---|
600.0 | 0.923 | 0.002 |
800.0 | 0.924 | 0.002 |
1000.0 | 0.924 | 0.002 |
1200.0 | 0.923 | 0.002 |
1400.0 | 0.921 | 0.003 |
1600.0 | 0.920 | 0.003 |
1800.0 | 0.918 | 0.004 |
2000.0 | 0.917 | 0.004 |