Measured Data

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 1623.0 117.0
20.0 1694.0 105.0
30.0 1809.0 120.0
40.0 1860.0 119.0

Dried

Temperature (C) Specific Heat Mean (J/kg-K) Standard Deviation (J/kg-K)
10.0 1307.0 105.0
20.0 1354.0 103.0
30.0 1403.0 109.0
40.0 1467.0 109.0

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 0.084 0.002
45.0 0.089 0.002

Dried

Temperature (C) Conductivity Mean (W/m-K) Standard Deviation (W/m-K)
15.0 0.075 0.002
45.0 0.080 0.002

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.

Simultaneous Thermal Analyzer

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

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 0.794 0.004
800.0 0.755 0.005
1000.0 0.710 0.008
1200.0 0.664 0.011
1400.0 0.621 0.014
1600.0 0.584 0.018
1800.0 0.554 0.021
2000.0 0.529 0.024

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) 13.5 13.36 11.8 12.89 0.77

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.

3 °C/min 10 °C/min 30 °C/min
Mean Onset Temperature (°C) 212 212 232
Std. Dev. Onset Temperature (°C) NaN 12 1
Mean Normalized MLR at Onset (1/s) 4.46e-04 4.40e-04 4.20e-04
Std. Dev. Normalized MLR at Onset (1/s) NaN 0.03e-04 0.05e-04
Mean Mass Fraction at Onset 0.97 0.98 0.97
Std. Dev. Mass Fraction at Onset NaN 0.00 0.00
Mean Temperature at end of Decomposition (°C) 443 469 488
Std. Dev. Temperature at end of Decomposition (°C) NaN 1 1