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 1336.0 75.0
20.0 1383.0 67.0
30.0 1453.0 75.0
40.0 1524.0 83.0

Dried

Temperature (C) Specific Heat Mean (J/kg-K) Standard Deviation (J/kg-K)
10.0 1144.0 60.0
20.0 1191.0 69.0
30.0 1226.0 75.0
40.0 1281.0 67.0

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 0.113 0.006
45.0 0.120 0.006

Dried

Temperature (C) Conductivity Mean (W/m-K) Standard Deviation (W/m-K)
15.0 0.095 0.005
45.0 0.102 0.005

Mass Loss Rate (MLR)

Simultaneous thermal analyzer experiments were conducted at three heating rates: 3 K/min, 10 K/min, and 30 K/min.

Cone calorimeter tests were conducted at a heat flux of 35 kW/m2 on samples conditioned at 20°C and 50% relative humidity.

Simultaneous Thermal Analyzer

Cone Calorimeter: 35 kW/m2

Heat Release Rate Per Unit Area (HRRPUA)

Cone calorimeter tests were conducted at a heat flux of 35 kW/m2 on samples conditioned at 20°C and 50% relative humidity.

Cone Calorimeter: 35 kW/m2

35 kW/m² R1 35 kW/m² R2 35 kW/m² R3
Time to Sustained Ignition (s) 68.75 80.00 75.50
Time to Peak HRRPUA (s) 591.50 558.75 584.00
Peak HRRPUA (kW/m²) 161.14 173.75 155.85

Carbon Monoxide (CO) Yield

Cone calorimeter tests were conducted at a heat flux of 35 kW/m2 on samples conditioned at 20°C and 50% relative humidity.

Incident Heat Flux [kW/m²] Mean CO Yield [g/g] CO Yield Std. Dev. [g/g]
35 0.029 0.013

Specific Heat Release Rate

Micro-scale combustion calorimeter tests were conducted at a heating rate of 30 K/min.

Derived Data

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) 11.01 10.84 11.5 11.12 0.28

Temperature at Onset of Decomposition

Simultaneous thermal analyzer experiments were conducted at three heating rates: 3 K/min, 10 K/min, and 30 K/min.

3 °C/min 10 °C/min 30 °C/min
Mean Onset Temperature (°C) 184 207 222
Std. Dev. Onset Temperature (°C) NaN 4 2
Mean Normalized MLR at Onset (1/s) 4.09e-04 4.17e-04 3.98e-04
Std. Dev. Normalized MLR at Onset (1/s) NaN 0.22e-04 0.06e-04
Mean Mass Fraction at Onset 0.98 0.98 0.98
Std. Dev. Mass Fraction at Onset NaN 0.00 0.00
Mean Temperature at end of Decomposition (°C) 439 469 485
Std. Dev. Temperature at end of Decomposition (°C) NaN 5 2